This a group of tests and tools for checking your website’s health.
1. Speed test
http://www.webpagetest.org
http://tools.pingdom.com/fpt/
2. Code check
http://validator.w3.org
3. Online blacklist checker
http://www.webhostinghub.com/support/tools/online-blacklist-checker
4. Pagerank checker. A grade of 0 is poor and 10 is wonderful (logarithmic scale)
http://www.prchecker.info
5. Malware checker – Are you spreading bad karma?
http://sitecheck.sucuri.net/scanner/
6. Search words – These are the keywords you are found for(if any) – Are you reaching people searching for the right terms?
www.google.com
7. Pick your search keywords – Are you found online for what you do.. Check here for what you should be targeting
https://adwords.google.com/o/Targeting/Explorer?__c=1000000000&__u=1000000000&ideaRequestType=KEYWORD_IDEAS
8. Who owns your domain name or websites you compete with
http://www.who.is