This is honestly the best tool I have used to identify factors on a webpage.  Up until today I thought the firefox seo toolbar was unmatched, here I stand corrected.

The SEO quake toolbar will tell you everything about the site you are at including PR, pages indexed by Big SE’s, alexa rank, who is registry, IN and OUT links, and more.

Another great part of this toolbar is the keyword density option, it breaks down all keywords of your page in sets of single or multiple word strings.

Best of all the toolbar is free here http://www.seoquake.com/ .  It can be installed on either IE, or Firefox.  The possibilities are endless for the SEO quake toolbar.  Another way it comes in handy is with keyword research.  It will tell you the search frequency of certain terms that your site is optimized for.

I suggest you run over and pick up SEO quake asap and use it to better your SE rankings.

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