SEO tools

https://backlinko.com/seo-tools

https://webmeup.com/
https://www.seoquake.com/
#1:  SEMrush – (17 recommendations)
#2: Screaming Frog – (10 recommendations)
#3: Google Search Console and Moz tied with – (9 recommendations)
#4: Ahrefs – (8 recommendations)
#5: Majestic SEO and BuzzSumo tied with- (4 recommendations)
https://moz.com/tools/seo-toolbar
https://lsigraph.com/
https://buzzsumo.com/
https://www.wordstream.com/free-keyword-tools
https://www.semrush.com/
https://kwfinder.com/
https://www.brokenlinkcheck.com/
https://www.guestposttracker.com/
https://www.google.com/webmasters/tools/mobile-friendly/
https://microdatagenerator.org/
https://seositecheckup.com/
https://varvy.com/tools/
https://feinternational.com/website-penalty-indicator/