Internal linking is how the pages on your own site point at each other. It is the least glamorous item on any SEO checklist. It is also one of the very few you control completely, with no outreach, no budget, and nobody else’s permission required.

Internal Linking 101: Easy SEO Boost - YouTube thumbnail

What Is Internal Linking?

An internal link goes from one page on your site to another page on the same site. An external link points somewhere you do not own. That is the whole distinction.

Two things happen when you add one. Google follows it. That is largely how your pages get found, and how importance moves around your site. A reader gets somewhere obvious to go next, right when they were already interested.

Why They Matter More Than People Think

Unlike links from other websites, internal links are entirely yours to place. That makes them the cheapest lever in SEO, and the most neglected.

A page nothing links to is an orphan. Google may never find it, and readers certainly will not stumble across it. Meanwhile the pages you link to most often are the ones you are telling Google matter most, whether you meant to send that signal or not.

Cyrus Shepard’s Zyppy team studied 23 million internal links across roughly 1,800 sites, matched against Search Console clicks. Pages with at least one exact-match anchor pointing at them had over five times the traffic of pages without. Variety mattered too. The more distinct phrases pointed at a page, the more traffic it tended to get. That is correlation, not proof, and the study says so itself. It is still the right direction to aim in.

How to Do It Well

  1. Say what the page is about in the anchor text. If a post targets “content marketing examples,” link to it with that phrase at least once. The old worry about repeating a phrase internally does not hold up. That fear was borrowed from backlink over-optimization, a different problem entirely.
  2. Then vary the wording elsewhere. Exact match once, natural variations after that. Both correlated with more traffic, so there is no trade-off to agonise over here.
  3. Link from your strongest pages, not just your newest. Most people add links going forward and never revisit. The bigger win is usually opening an old post that already gets traffic and pointing it at something newer.
  4. Every new post should point at two or three older ones. Make it part of publishing rather than a project you schedule for someday.
  5. Do not force it. A link the reader would not want is just noise. No known penalty applies to a few extra, though the Zyppy data showed returns flattening past roughly 44 on a page.
  6. Go find your orphans. Crawl the site and list every page with nothing pointing at it. Fix the ones you actually care about. It is a slow afternoon, and usually the highest-value linking work available.

WordPress users can try a plugin like Link Whisper, which scans your posts and suggests places a link would fit. The suggestions need judgment applied, but it beats searching your own archive by memory.

RightBlogger can pull internal links from your connected site while it drafts, so new posts arrive already pointing at relevant older ones instead of needing a manual pass afterwards.

The Short Version

Internal linking takes a couple of minutes per post and compounds for years. Name the destination clearly in the anchor, link from strong pages as well as new ones, and go rescue whatever is sitting there with nothing pointing at it.