The web content accessibility guidelines
Wcag. Wc, have been developed by the web accessibility initiative wai, dependent on the wc, and define seo packages prices how to create accessible web content. They are a de facto international standard and de jure in many countries. Further, since october are also an iso standard through the iso iec standard :. The wcag. Are structured around the four principles that make up the fundamentals of web accessibility: perceptible, operable, understandable seo services packages and strong. Each of these principles has associated a certain number of guidelines, in total, they provide the framework and general objectives to be met.
Each of these guidelines has a set of conformity criteria, in total, which are the verifiable requirements and have a level of conformity associated: a lowest, aa, aaa. For each criterion of conformity a sufficient number of techniques are documented, other recommended and most commonly known errors. What is seo? Seo search engine optimization or organic search engine optimization is the set of techniques to improve the visibility of a website in the different engines of such as google, yahoo! Or bing.The main objective is to appear in the top positions of the results pages of the search engines called serps for certain relevant search terms depending on the theme of the site. Search engine optimization only affects search results organic, not paid or sponsored results as in the case of google adwords figure. Improve the organic positioning of a web page for a given search increases the chances of it being visited by the user that is done concrete search. Numerous eye-tracking studies have shown that looks focus on three first organic results of the serp, an area called golden triangle hotchkiss, alston and edwards, and that as we move away from these first posts and the first page of results, the percentage of clicks drops drastically. Marcos and gonzález-caro, studied how each of the seo packages prices elements of a search result in the decision to discriminate them and select one or the other result.
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In the organic results users were set almost half the time in the snippet, followed by the title and url, although the percentages varied in search type function. Snippet: description or text fragment with the information closest to the words of the query. How is search engine optimization improved? The google search bot google bot crawls content on the internet in a way that continuous and automatic for the google index, following the links of the pages and indexing billions of pages in this way. It is in this index that we actually do our searches. The algorithm applied by google to determine the relevance of our page for specific search terms, and based on which position our page in search results, is frequently modified and is not known accuracy, but more than factors are taken into account cuts. The seo techniques to improve the positioning of the pages focus on: facilitate the crawling and indexing of pages by the search engines, and that this is done by search terms relevant to that page. Get google to consider our relevant page.
Although the google's algorithm is not known, it is known of certain factors that influence, such as: the number, authority or thematic of the pages that link with ours, the load speed of the site or that gives priority to the pages with their own content, updated and of interest to visitors. The main objective is to appear in the top positions of the results pages of the search engines called serps for certain relevant search terms depending on the theme of the site. Search engine optimization only affects search results organic, not paid or sponsored results as in the case of google adwords figure. Improve the organic positioning of a web page for a given search increases the chances of it being visited by the user that is done concrete search.