Click a link, land on a different website, and you just followed an external link.

An external link is a link from your page to a page on another website or domain. It might point to a study you cited, a tool you recommended, or a video that adds useful context. The opposite is an internal link, which points to another page on your own site.

External Links Explained: How They Benefit Your Blog - YouTube thumbnail

Adding an outbound link does not create an automatic ranking boost. Google does, however, recommend linking to other sites when it makes sense, especially when a source helps readers verify a claim or understand the context.

So why bother?

Because a claim with a source behind it is a different kind of claim. When you write that something increased conversions by 30%, the link is what separates you from every other blog asserting the same number with nothing underneath it. Readers can check. Most will not, and it still matters that they could.

There is a practical payoff too. Clear sourcing makes a page easier for readers, journalists, and AI systems to verify and cite. That is not the same as a direct ranking boost, but it makes the content more useful and trustworthy.

  1. Link to the actual source, not to someone describing it. If a statistic came from a study, link the study. Linking a blog post that mentions the study is how a number ends up three citations away from anything real.
  2. Make the anchor text describe the destination. “Click here” tells nobody anything. Naming the thing helps readers decide whether the trip is worth it, and helps screen readers announce it usefully.
  3. Do not avoid competitors on principle. A normal contextual link does not hand another site your rankings. When a competitor genuinely has the best source or explanation, link it and explain why it is useful.
  4. Qualify special links correctly. Use rel="sponsored" for paid or affiliate links and rel="ugc" for user-submitted links. nofollow remains an option when those values do not fit and you do not want Google to associate your site with the destination.
  5. Think twice before forcing a new tab. It is common practice, and it also takes a decision away from the reader and breaks the back button. If you do it, do it consistently rather than at random.
  6. Recheck your links now and then. Sites move, redirect, and die. An old post full of dead links reads as abandoned, whatever the writing is like.

The Short Version

External links do not provide an automatic ranking lift. They make your writing checkable, help readers continue their research, and give proper credit to your sources.

Link to the best source you can find, describe it honestly in the anchor text, and do not skip one because it belongs to a competitor. If you are still working out how to stand out in a busy niche, being the writer who actually shows their sources is a real advantage.