Internal linking is one of the easiest SEO opportunities to overlook.
It is also one of the first things I look at when I start working on a website.
An internal link is simply a link from one page on your website to another page on the same website.
That sounds basic.
But when internal links are used strategically, they can help search engines discover content, understand how pages relate to one another, identify important pages, distribute internal authority, and make sense of the overall structure of your website.
They also help real visitors move naturally from one useful resource to another.
And for a business website, that often means guiding someone from an informational article toward the service, location, product, or conversion page that can actually help them.
I’ve worked in SEO for more than 20 years, and internal linking is something I pay close attention to on both my own website and my clients’ websites.
Best of all?
You control it.
You don’t have to wait for another website to discover you.
You don’t have to earn a backlink first.
You can improve your internal-linking structure using pages you already own.
Quick Answer: Why Are Internal Links Important for SEO?
Internal links help search engines:
- Discover pages
- Understand relationships between content
- Recognize website hierarchy
- Identify important pages
- Distribute internal link equity
- Connect supporting content with service pages
- Understand topical relationships
- Discover older or deeper pages
They can also help visitors navigate your website and move toward pages that are more closely connected to your business goals.
Internal linking should not be treated as something you add at the end of an article just to check an SEO box.
It is part of the architecture of the website.
What Are Internal Links?
Internal links are hyperlinks that connect one page of your website to another page on the same domain.
For example, if I write about Local SEO and mention Google Maps visibility, I may link that phrase to my guide explaining how to rank higher in Google Maps.
That is an internal link.
Internal links can appear in many places:
- Navigation menus
- Footers
- Breadcrumbs
- Related-post sections
- Service-page content
- Blog articles
- Location pages
- Calls to action
Some of the most valuable internal links, however, are contextual links placed naturally within the body of a page.
Those links provide additional information to the visitor while also establishing a relationship between the two pages.
How Internal Links Help Search Engines Understand Your Website
Imagine walking into a library where every book has been placed randomly on the floor.
The information may be excellent.
But finding anything would be difficult.
A website can have the same problem.
You might have dozens or hundreds of useful pages, but if they are poorly organized and barely connected, it becomes harder to understand how everything fits together.
Internal links create those connections.
For example, suppose a personal injury law firm has a primary car accident service page.
That firm might also publish articles about:
- What to do after a car accident
- How insurance claims work
- Uninsured drivers
- Common car accident injuries
- How long a claim may take
- What evidence to collect
Those articles can naturally link to the primary car accident service page and to other closely related resources.
Now the website does not simply contain a pile of unrelated URLs.
It contains a connected topic cluster.
Why I Usually Strengthen Internal Links Before Building Backlinks
When I begin working with a new SEO client, people often ask me:
“How many backlinks do we need?”
Backlinks absolutely matter.
But before I focus heavily on acquiring authority from other websites, I want to make sure the authority already inside the website is being used intelligently.
Think of it like pouring water into a bucket with holes.
Adding more water may help temporarily.
But fixing the holes makes everything you add afterward more valuable.
That is how I think about internal linking.
Before investing heavily in backlinks, I want to know:
- Which pages matter most to the business?
- Which pages already have authority?
- Are service pages buried?
- Are strong older articles supporting newer pages?
- Are important pages orphaned?
- Is internal authority flowing toward pages that generate leads?
- Are several pages competing for the same topic?
Strong internal linking helps a website make better use of the authority it already has.
And when you later earn backlinks, a better-organized internal structure can help that authority support other relevant pages throughout the site.
Can Internal Links Pass Authority?
Internal links can help distribute link equity from one page on your website to another.
This becomes especially useful when you have an established page that already has:
- Backlinks
- Organic traffic
- Search visibility
- Search impressions
- Years of history
- Strong internal support
If that page contains a relevant link to another important page, you create a pathway between them.
That is why I frequently review older successful content when working on SEO.
Instead of only asking:
“How can I get more backlinks to this new page?”
I also ask:
“Which strong pages on this website should already be linking to it?”
That is often one of the easiest opportunities available.
Use Internal Links to Strengthen Service Pages
For a business website, this is one of the most important uses of internal linking.
