best tools list on the web for SEO

Alexa.com

Alexa-Ranking tool
Alexa page-rank-and-rating-results for your website
Alexa Web Rank Checker tool
Check your site’s current Alexa Web Rank, Incoming Links, Reach Rank & Average Reviews

Backlink checker

Anchor Text Backlink Checker
This tool is to check your backlinks and the anchor text used in those backlinks.
Backlink Analyzer
Research and analyze websites for link quality. Checks for Indexed Pages, Links to [...]

PageRank Scamming whats hapening on google ??

Basically, you can check out the website and it will appear that they have a PR of 10. However, if you do a backlink check in Google you will see that all the links are going to another PR 10 site and not their website. In most cases they do a redirect to Google.com or [...]

More then 500 website Directory Resources Links

lets boost your website traffic. get link bank from more then 500 website and its all just free but you have to work 2-3 days for that. i am sharing with you list of 500 website for link exchange and backlinks.
Internet & Directory Resources

ELinkDirectory Premium Web Directory
Excite Directory
World-Click Web [...]

Web Page Load Test.

Test your page loading time with Pingdom Tools, amazing tool to see what is taking long to load (images, css, scripts).
About Pingdom Tools
Pingdom Tools is  public section of uptime-related tools designed to help webmasters track down problems with websites and servers. All these tools are free to use and are meant as a complement to [...]

Alexa Toolbar for Firefox, Alexa Sparky 1.1

* Sparky is a free FireFox browser plugin that accompanies you as you surf, providing useful information about the sites you visit without interrupting your Web browsing.
Sparky’s trendline feature allows you to track a website’s popularity over time, plotting the traffic rank for the last 4 months on a handy little sparkline.
Sparky’s reach and rank [...]