How Google ranks websites?

Posted by kumarjit in Internet Trends, The Internet

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How Google ranks websites?

The Google search engine uses an algorithm called PageRank, developed by Larry Page at Stanford University to rank websites. PageRank is basically a link analysis algorithm that is based on the webgraph, created by denoting all WWW (World Wide Web) pages as nodes and hyperlinks as edges, that measures the relative importance of a hyperlinked set of documents by assigning a numerical weighting to each elements of the set. The numerical weight assigned to a given element E is the PageRank of element E; generally represented as PR(E). This rank value determines the popularity and importance of the page while the hyperlinks from another page indicate as vote of support. This algorithm is applicable to all set of entities having reciprocal quotations and references. PageRank is the trademark of Google but the process is patented and assigned to Stanford University while Google has exclusive license right for the patent.

How Google PageRank algorithm works?

Google PageRank instead of expressing in percentage uses a logarithmic scale to determine the page ranks. The PageRank depends on the total number of incoming links and is defined recursively. Hence, it is obvious that a page linked to maximum pages gets a high rank; but it is not the sole criteria. If a Page C has fewer links compared to a Page E, yet if C gets a link from an important page having high PageRank, C will eventually have a high PageRank. Hence, a page linked to several pages with high PageRank gets itself a high rank while the one having no links has no support.

How to improve PageRank?

Google PageRank can be scaled down to two important factors: Keywords in the page and number of hyperlinks from high quality pages. For example, suppose you have your own blog that is less popular since it lacks links from other pages. On the other hand, your competitors keep their pages updated. So each time they update, it gets you down on the rank list, pushing you at the bottom in google search results. To improve this, try adding more keywords and constantly updating your blog by posting new relevant contents that will keep the viewers engaged and optimizes your position in the search results, hence making your site popular.

Why is a high PageRank desired?

A high PageRank indicates the popularity of your page. It gets you on top of the search results increasing the page traffic quantity. Also it helps getting linked up with high quality webpages that also improves the page quality and the incoming links from large websites helps you earn a high PageRank.

Other Tactics

Since it’s important for a blog to get a high rank value, there are certain tactics that can help improve the rank. Some of them are:

  1. Name your pages properly
  2. Use plenty yet relevant keywords
  3. Exchange links with other relevant sites having high rank
  4. Social networking sites like Digg and Del.icio.us are a good way to promote your site.
  5. Try making the search friendly graphics and good, popular design for your blog
  6. Finally, try incorporating your blog to a website.

Google is undoubtedly the most popular and widely-used search engine with maximum number of hits per day. For a business website, the top position in Google search results is highly desired since it can be a lead generating machine. It gets you lots of free traffic flow, viewers and sales.

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