Internal links are the connections between pages on the same website. They help visitors move from one idea to the next, and they help search engines discover pages, understand how topics relate and decide which URLs matter most. Unlike backlinks, internal links are entirely under your control, which makes them one of the most practical levers in search optimization.
Why Internal Links Matter
Search engines find most pages by following links. A page with no internal links pointing to it, often called an orphan page, may be crawled rarely or not at all. Links also carry context: the visible text of a link, known as anchor text, gives a short description of what the destination page is about. And because pages that receive many internal links tend to be treated as more important within a site, your linking pattern signals which pages deserve attention.
Start With a Simple Structure
Most sites work well with a hub-and-spoke model. A hub page covers a broad topic, such as local SEO or email marketing. Spoke pages cover narrower subtopics in depth, such as citations, reviews or subject-line testing. Each spoke links up to its hub, the hub links down to every spoke, and spokes link sideways to closely related spokes when it helps the reader.
This structure keeps related content together, keeps important pages within a few clicks of the homepage, and avoids the tangled web that appears when links are added at random.
Writing Good Anchor Text
- Make anchor text descriptive. "Our guide to writing title tags" is more useful than "click here".
- Vary the wording naturally. Repeating the exact same keyword-heavy anchor on every link looks forced.
- Keep it short enough to read as part of the sentence, ideally two to six words.
- Link to the most relevant page, not simply the most popular one.
Where to Place Links
Links inside the main body of an article generally serve readers best, because they appear at the moment the reader may want more detail. Navigation menus, breadcrumbs and footer links are useful for sitewide structure, but they should not replace contextual links. Related-article blocks at the end of a post are helpful when they are curated rather than automatic and unrelated.
Avoid stuffing dozens of links into a single page. There is no fixed limit, but every extra link dilutes attention and makes the page harder to read. A good rule is to link when the destination genuinely adds something.
How to Audit Your Existing Links
A basic audit can be done with a crawler and a spreadsheet:
- Find orphan pages. Compare your sitemap with the set of URLs reached by crawling from the homepage. Anything missing needs links.
- Check crawl depth. Important pages should be reachable within about three clicks of the homepage.
- Review broken links. Replace or remove links that return errors, and update links that point through redirect chains.
- Look at top-linked pages. If your most-linked pages are not your most valuable ones, adjust.
- Match anchors to targets. Make sure the anchor describes the destination accurately.
Linking When You Publish New Content
Every time you publish, do two things. First, add links from the new article to two or three relevant existing pages. Second, go back to older, related articles and add a link to the new one. This second step is the one most teams skip, and it is the one that makes new content discoverable and connects it to the rest of the site.
Keep It Maintainable
Linking structures decay as content is added, retired or merged. Schedule a light review every quarter. When you retire an article, redirect it to the closest replacement and update internal links so they point directly at the final URL.
Internal linking will not rescue thin or unhelpful pages, but for a site with good content it is one of the clearest, cheapest improvements available, and the effects tend to compound as the site grows.