If on page SEO is what you say about yourself, off page SEO is what everyone else says about you. Search engines trust the second one more, which is exactly why it is harder to earn.
The short version
Off page SEO is the practice of building your site's authority and trust through signals that happen outside your own website, primarily backlinks from other sites, brand mentions, and reputation.
What it includes
Backlinks from credible, relevant websites
Brand mentions, even unlinked ones
Digital PR and being cited as a source
Reviews and reputation signals across the web
Why it is hard and worth it
You cannot fake genuine authority, which is the point. Earning links and mentions from sources people already trust is slow, but it is also what separates a page that ranks from a page that just exists.
FAQ
Are backlinks still important in 2026?
Yes. They remain one of the strongest trust signals, though quality and relevance matter far more than raw quantity.