The SEO optimization checklist for 2020 are those key points that help gain traffic and rank your content:

1- Title tags

  • Title tags should be unique for every page.
  • Keep title tags at 55 characters or less in length, including spaces.

2- Meta descriptions

  • Write compelling meta descriptions including your focus keyword.
  • 150 to 160 characters is the recommended length.
  • Avoid duplicate meta descriptions.
  • Do not use quotes or any non-alpha characters.

3- Content with targeted keyword phrases -

  • Create content that is extremely relevant for that keyword phrase
  • Use your focus keyword at-least 5 times within your content.
  • Avoid plagiarism.
  • Use interlink in your content and at-least one external link.

4- Header Tags or Heading Tags — 

  • Use focus keyword in H1.
  • There only one H1 tag.
  • Use H2, H3 tags if there are multiple sections.

5- Internal linking with anchor text-

  • When linking to another page on the same site from within content, select good anchor text to use in the actual link and do this often.

6- Image ALT tags-

  • Name all of your images in a way that describes what they are
  • Use dashes between the words, rather than underscores
  • Do not use non-alpha characters in your image or file names.
  • Use focus keyword

7- Meta keywords

8- Make your content easy to read

9- Broken Links Errors

10- http to https (Secure Browsing)

11- 301 Redirection

12- SSL Certification

13- Mobile Friendly Test

14- W3C Markup Validation

15- Page Load Speed

16- Google Search Indexing

17- Follow and nofollow attribute