Before your content can rank, it needs links. Google finds your posts and pages best when linked to from somewhere on the web. Internal links also connect your content and give Google an idea of the structure of your website. They can establish a hierarchy on your site, allowing you to provide the most important pages and posts with more link value than other, less valuable pages. So, using the right internal linking strategy can boost your SEO! In this article, we’ll discuss the importance of internal linking, how to approach it, and how Yoast SEO can help you with internal linking.
An internal link is any link from one page on your website to another page on your website. Your users and search engines use links to find content on your website. Your users use links to navigate through your site and to find the content they want to find. Search engines also use links to navigate your site. They won’t see a page if there are no links to it.
There are several types of internal links. In addition to links on your homepage, menu, post feed, etc., you can also add links within your content. We call those contextual links. Contextual links point your users to interesting and related content. Moreover, they allow search engines to determine what content on your site is related and its value. The more links a significant page receives, the more important it will seem to search engines. Therefore, good internal links are crucial to your SEO.
Internal links vs. external links
Every website — even online stores — consists of internal and external links. Internal links connect pages and posts on your website, and external links connect your pages to other websites. This post focuses on internal links and what they mean for SEO. See our posts on link building if you want to get more external links pointing to your site.
Why are links important to Google?
Internal linking is an essential factor for Google and other search engines. But why? Google follows links to discover content on websites and to rank this content in the search results. If a post or page gets many links, this signals to Google that it’s an essential or high-value article. This counts for internal as well as external links.
Internal linking is something you control as a site owner. You’ll guide visitors and Google to your most important pages with the correct internal links. Our internal linking tool (not available yet in Yoast SEO for Shopify) can help you suggest related posts to link to!
Internal links establish relationships between content
Google crawls websites by following internal and external links using a bot called Googlebot. This bot arrives at the website’s homepage, renders the page, and follows the first link. By following the links, Google can work out the relationship between the various pages, posts, and other content. This way, Google finds out which pages on your site cover a similar subject matter.
For example, this post will have links to the ‘Content SEO’, ‘Internal linking’, and ‘Site structure’ tags. We make sure Google understands that the content on those pages is related to the content of this post by adding these links.
Internal links help search engines better find your content
As websites grow in size and complexity, orphaned content becomes an issue for many. Orphaned content refers to pages on your website that have no internal links pointing to them. This issue is because search engines can’t find and index them without any internal link to lead the Googlebot to these pages.
Even though websites nowadays have sitemaps that list the URLs of most pages, search engines may take a long time to reach these pages eventually. This is especially true for very big websites that take a lot of resources to crawl or newly created sites that don’t get visited often by Google. Adding internal links to your newly published pages provides search engines with more ways to reach that content.
Link value
In addition to understanding the relationship between content, Google divides link value between all links on a web page. Often, a website’s homepage has the most significant link value because it has the most backlinks. That link value will be shared between all the links on that homepage. The link value passed to the following page will be divided between the links on that page, and so on.
Therefore, your newest blog posts will get more link value if you link to them from the homepage instead of only on the category page. And Google will find recent posts quicker if they’re linked to from the homepage.
When you understand that links pass their link value on, you’ll understand that more links to a post mean more value. That’s because Google deems a page with lots of valuable links more important; you’ll increase the chance of that page ranking.
Setting up an internal linking strategy
It’s crucial for your SEO to evaluate and improve your internal linking strategy regularly. It’s one of the ways to improve the fitness of your website. By adding the right internal links, you make sure Google understands the following:
the relevance of pages;
the relationship between pages;
and the value of pages.
When setting up your internal linking strategy, you must consider several things. How you go about it depends on your site and goals, but the following steps are a good rule of thumb.
1. Determine the ideal structure for your site
We always advise website owners to imagine their website as a pyramid. On top of it is your homepage; below are some sections or categories, and further down are individual posts and pages — possibly with subcategories in between.
Your website’s menu should reflect this structure if you do it well. In our Ultimate guide to site structure, you can read how to create the best site structure for your site.
