How internal links build topical authority

What internal links do

Internal links connect one page on your site to another. They help search engines discover your pages, understand how those pages relate, and judge which ones you consider most important. Google uses links both to find new pages to crawl and as a signal of relevance, so a clear internal structure is one of the few ranking inputs fully under your control.

They help people too. A reader who finishes one article and sees a well-labeled link to the next logical step is more likely to keep going, and that same path is the one a crawler follows.

Use descriptive anchor text

Anchor text is the clickable text of a link. Google uses it to understand what the target page is about, so make it descriptive and concise.

• Good: "emergency boiler repair" or "how to choose a roofing material".
• Weak: "click here", "read more" or a bare URL.
• Avoid forcing the same exact keyword into every link. Natural variation reads better and describes the page just as well.

Hubs, clusters and topical authority

A hub, or pillar, page gives a broad overview of a topic and links to detailed pages on each subtopic. Those cluster pages link back to the hub and to each other where it helps the reader, which makes the relationship between the pages explicit.

Topical authority is a practitioner term rather than a published Google score. The idea is that covering a subject thoroughly, with well-connected pages, makes it easier for search engines to see your site as a reliable source on that subject.

1. Pick a topic your customers care about and write the hub page.
2. List the questions and subtopics that deserve their own page.
3. Link each subtopic page from the hub with descriptive anchors.
4. Link back to the hub from each subtopic page, and between related subtopics.

Orphan pages, crawl depth and nofollow

Orphan page

A page with no internal links pointing to it. Crawlers may only find it through a sitemap, if at all, and it gets no internal signals. Every page you want found should be linked from at least one other page.

Crawl depth

The number of clicks from the homepage to a page. There is no documented cutoff, but in practice important pages should be a few clicks away, not buried behind long chains of pagination.

Internal nofollow

nofollow is meant for links you do not vouch for, such as paid or user-generated links. On links between your own pages it only obscures the path. If a page should stay out of search, use noindex on that page instead.

Keep navigation as real links. Google can generally only follow a link that is an a element with an href attribute, so menus and buttons that work only through JavaScript click handlers may not be crawled.

<a href="/services/boiler-repair">Boiler repair</a>