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Sémantique HTML et PageRank

2006-02-03 #html,#referencement

Mike Davidson tried to rank for the term lodefizzle on Google. He wrote a dozen different pages to find out what aspects of HTML Google really cares about. Scroll down to the Google…

  • The H1 tag does indeed assert some dominance and we can therefore assume you are better off using proper headings in your HTML documents.
  • The mere appearance of many nested tables in your code does not have a strong enough negative effect to be considered a drag on search engine ranking.
  • It’s not clear that validity helps search engine ranking, but it’s definitely true that certain errors in your code can get you completely removed from indexes.
  • The semantic effect of hierarchical HTML headings is a stronger factor in search rankings than more rudimentary measures such as physical keyword placement.
  • Although good semantics are somewhat valuable in optimization, simple things like proper titles, descriptive filenames, and incoming links are dramatically more important.