2. Decide what your most important content is
It would help if you determined what your most important content is. If you’re not sure, please read our article on cornerstone content. In short, it’s your best and most complete content about the core of your business. It’s the content you want people to find when searching for topics or products you specialize in.
You must add many links to inform Google that this is your most important content. There are various spots from where you can link to your cornerstone content. Here, we’ll give the most common options, from your post’s copy to your navigation.
3. Add contextual links
When you’ve written various articles about a certain topic, you should contextually link them. This will show Google – and your users – that those articles are topically related. You can link directly from sentences in your copy or add links at the end of your post.
Moreover, you want to show Google which articles are your cornerstone: your most complete article on this topic. To do so, you must add a link to the cornerstone in all articles on this topic. And don’t forget to link back from the cornerstone to the individual posts.
Contextual linking: an example
Our blog has a cornerstone content article called ‘The ultimate guide to keyword research’. This post will rank for all related search queries about [keyword research] in Google search results.
So we’ve added links from other relevant articles, such as ‘7 keyword research mistakes to avoid‘, ‘ What is keyword research‘, or ‘Focus on long tail keywords‘ to the main article. And we link back from the main article to these posts. In doing so, Google will understand that the ultimate guide contains the most information about [keyword research]. So, in the end, Google will rank the ultimate guide above the other shorter posts about keyword research.
4. Link hierarchical pages
If your website has hierarchical pages, link parent pages to their child pages and vice versa. Also, remember to link sibling pages to each other. On a well-organized site, these pages should be related to each other, and connecting them like this makes perfect sense.
You can find many plugins and modules to add complete related post sections to your posts. This is an excellent way to show your posts to more visitors. If you use one, we recommend testing whether the related posts are related. If you’re not sure, linking to posts manually is probably best. That’s what we do on Yoast.com – we select a related post manually (or with a bit of help from our internal linking tool – more on that later) and place a link to that post at the bottom of the article. The related links block in Yoast SEO Premium helps you do this in a jiffy.
Besides linking from topically related posts and pages, it’s possible to make your cornerstone content more authoritative by adding links from the homepage or the top navigation menu. It would help if you did this with the posts and pages most important to your business. This will give these posts or pages a lot of link value and strengthen them in Google’s eyes.
7. Add links to your taxonomies
Taxonomies, like categories and tags, help you organize your site and help users and Google understand your content. If you have a blog, adding internal links to the taxonomies to which the post belongs could be beneficial. Adding links to the category and tags helps Google understand your blog’s structure and helps visitors navigate related posts more easily.
A good practice after you publish a post or page is to link to that newly published post from other content on your site. Of course, the posts or pages that link to the recently published post must be of a similar topic. You shouldn’t just link to this new post from a random post or page on your site.
Now, this might sound daunting, especially if you regularly publish content. But it’s worth the hassle, as you won’t end up with a bunch of orphaned content that needs fixing. Besides, adding internal links to your most recent posts ensure that search engine crawlers can crawl and index them when they land on other pages on your site.
9. Consider adding links to popular posts
The last option to mention is creating internal links to your website’s most popular posts or pages. Create these sections in your website’s sidebar or footer to appear on all pages and posts. As link value passes to these most popular posts from many different pages, they get a boost. Besides, the posts will be more accessible for visitors, increasing traffic – and more traffic is a positive sign for Google.
More on internal links
Nofollow links
You also probably have links that aren’t important for SEO on your website. For example, if you have a login link for your clients on the homepage, you don’t want to leak link value to your login page – that page doesn’t need to rank high in the search results.
You used to be able to prevent losing link value to unimportant links by giving them a nofollow tag. A nofollow tag asks Google not to follow the link, so no link value is passed. Now you might think: “I’m going to nofollow less important links to give the most important links more link value.” While this worked in the past, Google has become more competent. Now it seems that the link value for those nofollow links doesn’t automatically flow to the other links on the page. The nofollow link will be counted as a link, and the link value will be lost. Therefore it makes more sense to have fewer links on a page instead of nofollowing some of the links.
