What should do for best SEO on website in 2021?

What should do for best SEO on website in 2021? Please anyone suggest some best technique used in 2021 for best ranking.

Focus on Core Web Vitals!

Agree with user NEO!
Google will roll out the update for the same soon!

Also, optimize website content.

Recollect Google is about what individuals see on portable (i.e., its Mobile First Index). Helpless client experience can be impeding to SEO. Indeed, even with the Mobile First Index, the fundamentals are truly what matter most for rankings: importance, noticeable utilization of catchphrases in page titles, headers, backlinks, and then some.

Leap to Step #3: Create Something Different or Better — With that, here are the means to make a SEO technique in 2021: Step #1: Create a List of Keywords. Step #2: Analyze Google's First Page. Step #3: Create Something Different or Better. Step #4: Add a Hook. Step #5: Optimize For On-Page SEO. Step #6: Optimize For Search Intent. Step #7: Make Your Content Look Awesome.