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Letteratura scientifica selezionata sul tema "SEO"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 31 luglio 2024

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Articoli di riviste sul tema "SEO"

Smyth, Davida S., Patrick J. Hartigan, William J. Meaney, J. Ross Fitzgerald, Claudia F. Deobald, Gregory A. Bohach e Cyril J. Smyth. "Superantigen genes encoded by the egc cluster and SaPIbov are predominant among Staphylococcus aureus isolates from cows, goats, sheep, rabbits and poultry". Journal of Medical Microbiology 54, n. 4 (1 aprile 2005): 401–11. http://dx.doi.org/10.1099/jmm.0.45863-0.

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In recent years several new staphylococcal enterotoxins (SEs) have been described, which currently have largely unknown frequencies of occurrence and roles in human or animal disease. One hundred and ninety-one Staphylococcus aureus isolates from cows (99), goats (39), sheep (23), rabbits (15), chickens (15) and a cat (1) were screened for SE genes sea–see, seg–seo and seq and for the tst gene encoding staphylococcal toxic shock syndrome toxin-1 using multiplex PCRs and individual PCRs for the seb and sek genes. One hundred and ten isolates tested positive for at least one of these 16 superantigen (SAg)-encoding genes. There were statistically significant differences in the frequencies of some of these SAg genes between isolates from different animals. No strain possessed either the sea or see gene. The sec gene was present in 51 isolates, the sed gene in eight and the seb gene in one. The seh gene was found in four strains and the sek and seq genes together in one isolate. The most common combinations of genes were the egc cluster, bearing the seg, sei, sem, sen and seo genes, in 47 isolates, the sec, sel and tst gene combination typical of the SaPIbov pathogenicity island in 44 isolates, the egc cluster lacking the seg gene in 11 isolates, the sed and sej genes in nine isolates, and the sec and tst genes without the sel gene in seven isolates. The higher frequencies of the sec and tst genes together and the lower frequencies of the egc gene cluster among the SAg gene-positive sheep or goat isolates compared to bovine isolates were statistically significant. Of 36 bovine isolates that were mitogenic for human T lymphocytes, four were negative for the 16 SAg genes tested for, while a further 14 gave borderline results in the mitogenicity assay, 12 of which were SAg gene-negative. Twenty-nine strains lacking all the SAg genes did not induce T-cell proliferation. This survey indicates that novel SE genes seg, sei, sel, sem, sen and seo along with the sec and tst genes predominate in S. aureus from animal hosts. The mitogenicity assays indicate that further uncharacterized SAgs may be present in bovine isolates.

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Hu, Dong-Liang, Katsuhiko Omoe, Yu Shimoda, Akio Nakane e Kunihiro Shinagawa. "Induction of Emetic Response to Staphylococcal Enterotoxins in the House Musk Shrew (Suncus murinus)". Infection and Immunity 71, n. 1 (gennaio 2003): 567–70. http://dx.doi.org/10.1128/iai.71.1.567-570.2003.

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ABSTRACT The emetic responses induced by staphylococcal enterotoxin A (SEA), SEB, SEC2, SED, SEE, SEG, SEH, and SEI in the house musk shrew (Suncus murinus) were investigated. SEA, SEE, and SEI showed higher emetic activity in the house musk shrew than the other SEs. SEB, SEC2, SED, SEG, and SEH also induced emetic responses in this animal model but relatively high doses were required. The house musk shrew appears to be a valuable model for studying the mechanisms of emetic reactions caused by SEs.

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Hait, Jennifer M., Angela T. Nguyen e Sandra M. Tallent. "Analysis of the VIDAS® Staph Enterotoxin III (SET3) for Detection of Staphylococcal Enterotoxins G, H, and I in Foods". Journal of AOAC INTERNATIONAL 101, n. 5 (1 settembre 2018): 1482–89. http://dx.doi.org/10.5740/jaoacint.17-0501.

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Abstract Background: Staphylococcal food poisoning (SFP) frequently causes illnesses worldwide. SFP occurs from the ingestion of staphylococcal enterotoxins (SEs) preformed in foods by enterotoxigenic strains of Staphylococcus species, primarily S. aureus. SEG, SEH, and SEI induce emesis and have been implicated in outbreaks. Immunological-based methods are deemed the most practical methods for the routine analysis of SEs in foods given their ease of use, sensitivity, specificity, and commercial availability. These kits are routinely used to test for SEA-SEE. However, only recently has a kit been developed to detect SEG, SEH, and SEI. Objective: Our research examined the performance of the novel VIDAS® Staph Enterotoxin III (SET3) for the detection of staphylococcal enterotoxins SEG, SEH, and SEI in foods. Methods: Here we assess the sensitivity and specificity of SET3 using duplicate test portions of six foods at varying concentrations of inclusivity and exclusivity inocula: pure SEG, SEH, SEI, S. aureus strain extracts positive for seg, seh, and sei, as well as SEA, SEB, SEC, SED, and SEE. Results: The overall detection limit was less than 2.09 ng/mL for foods inoculated with SEG, SEH, and SEI, with no cross reactivity observed. Highlights: Integrating concurrent testing to detect the presence of SEA–SEE and SEG–SEI utilizing the SET3 along with the VIDAS SET2, Ridascreen® SET total, or other comparable kits will be instrumental for the future food assessments in our laboratory and may become the new standard for SE analysis of foods.

