SEOpen provides some tools to help with optimizing the search engine, including google backlinks, yahoo backlinks, PageRank check, http header viewer.

All features are available by right-clicking on an open area of a web page, or by using the included toolbar.

Here are some key features of "SEOpen":

· 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

Requirements:

· Firefox: 1.5 - 2.0.0