For all of you affiliates using Firefox as a browser and SEO as an active strategy in your marketing efforts, there are a few good plugins to help you out.

One of those is SEOpen:

Current SEOpen features are all accessed through right-clicking an open area on a web page or by using the new toolbar; they include:

  • Yahoo Backlinks
  • Pages in Yahoo Index
  • Google Backlinks
  • Google Cache
  • Pages in Google index
  • Google Translate to English
  • Google Related
  • PageRank Check
  • MSN Backlinks
  • Pages in MSN Index
  • Alexa Overview
  • Alexa Traffic
  • Alexa Related
  • Alexa Backlinks
  • “Mass Check” multiple sources at once
  • Check DMOZ Inclusion
  • Keyword Density
  • Page Size Checker
  • HTML Validator
  • Server Header Viewer
  • Wayback Machine
  • Check robots.txt
  • Whois Info

Planned for future versions:

  • Yahoo & MSN Cache
  • Spider Simulator and/or Text Browser view
  • IP-based SEO tools
  • Toolbar Option

Nothing like an easy tool to help you out in your browsing around on your own sites or competitor sites!