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Ferreira, Daneelly H., Maria das Graças X. Carvalho, Maria J. Nardelli, Francisca G. C. Sousa e Celso J. B. Oliveira. "Occurrence of enterotoxin-encoding genes in Staphylococcus aureus causing mastitis in lactating goats". Pesquisa Veterinária Brasileira 34, n. 7 (luglio 2014): 633–36. http://dx.doi.org/10.1590/s0100-736x2014000700004.

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Staphylococcal enterotoxins are the leading cause of human food poisoning worldwide. Staphylococcus spp. are the main mastitis-causing agents in goats and frequently found in high counts in goat milk. This study aimed to investigate the occurrence of enterotoxin-encoding genes in Staphylococcus aureus associated with mastitis in lactating goats in Paraiba State, Brazil. Milk samples (n=2024) were collected from 393 farms. Staphylococcus aureus was isolated in 55 milk samples. Classical (sea, seb, sec, sed, see) and novel (seg, seh, sei) enterotoxin-encoding genes were investigated by means of polymerase chain reaction (PCR). From thirty-six tested isolates, enterotoxin-encoding genes were detected in 7 (19.5%) S. aureus. The gene encoding enterotoxin C (seC) was identified in six isolates, while seiwas observed in only one isolate. The genes sea, seb, sed, see, seg and seh were not observed amongst the S. aureus investigated in this study. In summary, S. aureus causing mastitis in goats can harbor enterotoxin-encoding genes and seC was the most frequent gene observed amongst the investigated isolates. This finding is important for surveillance purposes, since enterotoxin C should be investigated in human staphylococcal food poisoning outbreaks caused by consumption of goat milk and dairy products.

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Cebeci, Tugba, Barış Otlu e Elif Seren Tanrıverdi. "Staphylococcus aureus in animal-derived food products: the prevalence, virulence, enterotoxin-encoding genes, antibiotic resistance and PFGE profiles in northern Turkey". Veterinarski arhiv 94, n. 2 (21 marzo 2024): 141–54. http://dx.doi.org/10.24099/vet.arhiv.2174.

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The aim of this research was to investigate the prevalence of Staphylococcus aureus (S. aureus) in raw milk, Tulum cheese, and ground beef samples, and to determine their virulence, enterotoxins, antibiotic resistance, and genetic relatedness. A total of 300 food samples were purchased from public markets within different districts of Giresun, Turkey. Fifty-two (17.3%) of these food samples tested positive for S. aureus isolation. Fifty-two S. aureus isolates were further analyzed for the presence of virulence genes. The virulence genes detected were icaA (9.6%) and icaD (84.6%). Enterotoxin-encoding genes of the sea, seb, sec, sed, see, seg, seh, sei, sej, sek, sel, sem, sen, seo, seq, ser, and seu groups were detected individually or in combination. Of the 52 S. aureus isolates, 1 methicillin-resistant S. aureus strain (1.9%) was isolated as having the mecA. The antibiotic susceptibility test of positive isolates showed resistance to cefoxitin (1.92%), tetracycline (11.5%), erythromycin (3.84%), ciprofloxacin (1.92%), gentamicin (1.92%), and fusidic acid (5.76%). Pulsed-field gel electrophoresis (PFGE) of the 52 isolates revealed 46 PFGE types, with 21 (40.3%) isolates grouped into 7 clusters. Some of the isolates from different districts showed clonal relatedness. The high occurrence of S. aureus strains in these products indicated a potential risk to humans. The results of this study indicated that dairy and meat products could be reservoirs of S. aureus strains that harbor several virulence factors and enterotoxin genes and the presence of these bacteria in foods may be a cause of concern for human health from food poisoning; therefore, hygienic measures and periodic bacteriological controls are necessary in all areas that provide these foods to the public, such as bazaars and butchers, to reduce contamination with foodborne pathogens.

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Mekhloufi, Omar Amine, Daniele Chieffi, Abdelhamid Hammoudi, Sid Ahmed Bensefia, Francesca Fanelli e Vincenzina Fusco. "Prevalence, Enterotoxigenic Potential and Antimicrobial Resistance of Staphylococcus aureus and Methicillin-Resistant Staphylococcus aureus (MRSA) Isolated from Algerian Ready to Eat Foods". Toxins 13, n. 12 (24 novembre 2021): 835. http://dx.doi.org/10.3390/toxins13120835.

