Ultimate firefox plugin which is very important tool when developing the new website.

When you are developing the new website you have to look for SEO tools.That supports on the various purposes such as is as follows

• Yahoo Backlinks
• Yahoo Domain-wide Backlinks
• Pages in Yahoo Index
• Google Backlinks
• Google Cache
• Pages in Google index
• Google Translate to English
• Google Related
• PageRank Check
• Bing Backlinks
• Pages in Bing Index
• Alexa Overview
• Alexa Backlinks
• “Mass Check” multiple sources at once
• Check DMOZ Inclusion
• Keyword Density
• Page Load Speed & Size Check
• Quarkbase Search
• Compete Analytics
• HTML Validator
• Server Header Viewer
• Wayback Machine
• Check robots.txt
• Whois Info

SEOpen features are accessed through right-clicking an open area on a web page or by using the included toolbar.

This is very useful tool for any webmasters

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