1. Title
2. Meta Description
3. Keyword
3. Heading
4. Robots.txt
5. XML Sitemap
6. schema.org
7. Mobile Viewport
8. Font Size legibility
9. Languages
10. Structured data markup
11. Analytics
12. Backlinks Score
13. Social Media Engagement
14. Facebook Error
15. Canonical Tag
16. Add a title on tag a
17. microdata
18. Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
19. Eliminate render-blocking JavaScript and CSS in above-the-fold content
20. Minify CSS
21. Optimize images
22. Minify HTML
23. Minify JavaScript
24. The Opengraph meta tags are not set.
25. The Twitter card is incomplete.
26. There are not social plugin within the page.
27. This page has not been promoted enough on facebook.
28. Add the alt in image tags
29. <link rel=alternate media=print href="http://www.<your site>.com/copyrite.html">
30. Testing