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Staphylococcus aureus causes a foodborne intoxication due to the production of enterotoxins and shows antimicrobial resistance, as in the case of methicillin-resistant strains (MRSA). Herein, we analyzed 207 ready-to-eat foods collected in Algeria, reporting a S. aureus prevalence of 23.2% (48/207) and respective loads of coagulase positive staphylococci (CPS) ranging from 1.00 ± 0.5 to 5.11 ± 0.24 Log CFU/g. The 48 S. aureus isolates were widely characterized by staphylococcal enterotoxin gene (SEg)-typing and 16S-23S rDNA intergenic spacer region (ISR)-PCR, as well as by detecting tst and mecA genes, genetic determinants of toxic shock syndrome toxin-1 and methicillin resistance, respectively. We found that the S. aureus isolates belonged to seven different SEg-types harboring the following combinations of genes: (1) selW, selX; (2) egc (seG, seI, seM, seN, seO), selW, selX; (3) seA, seH, seK, seQ, selW, selX; (4) seB, selW, selX; (5) seD, selJ, seR, selW, selX; (6) seH, selW, selX, selY; and (7) seA, egc, selW, selX, while among these, 2.1% and 4.2% were tst- and mecA- (staphylococcal chromosomal cassette mec-type IV) positive, respectively. Selected strains belonging to the 12 detected ISR-types were resistant towards antimicrobials including benzylpenicillin, ofloxacin, erythromycin, lincomycin, tetracyclin, kanamycin, oxacillin, and cefoxitin; 8.3% (1/12) were confirmed as MRSA and 16.7% (2/12) were multidrug resistant. The present study shows the heterogeneity of the S. aureus population in Algerian ready-to-eat foods as for their toxigenic potential and antimicrobial resistance, shedding the light on the quality and safety related to the consume of ready-to-eat foods in Algeria.

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Wu, Dejing, Xiangmei Li, Yonghong Yang, Yaojie Zheng, Chuanqing Wang, Li Deng, Lan Liu et al. "Superantigen gene profiles and presence of exfoliative toxin genes in community-acquired meticillin-resistant Staphylococcus aureus isolated from Chinese children". Journal of Medical Microbiology 60, n. 1 (1 gennaio 2011): 35–45. http://dx.doi.org/10.1099/jmm.0.023465-0.

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This study aimed to evaluate the distribution of superantigen gene profiles and the presence of exfoliative toxin genes in community-acquired meticillin-resistant Staphylococcus aureus (CA-MRSA) isolated from Chinese children, and simultaneously to assess virulence gene profiles and genetic background. Of the CA-MRSA isolates, 88.9 % (88/99) harboured toxin genes, with sek as the most frequent toxin gene (62.6 %), followed by seq (61.6 %), seb (60.6 %) and sea (35.4 %). The eta gene was detected only in one ST398-IVa-spa t034 strain. The sed and etd genes were not found in any of the isolates tested. A total of 38 virulence genotypes were observed, of which the genotype seb-sek-seq (27.3 %, 24/88) comprised the majority, followed by sea-seb-sek-seq (18.2 %, 16/88). The enterotoxin gene cluster including seg-sei-sem-sen-seo-seu predominated at a rate of 15.1 %. The relationship among toxin genotypes, toxin genes encoding profiles of mobile genetic elements and genetic background was analysed. Among 66 clonal complex (CC) 59 isolates, 87.9 % (58/66) were positive for toxin genes, and 75.8 % (50/66) harboured the toxin gene combination seb-sek-seq. Among seb-sek-seq-positive CC59 strains, 42.0 % (21/50) also carried the sea gene. CC59 corresponded exclusively to accessory gene regulator 1 (agr-1). The data presented here enhance our current knowledge on the virulence determinants of CA-MRSA.

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Fanelli, Francesca, Daniele Chieffi, Gyu-Sung Cho, Justyna Schubert, Omar Amine Mekhloufi, Jacek Bania, Charles M. A. P. Franz e Vincenzina Fusco. "First Genome-Based Characterisation and Staphylococcal Enterotoxin Production Ability of Methicillin-Susceptible and Methicillin-Resistant Staphylococcus aureus Strains Isolated from Ready-to-Eat Foods in Algiers (Algeria)". Toxins 14, n. 11 (25 ottobre 2022): 731. http://dx.doi.org/10.3390/toxins14110731.

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Staphylococcus aureus is a pathogenic microorganism of humans and animals, able to cause foodborne intoxication due to the production of staphylococcal enterotoxins (SEs) and to resist antibiotic treatment as in the case of methicillin-resistant S. aureus (MRSA). In this study, we performed a genomic characterisation of 12 genetically diverse S. aureus strains isolated from ready-to-eat foods in Algiers (Algeria). Moreover, their ability to produce some classical and new staphylococcal enterotoxins (SEs) was investigated. The 12 S. aureus strains resulted to belong to nine known sequence types (STs) and to the novel ST7199 and ST7200. Furthermore, S. aureus SA46 was assigned to the European clone MRSA-ST80-SCCmec-IV. The 12 strains showed a wide endowment of se and sel (staphylococcal enterotoxin-like toxin) genes (sea, seb, sed, seg, seh, sei, selj, sek, sem, sen, seo, seq, ser, selu2, selw, selx, sey, sel30; ψent1-ψent2), including variants and pseudogenes, and harboured the enterotoxin gene cluster (egc) types 1 and 5. Additionally, they produced various amounts of SEA (64.54–345.02 ng/mL), SEB (2871.28–14739.17 ng/mL), SED (322.70–398.94 ng/mL), SEH (not detectable–239.48 ng/mL), and SER (36720.10–63176.06 ng/mL) depending on their genotypes. The genetic determinants related to their phenotypic resistance to β-lactams (blaZ, mecA), ofloxacin (gyrA-S84L), erythromycin (ermB), lincomycin (lmrS), kanamycin (aph(3′)-III, ant(6)-I), and tetracyclin (tet(L), tet(38)) were also detected. A plethora of virulence-related genes, including major virulence genes such as the tst gene, determinant for the toxic shock syndrome toxin-1, and the lukF-PV and lukS-PV genes, encoding the panton-valentine leukocidin (PVL), were present in the S. aureus strains, highlighting their pathogenic potential. Furthermore, a phylogenomic reconstruction including worldwide foodborne S. aureus showed a clear clustering based on ST and geographical origin rather than the source of isolation.

