SEO Tools And Services

List of tools to help webmasters. Software to improve search engine optimization.

Keywords

Insights for search

Evaluate the value of keywords.

Keywords External

Free keyword search tool from Google.

Wordle: Tag Cloud

This online service generates a tag cloud from a URL, by analyzing the keywords contained on the site! Useful in SEO to know the semantics of a topic, it is also a mean, by creating an image from a sentence, to illustrate a page quickly...

Page checks

Link check

Check your site for broken links.

Page Test

Check the validity of your HTML code.

Web Page Test

Makes an analysis of the page whose URL is given and then conducts an audit about possible performance improvement.

Checks

Tools for checking anything about a website.

Browser compatibility

If you use only Internet Explorer, this site tests your home page with various Linux browsers, and displays it for a limited time.

Safe browsing

Tool from Google to check your site against malwares. Replace mysite.com by the domain of your site.

http://www.google.com/safebrowsing/diagnostic?site=mysite.com

Optimization

Follow-up of optimization

Free Web service.

Page Strength

Evaluate the strength of a Web page according to various factors (2 pages / day).

Traffic

Know the evolution of the traffic of a website.

Google Trends for Website

Alexa

Browser extensions

SEO Quake

Browser extension, that adds a toolbar to display lot of useful data for ranking a website.

Backlinks

Evolution of backlinks by Majestic

Evolution over time of the backlinks to your site or comparison of two sites.
I do not know if the values are really valid, note the values in Google Webmaster Tools to make a comparison.

Sitemap

Simple Map

Sitemap generator. Build a site map from the local image of the site.
The XML format is standard and common to Google, Yahoo and Live Search from Microsoft.

See also

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