Really interesting and definitely worth reading the entire article.
1. Speed/Load-time optimization
2. Configure critical WordPress SEO plug-ins
3. Configure critical social plug-ins for WordPress
4. Write unique and in-depth content
5. Rich snippets. Please!
6. Authorship with Google+ is the future
7. Commenting is the new SEO
8. Keep updating the (old) content
9. Be a community person!
10. On-page website structure