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Ayeni, Funmilola A., Werner Ruppitsch e Franz Allerberger. "Molecular characterization of clonal lineage and staphylococcal toxin genes fromS. aureusin Southern Nigeria". PeerJ 6 (9 luglio 2018): e5204. http://dx.doi.org/10.7717/peerj.5204.

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BackgroundStaphylococcus aureusis a human colonizer with high potential for virulence, and the spread of the virulent strains from the colonized hosts to non-carriers in the community is on the increase. However, there are few reports on comprehensive analysis of staphylococcal enterotoxin (SE) genes with clonal lineage inS. aureusin Africa. This is essential because of diversity of cultures and habits of the people. This study analyzed spa types and enterotoxin genes inS. aureusstrains previously isolated from the human nostrils, poultry and clinical samples in Southern Nigeria.MethodsForty-sevenS. aureusisolates were obtained from humans nostrils (n = 13), clinical strains (n = 21) and poultry (n = 13) from previous studies in Southern Nigeria. The strains were analyzed formecAgene, selected toxins genes (sea, seb, sec, sed, see, seg, seh, sei, sej, sek, sel, sem, sen, seo, sep, seq, ser, seu)and Panton-Valentine leukocidin (PVL) gene(lukS-PV/lukF-PV)by PCR. Population structures of the strains were detected by Staphylococcal protein A (spa) typing.ResultsTwenty different spa types were obtained with the highest percentages, 17% observed inspatype t091 from clinical, nasal and poultry samples while t069 was the most prevalent spa type in poultry. Two MRSA were only detected in human strains. The poultry strains had the highest occurrence of SE genes (18%) followed by nasal strains (15%) and clinical strains (10%). Eighty-nine percent of all tested isolates harbored at least one SE gene;seowas the most prevalent (34%) followed byseg(30%) andsea(21%), whilesec, seeandsejwere absent in all strains. Spa type t355 was associated withlukS-PV/lukF-PVgene and complete absence of all studied SE.Sea, seq, seb, sekwere associated with spa type t069;seawas associated with t127 whilesepwas associated with spa type t091. There were coexistences ofseo/segandsei/seg.ConclusionsThe higher carriage of staphylococci enterotoxin genes by the nasal and poultryS. aureusstrains suggests a high potential of spread of staphylococcal food poisoning through poultry and healthy carriers in the community. This is the first report of high occurrence of staphylococcal enterotoxins genes in poultry from Nigeria.

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Ohkura, Teruko, Keiko Yamada, Akira Okamoto, Hisashi Baba, Yasuyoshi Ike, Yoshichika Arakawa, Tadao Hasegawa e Michio Ohta. "Nationwide epidemiological study revealed the dissemination of meticillin-resistant Staphylococcus aureus carrying a specific set of virulence-associated genes in Japanese hospitals". Journal of Medical Microbiology 58, n. 10 (1 ottobre 2009): 1329–36. http://dx.doi.org/10.1099/jmm.0.010173-0.

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To study comprehensive toxin profiles and the chromosomal diversity of current Japanese hospital-associated meticillin-resistant Staphylococcus aureus (HA-MRSA) strains, we conducted PCR-based identification of 28 toxin genes, and staphylococcal cassette chromosome mec (SCCmec) typing and PFGE analysis of 208 MRSA strains isolated from 100 hospitals throughout Japan. Of the tested HA-MRSA strains, 80.3 % were tst-positive. The most frequent toxin gene profile was characterized by the carriage of 13 genes, tst, sec, seg, sei, sel, sem, sen, seo, lukED, hla, hlb, hld and hlg-2. Ninety of the 208 strains had this profile, which was named pattern A. Among the 118 non-pattern A strains, 100 had similar toxin gene profiles, the concordance rates to pattern A of which were more than 80 %. Consequently, 91.3 % of the examined HA-MRSA strains carried similar toxin profiles, although PFGE patterns showed a wide variation. These strains belonged to SCCmec type II, agr II and coagulase type II. We concluded that, unlike MRSA from many other countries, most of the Japanese HA-MRSA strains belonged to, or were related to, a specific group carrying the set of 13 toxin genes, irrespective of chromosomal diversity. In addition, among the 13 toxin genes, the coexistence rates of tst, sec and sel, and those of seg, sei, sem, sen and seo, were higher than for the other toxin genes. High coexistence rates of tst, sec and sel genes suggested the presence of the pathogenicity island SaPIn1 in these strains.

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Più fonti

Tesi sul tema "SEO"

Bartek, Tomáš. "Metody optimalizace webových vyhledávačů - SEO a SEM". Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2007. http://www.nusl.cz/ntk/nusl-412771.

