Which SEO activity nowadays is better for better ranking?

[RH-Calvin]

The best on page and off page activities that help to rank your website higher in search engines are:

1. On page:
Keyword research
Meta tags and title
Meta description
Robots.txt file
Sitemap generation
Content development
Image optimization

2. Off page:
Guest posting
Article submission
Press release submission
Social bookmarks
Classified ads
Infographics submission
Social media optimization