Meta Tags Viewer
Meta Tags Viewer - view the meta-tags of a web page

Friendly URL Redirect
Check if your server perform any redirects when a certain URL is accessed and, if so, if the redirect is search engine friendly.

HTTP Headers
HTTP Header - Check what the HTTP Headers the server returns when you access an URL

Keyword Distribution
The Keyword Distribution Tool allows you to check the distribution of a keyword relative to different sections of a page.

Content Ratio
This tool allows you to calculate the amount of actual text content from your pages. Search engines prefer pages with a higher content ratio, so make sure your content ratio is high enough.

Keyword Density
This tool allows you to determine the density and count of a keyword/keyphrase occurance. Having a good keyword density is a key to a good SERP, so watch out the density of keywords you're optimizing for.

Links Extractor
Find out how many internal/external links your page has, and check the pagerank for your internal pages.

Spider View
This tool simulates a search engine spider, by displaying the text of a page that it can see by parsing the html code of the page. Introducing a keyword of keyphrase, the tool will also highlight complete or partial occurances.

Source Viewer
Source Viewer - Fetch the source of a webpage.