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This work concerns optimalization of web pages for finders in the way that the web pages could be placed on best positions. The key of success for optimalization of web pages is the combination of some basic rules. The comparison of advantages of different ways of navigation and creation of menu, speed optimalization of pages loading, texts optimalization with the help of chosen key words, principles of choosing the key words, item placing on web pages and comparison of design, marketing and custom view of making the web pages. First of all, we will look on the difference between catalogues and full text finders, their historical development and current ratio of finders on our market. Subsequently we will describe the presumptions for optimalization from the resource code and programming languages point of view, which are used on web pages. The most important part of our interest is the optimalization methods of web pages content and also the methods which are considered as forbidden. The final implementation is made in PHP language.

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Hanušová, Kateřina. "Internetový marketing se zaměřením na SEO a SEM". Master's thesis, Vysoká škola ekonomická v Praze, 2008. http://www.nusl.cz/ntk/nusl-9429.

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The thesis defines and describes tools of Internet marketing. Within the frame of these tools it describes search engine marketing and website search engine optimization in detail. This information is presented in context of real e-shop and it focuses on SEO and SEM tools in real use.

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Veikutis, Donatas. "SEO taikymo analizė". Bachelor's thesis, Lithuanian Academic Libraries Network (LABT), 2012. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2012~D_20120702_123614-02385.

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Visuomenė, internetas ir jame esanti informacija dabar turi vieną didžiausių įtakų mūsų asmeniniame gyvenime. Be interneto daugelis dabar, net nebeįsivaizduotų savo kasdienybės, nes jis mums ir padeda atlikti daugelį darbų. Tačiau vis augant duomenų kiekiams internete, informacijos paieška tampa vienu svarbiausių internete naudojamų funkcijų.Paieškos sistemos – tai sistemos, ieškančios dokumentų žiniatinklyje, naujienų grupių archyvuose, FTP saugyklose, kuriuos rado paieškos serveris ir įtraukė į savo duomenų bazes. Ieškant informacijos, vartotojai naudojasi šiomis sistemomis, todėl internetinių svetainių kūrėjai yra suinteresuoti, kad jų internetiniai puslapiai būti kuo dažniau randami paieškos sistemų. Todėl besiplečiant paieškos sistemoms išsiplėtojo SEO (Search Engine Optimization, lietuviškai „Optimizavimas paieškos sistemoms“).
Expansion of the Internet and the information contained therein formed such an organization which aims to help the internet users to quickly and efficiently find what he needs. One of them is the Google search engine. It is one of the largest search engine companies in the world. In this paper we will analyse the Google search engine, and its proposed content optimization methods, which it claims to helps achieve better search results positions. The paper will discuss techniques such as HTML meta tags, content headers, site maps, robots.txt file, canonical and Paging functions. These methods will be compared with each other, and we will decide which method is most useful for site optimization.

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Koutný, Jiří. "Data driven SEO". Master's thesis, Vysoká škola ekonomická v Praze, 2011. http://www.nusl.cz/ntk/nusl-150119.

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The Search Engine Optimization (SEO) industry has recently undergone major changes. Many new analytics tools have been put on the market enabling marketing consultants to be finally able to measure and evaluate the results of their work in SEO effectively. The theoretical part of this diploma thesis therefore aims to describe and compare selected SEO tools including practical examples of their use. The paper is focused on backlink databases (MajesticSEO, SEOmoz OpenSiteExplorer and Ahrefs) and keyword suggestion tools from Google (AdWords), Seznam (Sklik), Wordtracker and SEMRush. The final chapter provides an overview of search engine positions tracking tools and techniques. The practical part describes the method of selection, preparation and processing of data obtained from tools mentioned above. The data are used to compute correlation analysis of Seznam.cz search engine results in relation with the best known SEO factors. The results of the analysis will help marketing consultants to clarify which factors are the most important to focus on to obtain more traffic from search engines.

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Diblík, Jan. "SEO optimalizace webových stránek". Master's thesis, Vysoká škola ekonomická v Praze, 2009. http://www.nusl.cz/ntk/nusl-76673.

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The topic of this thesis is search engine optimization (SEO). This term covers many activities, procedures and techniques. When using SEO you can improve your position in a search engine and narrow it to so called key words. The first part of the theoretical part acquaints readers with the basic facts, statistics and defines the basic terminology. The main objective of the second part is concentrated on the main elements which affect the successes of optimalization. The practical part is dealing with analysis of the optimalized e-shop including its competitors. The changes and recommendations of improvement and development of the e-shop were suggested on the basis of the analysis, the theoretical acquirements and the experience of the author. These changes are gradually implemented in the following part of the thesis. The impact on the attendance and placement in the search engines is reviewed after the realization of the suggested above.

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Štefl, Jan. "SEO - optimalizace pro vyhledávače". Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2008. http://www.nusl.cz/ntk/nusl-235984.

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Visiblity of page assume that is situated at top positions in search engines results for particular keywords. Search engine optimization is collection of rules, that should pass every page. In this thesis is described all essences of this technique, including methodology, that helps create optimized pages.

