SEO/SMO

Get flash to fully experience Pearltrees

Campaign Tracking - Google Analytics - Google Code

veilleseotools

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How do you rate links from sites like Twitter and Facebook?

Is it still important to offer a site map to users?

Video Sitemaps ► Learn Video Sitemaps With Google: How-to Create Sitemaps For Google Video SEO

HTML5 Video, WebM, VP8, and Video SEO For Google

Matt Cutts - Exploring Video Sitemaps & Google's Video Index

How to get indexed by Google in ONE hour

Should I use underscores or hyphens in URLs?

More than one H1 on a page: good or bad?

Outils Google pour les webmasters vous fournit des rapports détaillés sur la visibilité de vos pages sur Google. Pour commencer, il vous suffit d'ajouter et de vérifier votre site.

Outils pour les webmasters

https://www.google.com/accounts/ServiceLogin?service=sitemaps&passive=true&nui=1&continue=https://www.google.com/webmasters/tools/&followup=https://www.google.com/webmasters/tools/&hl=fr

Duplicate Content & Multiple Site Issues

Can I publish 100+ pages at once?

How can new pages get indexed quickly?

Does Google use data from social sites in ranking?

Facebook Sponsored Stories Are 46% More Effective Than Standard Facebook Ads

http://readwrite.com/2011/05/06/facebook-sponsored-stories-are-more-effective

Earlier this year, Facebook introduced a new type of advertising that highlights the activity of a user's friends who have interacted with a given brand on the site.