Tools

Poodle

http://www.gritechnologies.com/tools/spider.go

Try your domain name, then click the ‘diagnostics view’ when the page loads to see what the Google spider sees.

Search engines will tell you about inbound links to your site, just type in:

e.g.
Google: link: www.uk-plc.net/companyformation
MSN: link: www.uk-plc.net/companyformation

http://www.linkpopularity.com/

http://www.seochat.com has links to a whole bunch of useful tools

http://www.dmoz.org/add.html

Google Toolbar (PageRank)

http://www.seochat.com/seo-tools/pagerank-lookup/

http://www.vaughns-1-pagers.com/internet/google-ranking-factors.htm

http://www.google.com/tools/firefox/toolbar/FT3/intl/en/index.html

Social bookmark sites:

• Del.icio.us
• Digg
• StumbleUpon

http://en.wikipedia.org/wiki/List_of_social_software#Social_bookmarking

Title and ALT tags

http://freeiq.com/alttags