Internal Linking: The Cheapest Ranking Lever You Are Not Pulling
Link building is expensive, slow and largely outside your control. Internal linking costs nothing, takes effect within a crawl cycle, and is entirely under your control. The asymmetry is remarkable, and yet internal link structure in most content sites is whatever the template happened to produce.
What internal links actually do
They pass authority between pages, they establish which page is the canonical answer for a topic, and they tell a crawler which pages matter by how often and how prominently they are linked. A page nothing links to is a page the site itself is declaring unimportant.
Every link you place is a vote you cast in your own election.
Hub and spoke, concretely
| Page role | Links out to | Links in from |
|---|---|---|
| Hub (pillar) | Every spoke in the cluster | Navigation, homepage, related hubs |
| Spoke (article) | Its hub, two or three sibling spokes | The hub, siblings, newer articles |
| Conversion page | Sparingly, to keep focus | Relevant spokes, at the point of intent |
Anchor text
The anchor describes the destination. That is the whole rule. "Read more" describes nothing. Stuffing an exact-match phrase into every anchor looks manipulated and reads badly. Write the natural phrase a person would use to refer to that page, vary it across links, and put it inside a sentence where the link makes sense as prose.
Click depth
Pages more than three clicks from the homepage receive less crawl attention and less authority. Pagination is the usual culprit: article 200 on page 20 of the blog archive is effectively invisible. Category hubs, curated lists and contextual links from recent articles are all ways to shorten that path.
Link backwards, not just forwards
Every publishing workflow adds links from the new article to old ones. Few add links from old articles to the new one, which is the direction that actually helps the new page. Make it a step in the checklist: identify three existing pages on the topic and insert a contextual link to the new article in each.
An audit you can run this week
Export your pages with their internal inbound link counts and their organic traffic. The interesting rows are the ones with high traffic and few inbound links (under-supported winners) and the ones with many inbound links and no traffic (authority being wasted). Both are fixable in an afternoon of editing.
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