Home > SEO Services > Search Engine Optimisation Glossary > Algorithms
A crawler-based search engine determines the relevancy of your search request, searches through millions of web pages and presents its optimum match to your search term.
To sort through all these pages and come back with a set of results the search engines have to follow certain rules, these rules are called algorithms. Each major search engine has its own algorithm which shares commonality with the others and can also have a slight variation.
A search engines algorithm is generally a trade secret.
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