Inspired by a post at DailyBlogTips, I developed a nice SEO tool: a Supplemental Index Ratio Calculator.
Check it out and let me know what you think about it

It may be useful to change the title of your posts after they have been published, to better target the search terms used to find your page.

Basic technical background required for seoing

Pagerank explained for dummies, with links to useful online resources.

Thoughts about the recent update in google algorithms to remove google bombs

How does a search engine select the pages to show for a given query? How a specific query is processed? How does a search engine finds the pages online?
This article briefly explains how a search engine works

Even a small blogger can have huge benefits from SEO strategies

Definition and explanation of what SEO is

The Ultimate Google Guide can help you to improve your search results and SERP analysis.

article about google blocking advanced search requests marking them as spyware or spammy