What is the best strategy for SEO backlinks?

Quality over quantity. Guest post on relevant sites, create linkable assets. No sketchy PBNs or bought links - they'll harm you.

Create quality sites and blog posts that people will want to naturally link back to

Quality backlinks are definitely key! Focus on getting links from relevant, authoritative sites in your niche. Guest posting on respected blogs can work well. And don't forget about creating your own linkable assets like original research, visuals, tools, etc. that others will want to link to naturally. Avoid sketchy tactics like PBNs or paid links - they can really harm your SEO in the long run. Play the long game and earn those quality links!

Create Quality links and get links from low spam score high da and good traffic.