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Špaček, Petr. "Nástroj pro SEO analýzu". Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2011. http://www.nusl.cz/ntk/nusl-237037.

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The thesis deals with SEO problems (Search Engine Optimization). The part of the thesis is creation of tool which analyzes web pages in multilanguage versions and results provides with appropriate educational effect for user. According the analyzing that can be also used in the regular interval it's possible to show optimization history. The tool uses Microsoft technologies, especially ASP.NET, SQL Server 2008 or Microsoft Server 2008 and is developed by Visual Studio 2010.

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Komárek, Miroslav. "SEO optimalizace webových stránek". Master's thesis, Vysoká škola ekonomická v Praze, 2009. http://www.nusl.cz/ntk/nusl-15618.

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The goal of this thesis is to analyze methods and techniques applying to Search Engine Optimization (SEO). The thesis combines theoretical knowledge extracted from scientific sources and from author's experiences. Search Engine Optimization methods are divided into two major chapters according to sphere of their activity. On Page Factors -- factors occuring on web pages and Off Page Factors -- factors affecting web pages but occuring out of web pages. There is a case study at the end of this thesis. Acquired knowledge are used there. The case study is based on real-world project and includes detailed results and economical indicators.

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Smetana, Jakub. "Analýza a vyhodnocení využití SEM a SEO na případu internetového obchodu". Master's thesis, Vysoká škola ekonomická v Praze, 2009. http://www.nusl.cz/ntk/nusl-19105.

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This thesis defines search engine optimization (SEO) and search engine marketing (SEM) issues. Thesis is divided into several parts which are closely connected to each other. First part of the thesis regards general formulas and terms definitions. In the second part the development on the field of SEO in last two years with accent of main changes which have happened till now is described. A market development in full-text browsers area and a search engine marketing development (where internet is perceived as a marketing instrument) in Czech Republic during years 2004 -- 2009 are also mentioned here. Third part shows opportunities of SEM including the most popular applications description, such as Sklik, AdWords or Etarget, social networks or catalogues. Fourth part concerns web pages analysis and data evaluation, let us say the ways how to analyze and evaluate these pages. Last part of my thesis consists of a practical review of methods and processes, which are described in previous parts of the thesis, with using shoes e-shop example. Here the whole process from opening analysis through keywords analysis till source codes editing and obtaining of external links by web catalogues are described. In addition to the optimization process is part of this thesis also chapter which describes the launch of advertising systems such as Sklik, AdWords and Etarget including evaluation of results and success of particular advertising campaigns realized through these systems. The conclusion of the practical section summarizes the benefits and knowledge that have been achieved by optimizing and which are applicable to other similar projects, which appear across all web in huge numbers. Potential reader of this thesis gets an overview of the current market state concerning full-text browsers in the Czech Republic and search engine marketing. The reader also discovers SEO changes which happened in last two years. Based on mentioned practical part of the thesis the reader should be able to apply basic knowledge in this area, including the basic PPC settings and including analysis of results and their evaluation.

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Dai, Kai. "Liquidity shocks and SEO underpricing". Thesis, University of Nottingham, 2012. http://eprints.nottingham.ac.uk/12627/.

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We hypothesise that certain market conditions could lead to liquidity shocks that will consequently increase SEO underpricing (defined as the close-to-offer return). We propose three scenarios of market conditions, namely aggregate issues with large volume, large market declines and market volatility. Using a sample of about 5,000 seasoned equity offerings from 1987 to 2009, we found that market volatility is significantly and positively related to SEO underpricing after controlling for other factors. We employed an estimation method proposed by Chambers and Dimson (2009) to examine the behaviour of SEO underpricing over our sample period from 1987 to 2009. We found that after controlling for changing risk composition, price practice, market conditions and the influence of underwriter reputation and analyst coverage, there was still an upward shift in SEO underpricing over the sample period, and the pattern cannot be fully explained by the practice of setting offer prices at lower integers. We borrowed the investment banking power hypothesis from the literature and argued that the upward shift of SEO underpricing over the sample period could be explained by the increase of investment banking power. As the industry structure of underwriting transfers from a competitive market to an oligopoly market, banks use non-price dimensions to gain market power and consequently increase SEO underpricing.

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Più fonti

Libri sul tema "SEO"

Ledford, Jerri L. SEO. New York: John Wiley & Sons, Ltd., 2008.

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Duong, Véronique. Baidu SEO. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2017. http://dx.doi.org/10.1002/9781119368755.

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Shenoy, Aravind, e Anirudh Prabhu. Introducing SEO. Berkeley, CA: Apress, 2016. http://dx.doi.org/10.1007/978-1-4842-1854-9.

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Duce, José Antonio. La Seo. [Spain]: Caja Inmaculada, 2005.

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Raaf, Udo. Der SEO Planer. Wiesbaden: Springer Fachmedien Wiesbaden, 2021. http://dx.doi.org/10.1007/978-3-658-33192-4.

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Raaf, Udo. Der SEO Planer. Wiesbaden: Springer Fachmedien Wiesbaden, 2022. http://dx.doi.org/10.1007/978-3-658-37686-4.

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Sens, Bastian. Das SEO-Cockpit. Wiesbaden: Springer Fachmedien Wiesbaden, 2020. http://dx.doi.org/10.1007/978-3-658-29494-6.

