Hey Haytam, I recommend this website https://backlinko.com/hub/seo and check his blog very very useful

Wow Soufiane, Thanks a lot for your help, I will look through them one by one, I did research as well and I found this website: https://learningseo.io/ , A complete roadmap with the links for some verified resources.

SEO 2021: Learn search engine optimization with smart internet marketing strategies

SEO Like I’m 5: The Beginner’s Guide to Search Engine Optimization https://www.amazon.com/SEO-Like-Im-Beginners-Optimization-ebook/dp/B00M6RPH5S/?tag=buyersguide0a-20

The Art of SEO: Mastering Search Engine Optimization https://www.amazon.com/Art-SEO-Mastering-Search-Optimization/dp/1491948965/?tag=buyersguide0a-20