SEO Bulletin

Here is a list of validators and checkers from WDG: Validators and Checkers

Google Base is a place where you can add all types of information that we’ll host and make searchable online.

You can describe any item you post with attributes, which will help people find it when they search Google Base. In fact, based on the relevance of your items, they may also be included in […]

What does this tool do? This tool analyzes a web page, searching for characteristics that search engines could consider spam. If you don’t know what “search engine spamming” means or if you want to know how this tool works, you can read the Spam detector FAQ.

http://tool.motoricerca.info/spam-detector/

Here is a link to a page where the author gives his interpretation of Historical Data and Google Ranking:
http://news.stepforth.com/whitepaper/google-patent-may05/google-whitepaper.php

Here’s a few links on information about PreSell pages:

http://forums.searchenginewatch.com/showthread.php?t=530
http://www.threadwatch.org/node/1818
http://www.stuntdubl.com/index.php?p=177
http://www.seobook.com/archives/000710.shtml
http://www.linkadage.com/linkadage-info/newseo.htm
http://www.insideoutmarketing.com/index.php?p=pages&pid=8