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Edgar, Matthew. Tech SEO Guide. Berkeley, CA: Apress, 2023. http://dx.doi.org/10.1007/978-1-4842-9054-5.

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Daniel, Howarth, a cura di. Seo agat beacha. Dublin: An Gúm, 2010.

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Daniel, Howarth, a cura di. Seo agat féileacáin. Dublin: An Gúm, 2010.

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Capitoli di libri sul tema "SEO"

Khliupko, Viktor. "SEO". In Magento 2 DIY, 93–100. Berkeley, CA: Apress, 2016. http://dx.doi.org/10.1007/978-1-4842-2460-1_10.

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Pérez Castaño, Arnaldo. "SEO". In PrestaShop Recipes, 187–207. Berkeley, CA: Apress, 2017. http://dx.doi.org/10.1007/978-1-4842-2574-5_7.

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Ahrholdt, Dennis, Goetz Greve e Gregor Hopf. "Suchmaschinenmarketing (SEO & SEA)". In Online-Marketing-Intelligence, 25–66. Wiesbaden: Springer Fachmedien Wiesbaden, 2023. http://dx.doi.org/10.1007/978-3-658-40599-1_3.

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Sens, Bastian. "SEO-Spezialthemen". In Das SEO-Cockpit, 107–28. Wiesbaden: Springer Fachmedien Wiesbaden, 2020. http://dx.doi.org/10.1007/978-3-658-29494-6_3.

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Lammenett, Erwin. "Suchmaschinenoptimierung (SEO)". In Praxiswissen Online-Marketing, 177–232. Wiesbaden: Springer Fachmedien Wiesbaden, 2017. http://dx.doi.org/10.1007/978-3-658-15494-3_6.

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Schmitt, Michael C. "Suchmaschinenoptimierung (SEO)". In Quick Guide Digitale B2B-Kommunikation, 83–94. Wiesbaden: Springer Fachmedien Wiesbaden, 2018. http://dx.doi.org/10.1007/978-3-658-14213-1_9.

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Süss, Yannik. "Suchmaschinenoptimierung (SEO)". In E-Commerce für klein- und mittelständische Unternehmen, 69–81. Wiesbaden: Springer Fachmedien Wiesbaden, 2016. http://dx.doi.org/10.1007/978-3-658-14452-4_8.

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Elrom, Elad. "AngularJS SEO". In Pro MEAN Stack Development, 197–219. Berkeley, CA: Apress, 2016. http://dx.doi.org/10.1007/978-1-4842-2044-3_8.

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Kelsey, Todd. "SEO Basics". In Introduction to Search Engine Optimization, 29–42. Berkeley, CA: Apress, 2017. http://dx.doi.org/10.1007/978-1-4842-2851-7_3.

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Kelsey, Todd. "Try SEO". In Introduction to Search Engine Optimization, 59–74. Berkeley, CA: Apress, 2017. http://dx.doi.org/10.1007/978-1-4842-2851-7_5.

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Atti di convegni sul tema "SEO"

Kim, Daeheum, Seungwoong Nam, Seungbyung Yeo e Jiyun Lim. "SeO". In Organic Holographic Materials and Applications IV. SPIE, 2006. http://dx.doi.org/10.1117/12.679735.

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Liao, Mei-Hua, e Li-Wen Chen. "SEO and Insider Trading". In 2013 Seventh International Conference on Innovative Mobile and Internet Services in Ubiquitous Computing (IMIS). IEEE, 2013. http://dx.doi.org/10.1109/imis.2013.133.

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Patil, Vikas M., e Amruta V. Patil. "SEO: On-Page + Off-Page Analysis". In 2018 International Conference on Information, Communication, Engineering and Technology (ICICET). IEEE, 2018. http://dx.doi.org/10.1109/icicet.2018.8533836.

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Barbar, Aziz, e Anis Ismail. "Search Engine Optimization (SEO) for Websites". In ICCTA 2019: 2019 5th International Conference on Computer and Technology Applications. New York, NY, USA: ACM, 2019. http://dx.doi.org/10.1145/3323933.3324072.

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Uspensky, Egor Nikolaevich, Aleksandr Sergeevich Stariokv e Anton Igorevich Teterichev. "SEO-optimization in the modern world". In International Scientific and Practical Conference. TSNS Interaktiv Plus, 2017. http://dx.doi.org/10.21661/r-462009.

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Ma, Xiulin. "Research on Black Hat SEO Behaviour Measurement". In 2018 IEEE 3rd Advanced Information Technology, Electronic and Automation Control Conference (IAEAC). IEEE, 2018. http://dx.doi.org/10.1109/iaeac.2018.8577831.

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Sharma, Simple, e Seema Verma. "Optimizing Website effectiveness using various SEO Techniques". In 2020 7th International Conference on Signal Processing and Integrated Networks (SPIN). IEEE, 2020. http://dx.doi.org/10.1109/spin48934.2020.9070893.

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Jones, Timothy, Ramesh Sankaranarayana, David Hawking e Nick Craswell. "Nullification test collections for web spam and SEO". In the 5th International Workshop. New York, New York, USA: ACM Press, 2009. http://dx.doi.org/10.1145/1531914.1531927.

