Google Page Speed is a tool used internally by Google to optimize their webpages, which is now made available for the public. The tool is built as a Firefox add-on integrated with Firebug. When I discovered it I was a little amused that Google is using Firefox internally instead Chrome for such purposes.
Yesterday [...]

Backlink Watch

backlinkwatch.com – is a back link analyzer. It’s the best free tool I encountered. It shows the number of backlinks and then displays them in one table along with the important information:

anchor text of the backlink
total external links found on the webpage giving backlink.
pr of the webpage giving backlink(seems it doesn’t work for the [...]

It’s very important what keywords you choose while optimizing your website. The keywords are extremely important from SEO point of view, regardless if you write a new article or just if you optimize and old one.
The most important fact for choosing a keyword is the number of the searches that are done on the web [...]