Alexa toolbar also useful to Browse expired websites database. Many times when we visit any website we got error message that website is not available. We have to simply click The Wayback Machine button on Alexa toolbar and we can see the old data of that website.How to Increase Alexa Ranking of your website?Alexa Toolbar using millions of users. Alexa Gives Ranking by Analysing the web usage of millions of Alexa Toolbar Users. Alexa Sorting Millions of websites thru Alexa Toolbar and giving num.