Akismet is a Plugin for WordPress and other Open Source CMS platforms that filters out comment and track backs spam on your blog. Akismet comes along with worpdress installation and you will need their API key to use it on your website. Many high PR or high traffic blogs use Akismet to filter out spam...

Alexa rank is the traffic rank of your website with respective to those who uses Alexa toolbar whereas Page Rank is Google’s point of view of importance of your web page. If your website has a good Page Rank then it does not necessarily mean that your website gets a high traffic. Many websites...