1. Google Search Console
2. Screaming Frog
3. Lighthouse Chrome
4. Structured data testing tool
5.
Webpagetest.org
6. Kraken.io
7. TinyPNG
8. Ahrefs free tools
9. Ubersuggest
10. Keywords everywhere
11. What’s my SERP
12. Mozbar
13. SERP Simulator
14. Check my links Chrome Extension
15. Link explorer By Moz
16. Redirect Path Chrome Extension