Use this Keyword Difficulty Check Tool to see how difficut it would be to rank for specific keywords, or keyword phrases.
http://www.seologs.com/keyword-difficulty.html
Archive for May, 2007
Link Equity Explained
A look under the hood: link equity explained.
Website Speed Test
Here is an easy tool that tells you how fast your page loads (among other things): Website Speed Test
Other features include backlink checker (with PR), future PageRank.
Validate XML
If you want to validate a XML file here are a few tools:
Sender Policy Framework (SPF)
Prevent others from sending spam using your domain name.
Frequently asked questions about SPF:
http://spf.pobox.com/faq.html
Check SPF records:
http://www.dnsreport.com/
http://www.anti-spamtools.org/SenderIDEmailPolicyTool/Default.aspx
http://www.dnsstuff.com/pages/spf.htm
