What is Internal Linking?

On this page

Definition
Simple explanation
Why it matters
How it works
Real examples
Advantages
Limitations
Misunderstandings
Related terms
Used in reviews
FAQs
TTML perspective
Conclusion

Definition

Internal linking is the deliberate use of hyperlinks connecting pages within the same website, used to guide navigation, distribute authority and clarify the site's topical structure.

Simple explanation

A website with no internal links is like a library with no signage between sections — every book might be valuable, but visitors and search engines alike struggle to find their way from one relevant page to another.

Internal linking fixes this by explicitly connecting related pages: a guide to budgeting might link to a related tool comparison, which links back to a glossary term, forming a navigable structure rather than a pile of disconnected pages.

Why it matters

Search engines use internal links to discover new pages and to judge which pages a site considers important — pages with more internal links pointing to them are generally treated as more significant.

For readers, good internal linking increases time on site and helps them find the exact answer or next step they need, which supports both user experience and topical authority.

How it works

1
Map relationships
Identify which pages on a site are topically related to one another.
2
Link contextually
Add links within the body content where they are genuinely useful to the reader, not just in menus.
3
Use descriptive anchor text
Link text should describe the destination page's topic, not generic phrases like 'click here'.
4
Prioritise important pages
Give the most valuable pages more internal links from across the site.
5
Audit regularly
Fix broken internal links and add links to newly published content.

Real examples

Products named for illustration only. Inclusion is not an endorsement.

Glossary hub pages
Link out to individual term pages, and term pages link back to related terms.
Product comparison articles
Link to individual in-depth reviews of each product mentioned.
Category pages on e-commerce sites
Link down to individual product pages and up to broader category hubs.
Cornerstone content strategy
Deliberately links many supporting articles toward one flagship guide.

Advantages

Helps search engines discover and prioritise important pages.
Improves reader navigation and time on site.
Reinforces topical structure and relevance signals.
Costs nothing beyond editorial time to implement.

Limitations

Overloading a page with links dilutes the value of each individual link.
Poorly planned linking (e.g. only via navigation menus) has limited effect.
Requires ongoing maintenance as content is added or removed.
Cannot substitute for genuinely relevant, well-written content.

Common misunderstandings

Claim
More internal links are always better.
Reality
Relevance matters more than volume — irrelevant or excessive linking can hurt usability and dilute signal.
Claim
Navigation menus alone count as sufficient internal linking.
Reality
Contextual links within body content carry more topical relevance than generic menu links.

Frequently asked questions

How many internal links should a page have?

There is no fixed number — the right amount is however many are genuinely useful to the reader.

Does internal linking help with new pages?

Yes — linking to new pages from established ones helps search engines discover them faster.

What anchor text should I use for internal links?

Descriptive text that reflects the destination page's topic, avoiding generic phrases like 'read more'.

Can internal linking fix crawl budget issues?

It can help by making important pages easier to discover, though it does not resolve duplicate content issues on its own.

Should every page link back to the homepage?

Not necessarily — links should reflect genuine topical relationships, not a fixed pattern.

The Tool Money Lab perspective

We build internal linking plans alongside content calendars, so that new articles are linked into the existing structure from day one rather than left orphaned.

We favour a small number of highly relevant contextual links over a long list of tangentially related ones — quality of connection matters more than quantity.

Conclusion

Internal linking connects a site's pages into a navigable, understandable structure that benefits both search engines and readers.

It is one of the lowest-cost, highest-control levers in SEO, since it depends entirely on editorial decisions rather than external factors.