What are the most important Google ranking factors?

It's subjective, there is not 1 definitive answer. But for me, these are the ranking factors most likely to fall into most SEOs lists.

Content Optimization
Backlinks
Mobile first
Page speed
Schema code
Brand power and social signals
Domain power
HTTPS
User experience

most important is the content

Meta Title, Description, Robots.txt, Sitemap.xml are basic on-page SEO ranking factors.

The most important Google ranking factors are:

- Content
- Website design
- Website loading time
- Backlinks