Your blog should not exist separately from the pages that actually generate business.
Informational content should naturally support relevant commercial pages.
For example, my website contains educational resources about:
- SEO strategy
- Local SEO
- Google Maps
- Keyword research
- Backlinks
- Blogging
- AI search
- Search intent
- Website structure
When appropriate, those articles can direct visitors toward my primary SEO services or another relevant service page.
That creates a logical path.
Someone may first discover my website because they are trying to understand why their rankings dropped.
They may read another article about keyword targeting.
Then another about internal linking.
Eventually they may decide:
“I don’t want to manage all of this myself.”
At that point, moving from educational content to a relevant service page makes sense.
That is good SEO and good user experience working together.
Prioritize the Pages That Matter Most to the Business
Not every page on your website has equal business value.
Some pages educate.
Some pages attract backlinks.
Some pages answer questions.
Some pages build trust.
And some pages are directly connected to revenue.
I think of those high-value commercial pages as money pages.
Examples include:
- Primary service pages
- Location landing pages
- Product-category pages
- Consultation pages
- High-intent commercial pages
When I review internal links, I want to make sure these pages are not buried.
Relevant informational content should support them.
For example:
Google Maps article → Local SEO service page
Local keyword research article → Local SEO service page
Search intent article → primary SEO services page
Location-supporting article → primary location page
This does not mean linking every article to every service page.
The relationship should be logical.
But if a page generates revenue and almost nothing on the website links to it, I want to fix that.
What Anchor Text Should You Use?
Anchor text is the clickable text inside a hyperlink.
For example:
Read my guide to local keyword research.
The phrase “guide to local keyword research” is the anchor text.
I generally prefer descriptive anchor text because it helps the reader understand what they will find on the destination page.
Examples might include:
- local keyword research
- how to rank higher in Google Maps
- why SEO results take time
- Local SEO services
- technical SEO audit
Less descriptive anchors include:
- click here
- read more
- this page
- more information
Generic anchor text is not automatically bad.
Sometimes it fits naturally.
But when I have the opportunity, I prefer wording that gives useful context.
Should Every Internal Link Use the Same Exact Keyword?
No.
You do not need every link to your primary SEO page to say:
SEO company San Diego
Natural variations may include:
- my SEO services
- SEO company in San Diego
- professional SEO help
- San Diego SEO services
- working with an SEO expert
The link should make sense to a human reader first.
How Many Internal Links Should a Page Have?
There is no universal number.
A 600-word article may only need a few.
A detailed 4,000-word guide may naturally contain many more.
The better question is:
Does this link help the reader or establish a meaningful relationship between these pages?
If yes, add it.
If you are forcing links into every paragraph because someone told you every page needs exactly five internal links, you are probably approaching it the wrong way.
Internal Linking and Topical Authority
Internal linking becomes especially valuable when you are building depth around an important topic.
Suppose you are a financial advisor.
Your website might contain a primary retirement-planning service page along with supporting content about:
- Retirement income
- Social Security
- Required minimum distributions
- Tax-efficient retirement strategies
- Long-term care
- Estate planning
Those pages should not exist as isolated articles.
They are related.
Strategic internal links can help establish those relationships.
That is one reason I focus heavily on topical authority.
Topical authority does not mean publishing dozens of nearly identical articles.
It means building useful, interconnected resources around subjects your business genuinely wants to be known for.
Learn more about topical authority and SEO.
Don’t Forget to Link From Older Content
This is one of the biggest opportunities I see on established websites.
Let’s say you publish a new service page today.
You link from that page to several older articles.
Great.
But don’t forget the reverse.
Go back to relevant older content and add links to the new page.
Older articles may already have:
- Backlinks
- Organic traffic
- Rankings
- Search impressions
- Years of history
Those pages may currently be stronger than the new one.
Do not leave a new service page sitting by itself waiting for Google to figure out where it fits.
Connect it to your existing content ecosystem.
This becomes especially valuable on websites with years of blog content.
Find and Fix Orphan Pages
An orphan page is a page with few or no meaningful internal links pointing to it.
These pages are easy to forget about.
