What Is Internal Linking and How Do You Do It Well?

Internal linking is the practice of linking from one page on your website to another page on the same website. It sounds simple, and in principle it is — but it’s one of the most consistently underused and misunderstood elements of both SEO and user experience.

Done well, internal linking distributes authority across your site, helps search engines understand your content hierarchy, and guides visitors to the pages most likely to convert them. Done poorly — or not done at all — it leaves important pages stranded without context or visibility.

Why Internal Linking Matters for SEO

Search engines discover pages primarily through links. If a page on your site has no internal links pointing to it — what SEOs call an "orphan page" — Google may never find it, or may crawl it so infrequently that updates take weeks to be reflected in search results.

Internal links also pass PageRank (link equity) within your site. Your homepage typically has the most authority because it receives the most inbound links from external sources. By linking from your homepage to important service pages, you channel some of that authority to pages that need it.

Anchor text — the clickable words in a link — tells search engines what the destination page is about. Linking to your SEO services page with the anchor text "SEO services in Norwich" is more useful than linking with "click here". Relevant, descriptive anchor text reinforces the topical relevance of the pages you’re linking to.

Building an Effective Internal Link Structure

Start with your site architecture. Your most important pages should be reachable from the homepage in as few clicks as possible. A flat architecture (where most pages are one or two clicks from the homepage) performs better for both SEO and usability than a deep hierarchy (where important pages are buried five levels down).

Create topic clusters. A pillar page covers a broad topic in depth. Supporting cluster pages cover more specific subtopics. Both the pillar and the clusters link to each other, forming a tightly interconnected group of content. This structure signals topical authority to Google and helps users navigate related content naturally.

Review your existing content regularly for internal linking opportunities. When you publish a new page, look at your existing content and add links from relevant older pages to the new one. When you write a new post, link to other posts on related topics. These connections compound over time.

Common Internal Linking Mistakes

Over-using generic anchor text is one of the most common mistakes. "Click here", "read more", and "find out more" tell search engines nothing about the destination page. Replace these with descriptive anchor text that includes relevant keywords where natural.

Creating too many links on a single page dilutes the value passed by each one. There is no official maximum, but a page with 200 internal links is spreading its authority very thinly. Prioritise the most important links and let the page breathe.

Ignoring orphan pages is a serious oversight. Run a regular crawl of your site and identify pages with no internal links pointing to them. These pages are invisible to users who don’t already know the URL, and they receive no link equity from the rest of the site. Add them to relevant navigational structures or link to them contextually from related content.