REGLES SUR LE REFERENCEMENT

On-Page (Keyword-Specific) Ranking Factors

  1. Keyword Use Anywhere in the Title Tag

    66% very high importance
    8% moderate consensus

  2. Keyword Use as the First Word(s) of the Title Tag

    63% high importance
    11.3% light consensus

  3. Keyword Use in the Root Domain Name (e.g. keyword.com)

    60% high importance
    11.2% light consensus

  4. Keyword Use Anywhere in the H1 Headline Tag

    49% moderate importance
    10.2% light consensus

  5. Keyword Use in Internal Link Anchor Text on the Page

    47% moderate importance
    13% moderate contention

  6. Keyword Use in External Link Anchor Text on the Page

    46% moderate importance
    13.6% moderate contention

  7. Keyword Use as the First Word(s) in the H1 Tag

    45% moderate importance
    11.7% light consensus

  8. Keyword Use in the First 50-100 Words in HTML on the Page

    45% moderate importance
    9.9% light consensus

  9. Keyword Use in the Subdomain Name (e.g. keyword.seomoz.org)

    42% low importance
    9% light consensus

  10. Keyword Use in the Page Name URL (e.g. seomoz.org/folder/keyword.html)

    38% low importance
    9.1% light consensus

  11. Keyword Use in the Page Folder URL (e.g. seomoz.org/keyword/page.html)

    37% low importance
    8.6% light consensus

  12. Keyword Use in other Headline Tags (

    –

    )
    35% low importance
    8% light consensus

  13. Keyword Use in Image Alt Text

    33% minimal importance
    8.7% light consensus

  14. Keyword Use / Number of Repetitions in the HTML Text on the Page

    33% minimal importance
    10.3% light consensus

  15. Keyword Use in Image Names Included on the Page (e.g. keyword.jpg)

    33% minimal importance
    8.6% light consensus

  16. Keyword Use in or Tags

    26% minimal importance
    7.6% moderate consensus

  17. Keyword Density Formula (# of Keyword Uses ÷ Total # of Terms on the Page)

    25% minimal importance
    9.8% light consensus

  18. Keyword Use in List Items

  19. on the Page

    20. 23% very minimal importance
    9.5% light consensus

  20. Keyword Use in the Page’s Query Parameters (e.g. seomoz.org/page.html?keyword)

    22% very minimal importance
    7.6% moderate consensus

  21. Keyword Use in or Tags

    21% very minimal importance
    8.4% light consensus

  22. Keyword Use in the Meta Description Tag

    19% very minimal importance
    9.9% light consensus

  23. Keyword Use in the Page’s File Extension (e.g. seomoz.org/page.keyword)

    12% very minimal importance
    8.3% light consensus

  24. Keyword Use in Comment Tags in the HTML

    6% very minimal importance
    5.7% moderate consensus

  25. Keyword Use in the Meta Keywords Tag

    5% very minimal importance
    5.5% moderate consensus
    1. http://www.seomoz.org/article/search-ranking-factors#ranking-factors
    2. http://www.seomoz.org/article/search-ranking-factors#overview

    La balise méta keywords (mots clés) est morte et enterrée !!! (par Google) depuis déjà longtemps… mais enfin Google l’annonce officiellement :

    http://googlewebmastercentral.blogspot.com/2009/09/google-does-not-use-keywords-meta-tag.html

    Voila une  confirmation des changements apportés à la méthode d’indexation du  moteur de recherche…!!!!!!!!!!!!!!!!!!!!!!!! Gg

    D’ailleurs les outils pour webmaster le confirme, voilà la liste des balises méta et autres… prises en compte par Google… les autres sont considérées comme du « folklore » :

    http://www.google.com/support/webmasters/bin/answer.py?answer=79812

    Je pense qu’il est grand temps de reconsidérer vraiment les discours et méthodes de référencement enoncées sur le terrain par de pseudo professionnels…