Checking General Website SEO Health
- Panguin Tool – Asses your Google organic visit data overlaid with Google’s major algorithm updates, to see if you are a victim of Google’s algorithms
- Search Engine Spam Detection
- Screaming Frog SEO Spider Tool – The free version is well worth downloading, you will be surprised what can see with this tool, too much to list here.
- SEO Site Checkup
- SEO Page Check – Submitted pages are run through multiple SEO tests/tools; actionable reports generated
- Feed the Bot – Learn about your webpages, how Google sees them, and how to improve them.
Back Links Checker
Domain Authority Checker
Free Keyword Research Tools
Keyword Density Checker
- Keyword Density Checker – The Keyword Density Analyzer tool is useful for helping webmasters achieve optimum keyword distribution.
Duplicate Content Detection
Tools for Optimizing Website Loading Speed
Tools to check Backlinks
Tools to check your server
If you know other free SEO tools that you have had success with and should be add to this list please leave it in the comments below and I will research it and maybe add it to the list.