Introduction to Search Engine Optimization SEO – Yahoo Voices – voices.yahoo.com

Search engines such as Google, Bing and Yahoo are primarily text driven; their software is oblivious to how cool your website looks, although esthetics are important once someone lands on your site . Google and other search engines repeatedly comb the internet for related text and links associated to the queries they receive. These search engines utilize a program often called a ‘web-crawler’ or ‘spider’. The web-crawler Google uses is ‘Googlebot’. This crawler software combs the internet – over 240 million sites and related links and builds an index. Crawlers may not visit a particular site daily; it could be 30 days between the times a crawler first indexes your site and returns to monitor any changes

After Your Site has Been Crawled
Once your site has been crawled its contents are then indexed, stored in a database for retrieval later. What is identified during indexing are words and phraseology that chronicles what is on the webpage. SEO is the science/art of helping a webpage’s indexed content become the most relevant answer to search queries. Many sites use their own ‘crawler’ or ‘spider’ simulators to get an idea of how they stand in the search engine indexing process.

The Subtle Differences in Search Engines can Complicate SEO
Generally, search engines operate in the same manner, but small differences in the algorithm of their indexing software can affect SEO for varying search engines. SEO for multiple search engines can be a maddening balancing act. Search sites have diverging priorities; SEO for Google can obliterate the work you did for Bing, Yahoo does not look for what Bing or Google registers. Google loves relevant links, while those are not as important to Yahoo or Bing. Yahoo is really keyword aware. Google prefers older established sites, while other search engines aren’t as concerned with longevity.

via Introduction to Search Engine Optimization SEO – Yahoo Voices – voices.yahoo.com.

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