A Concise History of Search Engine Optimization

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Search engine optimization, frequently abbreviated “SEO”, is the system used by website owners to have their sites rank higher with the various search engines. The more elevated the rank, the more probable the site will be visited, and the easier it will be to sell the site’s goods and services.

Search engine optimization began in the mid-1990’s when webmasters began “optimizing” their websites. It was a comparatively simple procedure at that time in view of the fact that the only requirement was to supply a URL to the search engine and a “web crawler” would “crawl” the web site. The pages from the web sites were downloaded and stored on the search engine servers along with a link to the web site. Once the search engine had the pages downloaded a subsequent process extracted information from these pages and “indexed” the website. Then, once the indexing was done, the site was “ranked”. Ranking is the determination of which spot the site will have in relation to all other sites in the same general index.

In the beginning search engines used basic search algorithms to rank the web pages. The search engines had constructed a system that took into consideration a number of factors such as domain name, text within the title, URL directories, term regularity, HTML tags, on-page key word proximity, Alt attributes for images, on-page keyword adjacency, text within NOFRAMES tags, web content, sitemaps, and on-page keyword sequence. It didn't take webmasters especially long to commence abusing the system which then forced the search engines to work out a more sophisticated structure of algorithm.

To help restrain misuse by webmasters, some Internet search engines, such as Google, Microsoft, Yahoo, and Ask.com, determined not to release the algorithms they were applying when ranking web pages. Such things as keyword density, keyword placement in titles and images, link popularity and quality content are taken as vital for optimization of a site, but we do not know the particular weight or value of any one aspect.

These days it is rather simple to get your site indexed. As soon as the site is established you can have it verified and crawled by Google almost right away. Next you can build a sitemap and give Google its location and it will be crawled from time-to-time to index any changes. Once this is done, you will still want to apply search engine optimization techniques to get higher rankings.

Things are constantly changing in the search engine world. These days it is important to develop your web site around core themes instead of one or two keywords. While typical search engine optimization techniques are nonetheless important, Google, and other search engines, are giving additional credibility to web sites which are prepared around a core theme. This new consideration is called “latent semantic indexing” and will undoubtedly become even more valuable in the future.

Article Source: http://depositarticles.com/

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