Software Screenshot:
iSEO - SEO Tool for Chrome is a PageRank checker. This one will tell you, how much PR will be transferred to your site with a dofollow link on that page. It is handy to see if a site would be worth your time of commenting or requesting a backlink. As well as that, it tells you, how many links, follow links, follow external links and follow internal links there are on that page. It also uses a random Google server to fetch the PageRank value to stop you being throttled by Google.
Requirements:
Google Chrome Beta Channel
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