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Jing Shi, Yan Cao e Xue-jing Zhao. "Research on SEO strategies of university journal websites". In 2010 2nd International Conference on Information Science and Engineering (ICISE). IEEE, 2010. http://dx.doi.org/10.1109/icise.2010.5690798.

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Xu, Haoqin. "Website Link Structure Optimization Based on SEO Algorithm". In 2022 IEEE Asia-Pacific Conference on Image Processing, Electronics and Computers (IPEC). IEEE, 2022. http://dx.doi.org/10.1109/ipec54454.2022.9777341.

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Rapporti di organizzazioni sul tema "SEO"

Johansen, Christopher Antares. SEO-1 Training Brochure. Office of Scientific and Technical Information (OSTI), maggio 2015. http://dx.doi.org/10.2172/1179263.

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Calomiris, Charles, Yehuda Izhakian e Jaime Zender. Underwriter Certification, Issuer-Underwriter Matching, and SEO Performance. Cambridge, MA: National Bureau of Economic Research, ottobre 2019. http://dx.doi.org/10.3386/w26344.

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Ebrahem, Osama. Product Recommendation Systems (Strategies of Amazon SEO to Optimize Listings). Ames (Iowa): Iowa State University, agosto 2022. http://dx.doi.org/10.31274/cc-20240624-1157.

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Lopezosa, Carlos, Lluís Codina, Carlos Gonzalo Penela e Carles Pont Sorribes. SEO y periodismo: marco de optimización global como parte del emprendimiento en cibermedios. Universitat Pompeu Fabra, 2020. http://dx.doi.org/10.31009/informesdcom.2020.01.

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Codina, Lluís, Carlos Gonzalo-Penela, Rafael Pedraza-Jiménez e Cristòfol Rovira. Posicionamiento Web y Medios de Comunicación Ciclo de Vida de una Campaña y Factores SEO. Universitat Pompeu Fabra, febbraio 2017. http://dx.doi.org/10.31009/digidoc.2019.inf23.

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Shapovalov, Yevhenii B., Viktor B. Shapovalov, Fabian Andruszkiewicz e Nataliia P. Volkova. Analyzing of main trends of STEM education in Ukraine using stemua.science statistics. [б. в.], luglio 2020. http://dx.doi.org/10.31812/123456789/3883.

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STEM-education is a modern effective approach that nowadays can be interpreted in very different ways and it even has some modification (STEM/STEAM/STREAM). Anyway, the “New Ukrainian school” concept includes approaches similar to STEM-education. However, there wasn’t analyzed the current state of STEM-education in Ukraine. We propose to analyses it by using SEO analysis of one of the most popular STEM-oriented cloud environment in Ukraine stemua.science. It is proposed to use the cycle for cloud-based educational environments (publishing/SEO analysis/team’s brainstorm/prediction/creation of further plan) to improve their efficiency. It is found, that STEM-based and traditional publications are characterized by similar demand of educational process stakeholders. However, the way how teachers and students found the publication proves that traditional keywords (47.99 %) used significantly more common than STEM keywords (2.67 %). Therefore, it is proved that STEM-methods are less in demand than traditional ones. However, considering the huge positive effect of the STEM method, stemua.science cloud educational environment provides a positive effect on the educational process by including the STEM-aspects during finding traditional approaches of education by stakeholders of the educational process.

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bin Ahsan, Wahid, Md Tanvir Hasan, Danilson Placid Purification, Nilim Ahsan, Naima Haque Numa e Mostain Billa Tusar. Challenges and Opportunities in Bangladesh’s Content Writing Industry: A Qualitative Exploration. Userhub, luglio 2023. http://dx.doi.org/10.58947/ghkp-lxdn.

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This research provides a qualitative, in-depth exploration of the content writing industry in Bangladesh, identifying prevalent trends, challenges, and growth potential. The study utilizes data from 44 participants, which include content writers and clients with diverse levels of industry experience, collected via online surveys and detailed interviews. Key findings suggest that while the industry is marked by a high demand for unique, engaging, and SEO-optimized content, issues pertaining to AI’s role, market saturation, and remuneration concerns persist. Despite these challenges, strategies for success emerged, such as continuous learning, effective client-writer communication, and strategic use of AI and social media tools. The study highlights the industry’s considerable potential for growth and recommends enhancing skill sets, promoting clear communication, creating unique value propositions, and encouraging supportive industry-wide policies. The study also signals future research directions, including the exploration of AI’s impact, pay practices, professional development programs, and the differential roles of social media platforms.

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Brian Clark, Brian Clark. Sex in the sea: Uncovering the mating behavior of Giant Sea Bass. Experiment, gennaio 2014. http://dx.doi.org/10.18258/1883.

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Le, Tom. A Japanese Security Sea Change? Let’s See Change First. Critical Asian Studies, gennaio 2023. http://dx.doi.org/10.52698/wajo6699.

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Brown K. A. e J. W. Glenn. Transport Efficiency and Target SEC Calibrations for SEB Beam Lines. Office of Scientific and Technical Information (OSTI), gennaio 1995. http://dx.doi.org/10.2172/1132407.

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