Alexa of the largest and most reliable sites on the Internet that allows a number of important and useful services for your website which improves its ranking among other sites worldwide on the Internet and over to see him search engines and thus increase in visitors to your site daily .
Is a special site determine the rank of each site in the world and this rank depends on the number of visitors who enter the site daily
The higher the rank of the site is low in Alexa This means that many visitors to the site come to him and the higher the rank Vmalk means the opposite
For example, the first site currently is Facebook then followed by Google in Altanah Rank then YouTube in Altalth grade and so on
Malk because these sites get daily Mlaeyen Visitors