Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
Rated 4 out of 5 stars
If you are an SEO and you need focused and reliable data fast then this is the app for you.
It is NOT in-depth or an explanation of what you should do and why, but as a professional you don't need that (!)
Well worth using, especially for Keyword Research and PageRank.