1. SEOmoz (http://www.seomoz.org/) : This is a great site for evaluating some key online analytics including page strength, keyword difficulty, crawl test and term targeting.
2. PPC for Hire (http://www.ppcforhire.com/semtools.html) : This site includes key SEO tools from around the web.
3. SEO-Browser (http://www.seo-browser.com/ ) : http://www.seo-browser.com/ SEO-Browser allows visitors to view their website the way search engines do.
4. Compete Tools (http://tools.compete.com/ ): The toolbar available from Compete Tools takes less than a minute to download and can provide helpful feedback on your site’s traffic as well as your competitors’.
5. IP Tools ( http://www.iptools.com/ ) : The information available at IP Tools is an invaluable way to resolve IP addresses to physical location and infrastructure issues.
free
tools
seo