Webmaster Tools

We have compiled a collection of free resources for webmaster tools.

HTML Validator

Validator W3C

HTML Validator

WDG HTML Validator

Keyword density

Keyword Density

Link checker

XENU's Link Sleuth

Server headers checker

Check webserver resultcodes and HTTP headers

HTTP header check (french)

HTTP Header Viewer

Spider simulator

Search Engine Spider Simulator

Search Engine Spider Simulator

Similar Page Checker

Similar Page Checker

Copyscape checker

Copyscape plagiarism checker

Backlink checker

Backlink Tracker Pro

Link Popularity Checker

Open Site Explorer

Link Popularity Checker

SEO Tools Websites

Websites with free SEO tools :

SEO SEO News

SEO Tools webconfs

Webmaster Toolkit