Internal linking is how you tell Google which of your pages matter and how they relate. Done well, it helps search engines crawl and index your content, passes ranking authority to your most important pages, and gives every article context. Most sites leave this on the table: a quarter of web pages get zero internal links. Fixing your internal structure is often the cheapest ranking win available.
You do not need new backlinks or a bigger content budget to move rankings. You need your existing pages to work together. This guide covers why internal links matter, how to write anchor text, hub-and-spoke cluster linking, fixing orphan pages, and how many links is sensible, then walks through a concrete example for a single blog post.
Key Takeaways
- Internal links drive crawling and authority. They help Google discover pages and, per Google’s own link best practices, understand what each page is about.
- Anchor text is context. Descriptive, relevant anchor text beats generic “click here” every time.
- Cluster your content. A hub-and-spoke structure concentrates authority and holds rankings longer than standalone posts.
- Kill orphan pages. Pages with no internal links rarely rank and waste crawl budget.
- Quality over quantity. Aim for a handful of genuinely relevant links per article, not a wall of them.
Table of Contents
- Who This Guide Is For
- Why Internal Links Matter
- Getting Anchor Text Right
- Hub-and-Spoke Cluster Linking
- Finding and Fixing Orphan Pages
- How Many Internal Links Is Sensible
- Example: Internal Links for One New Blog Post
- Common Internal Linking Mistakes
- Frequently Asked Questions
Who This Guide Is For
This is for business owners, marketers and content managers who publish regularly but feel their pages are not pulling their weight in search. If you have a blog full of articles that never quite rank, or a service page you wish ranked higher, internal linking is usually the lever you have not pulled properly yet. No technical background required.
Why Internal Links Matter
An internal link points from one page on your site to another page on the same site. That sounds trivial, but it does three heavy jobs at once, and getting them right is often the difference between content that ranks and content that sits invisible.
Crawling and discovery. Search engines find pages by following links. Pages buried four or more clicks from your homepage are crawled far less often than pages within two clicks, and roughly a quarter of pages in a 2.5 million-link study received no internal links at all, leaving them hard for Google to find. Shallow, well-linked structures get crawled and indexed faster.
Authority flow. Links pass ranking signals, often called link equity or PageRank, from one page to another. When a strong page links to a weaker one, it shares some of that strength. This is why pointing internal links at your key money pages, not scattering them randomly, moves rankings. As Ahrefs explains, internal links distribute PageRank around your site and Google still uses PageRank as a ranking signal. Analysts increasingly find that Google reads internal links as signals of importance and topical relationship, not just raw PageRank.
Context. The anchor text and surrounding content tell Google what the linked page is about. A cluster of related articles all linking to one pillar page signals that the pillar is the authority on that topic. This matters more than ever as search and AI systems try to map how your content fits together.
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Getting Anchor Text Right
Anchor text is the visible, clickable words of a link. It is the single most controllable signal in internal linking, and most sites waste it on vague phrases like “click here” or “read more” that tell Google nothing.
Google’s guidance is clear: good anchor text is descriptive, reasonably concise, and relevant to both pages it connects. If you are linking to a page about SEO packages, the anchor should say something close to “SEO packages” or “our SEO pricing,” not “learn more.” That single habit helps readers know where they are going and helps Google understand the destination.
A few practical rules. Vary your anchors naturally rather than repeating the exact same phrase on every link, keep them short, and make sure the words genuinely describe the target page. Avoid stuffing a keyword into every anchor; write for a human first and the relevance signal follows.
Hub-and-Spoke Cluster Linking
The most reliable internal linking model is hub-and-spoke, also called topic clusters. You create one broad, authoritative pillar page (the hub) and several detailed articles on subtopics (the spokes). Every spoke links up to the hub, the hub links down to each spoke, and related spokes link across to each other where relevant.
This structure concentrates authority around the pillar and signals topical depth to Google. Content organised into clusters tends to earn meaningfully more organic traffic and hold rankings longer than isolated one-off posts, because the pages reinforce each other instead of competing. If you are new to this model, our guide to topic clusters and pillar pages explained breaks down how to plan one from scratch.
The practical takeaway: before you publish anything, know which cluster it belongs to and which pillar it should link to. Random links across unrelated topics do little. Deliberate links within a tight topic do a lot.
Finding and Fixing Orphan Pages
An orphan page is a live page with no internal links pointing to it. Google can struggle to find it, it rarely ranks, and it quietly drains crawl budget. Most sites have more of them than they think, often old blog posts, landing pages or product pages that were published and forgotten.
To find them, crawl your site with a tool like Screaming Frog, Ahrefs or Semrush and cross-reference against your XML sitemap: any indexable URL in the sitemap with zero internal links is an orphan. As Lumar notes, orphaned pages generally perform poorly in search and waste crawl budget that should go to your important content.
The fix is simple: add at least two or three contextual links to each orphan from relevant existing pages, ideally from within its topic cluster. Delete or redirect the ones that genuinely have no purpose. Make this a monthly habit, not a one-off cleanup.
