If you run an exchange server and have trouble keeping off blacklists, this is a great site to check out – they have news about all the popular DNSBLs and some great articles about keeping your server off of blacklists – definitely worth checking out!
http://www.websiteoptimization.com/services/analyze/
This is a great tool that puts another light on search engine optimisation – as most people will know, Google has recently confirmed the completion of its new search index – Google Caffine, which takes the speed of a website much more seriously. The link above will take you to a great (and free) online [...]
This is a great bit of information I came across recently which describes the default formating of elements in HTML4 – it came in handy for me today as I had a heading set up as H3 – but I wanted to change this to a span (for SEO purposes) without loosing the current formating. [...]