You may have published an excellent resource several years ago, but if nothing on the site links to it anymore, visitors may rarely discover it naturally.
Important pages should have clear internal pathways.
I pay particular attention to:
- Service pages
- Location pages
- High-value evergreen articles
- Case studies
- Conversion pages
- Newly published content
If a page matters to the business, don’t leave it stranded.
Common Internal Linking Mistakes
Linking Everything to the Homepage
Your homepage is important.
But every internal link does not need to point there.
Deep links to specific service pages, location pages, guides, and related resources are often more useful.
Using “Click Here” Everywhere
When possible, use descriptive wording so visitors understand where the link leads.
Only Adding Links to New Content
Go backward too.
Older pages can be some of your best internal-linking assets.
Creating Orphan Pages
Important pages should have internal links pointing to them.
Linking to Irrelevant Pages
Do not add a link simply because you want to push authority toward another URL.
There should be a genuine relationship.
Repeating the Exact Same Anchor Text Constantly
Natural anchor-text variation usually makes more sense than forcing the same phrase into every link.
Leaving Broken Internal Links
When URLs change or pages are deleted, old internal links can break.
Periodically check for 404s and update links when needed.
Creating Too Many Similar Pages
Sometimes an internal-linking problem is actually a content-strategy problem.
If you have five or six pages targeting nearly the same search intent, deciding which URL deserves the strongest internal support becomes difficult.
That may be a sign that those pages should be consolidated.
Linking Every Mention of a Keyword
If the phrase Local SEO appears ten times on one page, you do not need to link every occurrence.
One or two useful contextual links may be plenty.
How I Audit Internal Links
When I review internal linking, I generally work through the site in this order:
1. Identify the Most Important Pages
Which pages generate leads, sales, consultations, bookings, or other meaningful conversions?
2. Identify Supporting Content
Which existing pages naturally relate to those important URLs?
3. Review Existing Internal Links
Are the supporting pages actually linking to the primary page?
4. Check Anchor Text
Are links descriptive, useful, and natural?
5. Find Underlinked Pages
Which important pages receive very few internal links?
6. Review Older Strong Pages
Which older pages already have authority, traffic, backlinks, or visibility that could support newer pages?
7. Find Broken Links and Orphan Pages
Are important pages difficult to reach?
8. Check for Cannibalization
Are several pages unnecessarily targeting the same topic or intent?
9. Strengthen the Pages Closest to Revenue
Do the pages most important to the business receive appropriate internal support?
On larger websites, crawling tools can make this process much easier.
But you do not necessarily need complicated software to start.
Open one of your most important pages and ask:
“Which existing pages on this website should logically be linking here?”
That question alone can uncover a surprising number of opportunities.
Do Internal Links Matter for AI Search?
AI-powered search has changed how people discover information.
It has not made good website architecture irrelevant.
Internal links help establish relationships between pages and make a website easier to navigate and understand.
For example, my own site includes interconnected content about:
- SEO strategy
- Local SEO
- Google Maps
- Keyword research
- Search intent
- Backlinks
- Topical authority
- AI SEO
- Website structure
Together, those pages create a clearer picture of what my website and business are about.
Internal links are not a magic switch that makes ChatGPT, Google AI Overviews, or another AI platform recommend your website.
I would never promise that.
But a well-organized website with clear topical relationships is something I want whether a visitor arrives from Google, Maps, ChatGPT, an AI-powered search experience, or another source.
Internal Links vs. Backlinks
Internal links and backlinks are not the same.
Internal links connect pages within your own website.
Backlinks are links to your website from another domain.
Both can support SEO, but they serve different purposes.
Internal links help organize and distribute authority within your website.
Backlinks can bring external authority, referral traffic, and other signals from outside your website.
I use both.
But I usually want the website organized properly before investing heavily in external link building.
Good internal linking helps make better use of the authority your website already has and gives future backlinks a stronger structure to support.
If you want to learn more about external links, read my guide on how to get other websites to link to yours.
My Internal Linking Strategy for SEO Clients
I do not randomly sprinkle links throughout a website.
I start with the pages we actually want to rank and generate business.
