HOW SEARCH ENGINES MEASURE THE LINKS' RELEVANCE

 


Link relevance has recently become an important factor in the way search engines identify which sites to show readers first in response to keyword - based searches.

At the moment, one of the main ranking factors measuring the web site's popularity is the seniority of the domain: a site that has been online continuously under the same domain for five years is going to have more inbound links than one that was put up last month, even if the new site is superior in content and layout. It's good to know that the link system is the real architecture of the web and protects searchers from sites that come and go, and helps to stabilize the World Wide Web.

 

Relevant links make the web user-oriented

 

The strategy that is called " Page Rank" makes the web " user -oriented" because this way of classifying documents and sentences semantically enables us to recognize a community of users interested in getting that particular kind of information. A link to a page is an endorsement of that page, but endorsements inherently have more value from well-respected and authoritative sources than from others. Search engines determine authority by examining the link popularity of the site linked from. So, if a high-authority site (one that itself has many other high-authority sites linking to it) links to your page, it is conferring some of its status and authority on your page. Search engines attribute the highest page ranking factors to pages with many links from high-quality sites. But it is even more complicated than that......

Links from contextually relevant sites are also a key ranking factor. When I say "contextually relevant," I mean that the information is on a certain theme (or topic or subject) and it is not enough for the anchor text to use similar words, as words can have multiple meanings on unrelated subjects. Beyond the anchor text, search engines look at the words around the anchor text, words on the entire page and even the entire site being linked from. Why? Because sites that are relevant to the topic of the query provide more relevant links than others. Random links from popular sites do not convey the same authority as links from sites that are popular and thematically related.

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