External When search engines first began valuing links

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In the ranking factors survey, we called this "domain authority" and it accounted for the single largest chunk of the Google algorithm (in the aggregate of the voters' opinions). Domain authority is likely calculated off the domain link graph, which is unique from the web's page-based link graph (upon which Google's original PageRank algorithm is based). In the list below, some metrics influence only one of these, while others can affect both. #1 - Internal vs.

As a way to determine the popularity, importance and relev iran mobile phone numbers database nce of a document, they found the classic citation-based rule that what others say about you is far more important (and trustworthy) than what you say about yourself. Thus, while internal links (links that point from one page on your site to another) do carry some weight; links from external sites matter far more. Internal vs. External Links This doesn't mean it's not important to have a good internal link structure, or to do all that you can with your internal links (good anchor text, no unnecessary links, etc.


It just means that a site/page's performance is highly dependant on how other sites on the web have cited it. #2 - Anchor Text An obvious one for those in the SEO business, anchor text is one of the biggest factors in the rankings equation overall, so it's no surprise it features prominently in the attributes of a link that engines consider. Value of Anchor Text In our experiments (and from lots of experience), it appears that "exact match" anchor text is more beneficial than simply inclusion of the target keywords in an anchor text phrase.