Give me most powerful SEO tips from your experience in a sentence , please..

The best time to plant a tree was 20 years, the second best time is today.

Max out your lighthouse score

Optimise your page but DON’T think like an seo professional would bcoz their seo is slow but think how a business owner would want his/her pages as robust as possible and seo will be a lot faster.

Treat SEO like planting seeds. if you focus on quality planting you'll have strong roots and when you water that content it'll grow!