These are usually:
- Primary service pages
- Location pages
- Important product or category pages
- High-intent conversion pages
Then I look at the content surrounding those pages.
I ask:
- What questions do customers ask about this service?
- Which relevant articles already exist?
- Which pages already have backlinks?
- Which pages already receive organic visibility?
- What supporting content is missing?
- Which older pages should link into this topic?
- Are multiple pages competing for the same keyword intent?
From there, I build logical pathways.
For example:
Supporting Article → Primary Service Page
Supporting Article → Related Article → Primary Service Page
Older Authoritative Content → New Relevant Content
Location Article → Primary Location Page
Service Page → Helpful Supporting Resources
That is very different from saying:
“Put five internal links in every blog post.”
Internal linking should reflect the actual relationships, priorities, and architecture of the website.
Internal Linking Is One of the Easiest SEO Opportunities to Miss
One reason I like internal linking is that you don’t need anyone else’s permission to improve it.
You don’t have to email another website.
You don’t have to wait for someone to mention your business.
You already own the website.
And you may already have years of useful content.
Sometimes the opportunity is simply connecting those pieces more intelligently.
If your website has been around for years, I would especially recommend reviewing your older pages.
You may have valuable content sitting there with outdated links—or no links at all—to newer services, locations, case studies, or resources.
That is one of the first places I look for SEO opportunities.
Frequently Asked Questions About Internal Linking for SEO
What is an internal link in SEO?
An internal link is a hyperlink from one page of your website to another page on the same domain. Internal links help visitors navigate the website and can help search engines discover pages and understand relationships between content.
Do internal links help SEO?
Yes. Internal links can help search engines discover content, understand website structure, recognize relationships between pages, and identify important pages within your website. They can also improve navigation and direct visitors toward relevant services or conversion pages.
Should I build internal links before backlinks?
In many cases, I recommend strengthening the website’s internal structure before investing heavily in external link building. This helps ensure that important pages are properly connected and that future backlink authority has useful internal pathways through the site.
How many internal links should a page have?
There is no universal number. Add internal links where they genuinely help the reader or establish a useful relationship between pages rather than trying to reach an arbitrary quota.
What anchor text should I use for internal links?
Use concise, descriptive text that helps the visitor understand what they will find on the linked page. Natural variations are generally better than repeatedly forcing the exact same keyword.
Should blog posts link to service pages?
Yes, when the service page is genuinely relevant to the article. Informational content can educate visitors and then provide a logical pathway toward professional help.
Should old blog posts link to new pages?
Yes. Older content may already have backlinks, rankings, traffic, and history. When a new relevant page is published, review your existing content and add useful links where appropriate.
What is an orphan page?
An orphan page is a page with no meaningful internal links pointing to it, or one that is extremely difficult to reach through the normal structure of the website.
Are internal links the same as backlinks?
No. Internal links connect pages on your own website. Backlinks come from other websites.
Can internal links help service pages rank?
Internal links can reinforce the importance and topical relevance of a service page by connecting it with related supporting content. They can also help distribute internal link equity and create clearer relationships between pages.
Can too many internal links hurt SEO?
There is no simple maximum number that applies to every page. However, excessive or irrelevant links can make a page harder to use and weaken the usefulness of the linking structure. Focus on relevance.
Do internal links matter for AI search?
Internal links do not guarantee that an AI system will cite or recommend a website. They do, however, create clearer relationships between content and improve overall website organization, which remains useful across traditional and AI-powered discovery.
Need Help Improving Your Website’s SEO Structure?
Internal linking is only one part of a larger SEO strategy.
Your website also needs the right keyword targeting, useful content, strong service pages, technical SEO, backlinks, Local SEO when appropriate, and a clear website structure.
I’m Jen Ruhman, and I’ve worked in SEO for more than 20 years.
I help businesses identify what is holding their websites back and build strategies designed to improve visibility across Google and today’s evolving search environment.
If you’re looking for an experienced SEO company in San Diego, I’d be happy to take a look at your website.
Or call/text me at (619) 719-1315.
— Jen Ruhman
SEO Expert & Founder of Jen Ruhman SEO