Want to know what are the trending SEO concepts in 2021? Here are the top 5 SEO concepts from Core Web Vitals to the Knowledge Graph, semantics, and entities. Take a look at those 5 SEO concepts for 2021.

  1. Core Web Vitals
  2. Mobile-First Indexing
  3. Machine Learning and Automation
  4. E-A-T
  5. Knowledge Gap, Semantics, and Entities