Jason Bartholme has a neat posting on pinging search engines sites when your sitemap is updated.

Ted Patrick has blooged about his Flex SEO experiments.

Robots.txt Generator is a handy tool that uses a web form to generate a Robots.txt file for your website. There are lots of options that make the file generation a snap! For those of you wondering, Robots.txt is a very simple text file that is placed on your root directory and tells search engines and other robots which parts of your site they are allowed to visit and index.

The Scrutinizer is an interesting site. It allows you to analyze your site against validators, Accessibility, Alternate Access, site access and load times, Browser Compatibility etc etc.

From the site:"Rather than creating direct links to various validators and link analyzers, one link can be used to submit to all of them. It simplifies the task of figuring out which application needs what type of URL (Domains only/HTTP/No HTTP) and also saves time and space by freeing up the code from unneccessary URLs."

Here's some more help with Google ranking.

This guy thinks so...

Google have recently filed a US patent which reveals a great deal of how they rank your web site. Here are some thoughts on it's content.

John B has some issues with Google ranking.

According to Kay Smoljak, "Search Engine Optimisation Does Matter".

Kay makes a good point...

"A link to a site means absolutely nothing - or even less than that - if the link's anchor text doesn't include the keyword that the site is targeting."

She also links to Roger Johansson's article "Basics of search engine optimisation".

Poodle Predictor lets you see your site like Google does. It simulates search engines and can help predict your Google listings.