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What is an internal link?

An internal link is a hyperlink that points from one page of a website to another page on the same domain. Internal links tell search engines how the pages of a site relate to each other, pass authority between them, and help visitors move through the content. They are the one ranking factor you control completely, because no other website has to agree to them.

Internal link: how internal linking connects pages on the same domain and passes authority

An anchor link is a special kind of internal link. It does not point to a whole page but to a specific section within one, which is why anchor links are also called jump links. To link to a particular element, that element needs a unique ID that appears only once on the page.

An anchor link to a heading looks like this:

<h2 id="anchor-links">Anchor links</h2>

And the link pointing to it looks like this:

https://taismo.de/en/what-is/internal-link/#anchor-links

Internal links matter for SEO for two reasons. Google’s crawler follows every link it finds, unless the link carries a nofollow attribute. When many pages of a site point to one particular page, Google reads that as a signal of importance and ranks that page higher.

Internal links also distribute authority. A page that earns backlinks passes part of that value on through its internal links, which is how a strong article lifts the money page it points to.

External links point to pages outside your own domain. Internal links stay within your own site. Both count, but only internal links are fully under your control: You decide which page receives them, how many, and with which anchor text. Browse the full SEO glossary for the terms that connect to this one. Internal linking is one of the levers we keep working on as part of our SEO services.

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