How Many Internal Links Is Sensible
There is no magic number, but there is a sensible range. The common rule of thumb is roughly one contextual link every 150 to 300 words, which keeps links relevant rather than forced.
| Article length | Sensible internal links | Notes |
|---|---|---|
| Under 1,000 words | 2 to 5 | Link to the pillar plus one or two related posts |
| 1,000 to 2,000 words | 5 to 10 | Cover the pillar, sibling posts and any service page |
| 2,000+ words (pillar) | 10 to 20+ | Link out to every spoke in the cluster |
Google can crawl well over 100 links on a page, so the old “150 links maximum” idea is a soft guideline, not a hard cap. The real risk is not a raw number but dilution: cramming in dozens of low-value links spreads authority thin and reads as spam. Every link should earn its place by being genuinely useful to the reader.
Example: Internal Links for One New Blog Post
Theory is easy; the habit is what wins. Say you have just written a new 1,500-word blog post, “How to Do Keyword Research for a New Website.” Before you hit publish, you plan its links in both directions: pages this post should link out to, and existing pages that should link back to it. Here is a realistic map.
| Link direction | Page | Sensible anchor text | Why |
|---|---|---|---|
| Out (to pillar) | SEO services pillar page | “SEO services in Malaysia” | Passes context up to the money page and hub |
| Out (to sibling) | Topic clusters explained | “building topic clusters” | Related subtopic in the same cluster |
| Out (to sibling) | On-page SEO checklist | “on-page SEO checklist” | Natural next step for the reader |
| In (from pillar) | SEO services pillar page | “how to do keyword research” | Hub links down to the new spoke |
| In (from related post) | Beginner’s guide to SEO | “start with keyword research” | Sends authority from an older, stronger post |
Before: the post goes live with links only out to two external tools and nothing internal. It is effectively an orphan, invisible to your cluster and slow to be crawled. After: three outbound internal links place it inside the cluster, and two inbound links from your pillar and an older ranking post pass authority straight to it. The new post now has context, discoverability and a share of your site’s ranking power on day one, instead of waiting months to be noticed.
Repeat this five-link exercise for every post you publish and, within a quarter, your whole blog starts behaving like a connected network rather than a pile of disconnected pages.
Common Internal Linking Mistakes
- Generic anchor text. “Click here” and “read more” waste your strongest context signal.
- Linking only outward. Every new post needs inbound links from existing pages, not just outbound ones.
- Ignoring old content. Your oldest, strongest pages are the best sources of authority for new posts.
- Random, off-topic links. Links across unrelated topics do little; deliberate links within a cluster do a lot.
- Never auditing. Orphan pages and broken links accumulate silently. Check quarterly.
Frequently Asked Questions
What is internal linking in SEO?
Internal linking is the practice of connecting pages on the same website with hyperlinks. It helps search engines discover and crawl your pages, passes ranking authority between them, and uses anchor text to signal what each linked page is about. It is one of the highest-leverage SEO tactics you fully control.
Do internal links actually help rankings?
Yes. Internal links pass authority to the pages they point to and help Google understand which pages matter most on your site. Many ranking gains come from restructuring internal links rather than building new backlinks, because you are directing existing authority toward the pages you most want to rank.
How many internal links should a page have?
A sensible guide is one contextual link roughly every 150 to 300 words, so a 1,500-word post might carry five to ten. Long pillar pages can hold twenty or more. There is no strict limit, but every link should be genuinely relevant rather than added just to hit a number.
What is an orphan page?
An orphan page is a live page with no internal links pointing to it from anywhere else on your site. Search engines struggle to find it, it rarely ranks, and it wastes crawl budget. Fix orphans by adding two or three contextual links from relevant existing pages, or redirect ones with no purpose.
What anchor text should I use for internal links?
Use descriptive, concise anchor text that reflects the destination page, such as “SEO pricing packages” rather than “click here.” Google uses anchor text to understand the linked page, so relevant wording helps both readers and search engines. Vary your anchors naturally and avoid stuffing the same keyword into every link.
What is hub-and-spoke internal linking?
Hub-and-spoke, or topic clusters, means one broad pillar page (the hub) linked to several detailed articles on subtopics (the spokes). Spokes link up to the hub, the hub links down to each spoke, and related spokes link across. This concentrates authority and signals topical depth, helping the whole cluster rank.
How often should I audit internal links?
Review your internal link structure at least quarterly, and add links to every new post as you publish it. A quarterly crawl with a tool like Screaming Frog, Ahrefs or Semrush catches orphan pages, broken links and clusters that have drifted apart before they quietly cost you rankings and traffic.
Get a Free Website Health Check from Newnormz
Understanding internal linking is one thing; knowing whether your own link structure is passing authority to the right pages is another. Our team will audit your internal links, content and technical health, show you exactly what is costing you rankings and enquiries, and hand you a clear, prioritised action plan. No obligation, no jargon.
Request your free SEO audit and website health check, or explore our SEO services in Malaysia.
Related reading: topic clusters and pillar pages explained, the complete guide to XML sitemaps, and our SEO services in Malaysia.
