Search Engine Optimization : Key criteria and blocking factors
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Olivier Andrieu

Page Ranking Criteria

The ranking criteria that search engines have been traditionally using to evaluate the relevancy of pages relate to information directly supplied by the HTML code. A document will be better ranked in search results if it contains the keywords specified by a visitor's query in the following sections - introduced in order of decreasing importance:

  • The page title (<TITLE> tag).

  • The highlighted visible text (enclosed in one of the following tags: <H1>...</H1>, <B>...</B>, <A>...</A>, etc.).

  • The regular visible text.

  • The <META> tags with the description or keywords attributes.

  • The ALT attribute of the <IMG> tag.

  • The comments in the code.

  • This latter is a criterion very rarely considered by search engines that tend to ignore comments.

So if certain words are very important with respect to your website content, place them in the title, the visible text and the links' texts (highlighted in colour and underlined). Your pages will then produce good results when matched against ranking criteria.



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