Adding a nofollow tag doesn’t mean those target pages can’t be found in Google’s search results. You should give them a noindex tag if you don’t want pages or posts to appear in the search results. The noindex tag means that Google shouldn’t render the page and shouldn’t give the content a place in the Google index to show up in the search results.
Once you have decided which links should be on a page and which pages should get link value, using the correct anchor text is essential. The anchor text is the clickable text that visitors see. For example, the anchor text of the two internal links in the example below are ‘link schemes’ and ‘paid links’:
You can see the anchor text containing the link in this image.
If you over-optimize anchor text, you might hurt your website. By over-optimizing, we mean keyword stuffing. Previously, you could give all anchor texts the same keyword, and Google would rank your site higher for that keyword. Nowadays, Google is smart enough to understand that the content around the anchor text says more about the relevancy of a keyword than the anchor text itself. So please ensure the anchor text looks natural in your copy: it’s OK to use keywords but don’t add the same keywords to every link’s anchor text.
Yoast SEO includes several checks and features to help you improve your internal linking.
On a post level, the Yoast SEO plugin helps ensure you give internal links some thought. In the plugin meta box — or the sidebar, as shown below –, the internal link assessment of Yoast SEO checks whether you’ve created links to other pages on your website in your text. It also checks if these links are followed or nofollowed.
For Yoast SEO for Shopify, this check only works on posts or pages. You do not have internal links on your product pages or product descriptions because you want to keep customers there — not send them to another part of your site. You need your customer to convert as quickly as possible. An essential part of Shopify SEO, right?
Checking if you've added enough internal links in Yoast SEO
Checking if you've added enough internal links in Yoast SEO for Shopify only works in posts and pages, not products
Add internal contextual links to relevant content on your site to get a green bullet for this check.
Text link counter
If you install Yoast SEO for WordPress, you’ll also get a handy tool in your post overview called the text link counter. This tool counts the internal links in a post and the internal links pointing to a post. This visualizes which posts should receive more links. This will all help you work purposely on your site structure.
You can see the number of internal links pointing to and from a post with Yoast SEO
Easy internal linking with Yoast SEO Premium
The internal linking suggestion
You are probably aware of the importance of internal linking for SEO. But handpicking articles – and relevant articles – to link to isn’t always easy. Even if you have a small website, you might not remember every little thing you’ve published over the years. And suppose you’re managing a medium to large website, especially one where various people can write and publish content. In that case, knowing all your content on a given topic is difficult. When this happens, internal linking can take much more of your time than it should.
That’s precisely why we’ve built a dedicated feature in Yoast SEO Premium for internal linking – the internal linking suggestion. It’s incredibly easy to use, and you only need to set up this feature once. Yoast SEO will first scan, analyze, and try to make sense of all your content in WordPress. Then, when you write a post, you can immediately link to a related post by copying or dragging the link directly into the editor. You’ll see the suggestions in the Yoast SEO sidebar on the right-hand side of your screen. For instance, the screenshot below shows the internal linking suggestions for this post you’re reading! The green tick indicates that we’re linking to the suggested post from this one.
This feature makes internal linking much more intuitive. And that’s thanks to Yoast SEO content analysis running in the background in real-time. It analyses and compares your text to existing content on your site to pick out articles that best fit your new post, all while you’re writing! Even if the articles were written a while ago or by someone else on your team, Yoast SEO will notice them. This will help you create an outstanding structure by connecting related content without immediately overlooking articles you might not think of.
Internal linking suggestions by Yoast SEO Premium for this article
The cornerstone approach internal linking workout
Getting your internal links back in shape is important because that helps you rank with the content you want to rank. That’s why we’ve introduced the cornerstone content internal linking workout in Yoast SEO Premium. You can use this workout to improve your internal linking based on the cornerstone approach we discussed earlier. In six easy steps, you can improve your site structure by learning where to find your cornerstones, how many links they have, and how to add links pointing to these important posts.
The first step in the cornerstone content workout in Yoast SEO Premium
The orphaned content internal linking workout
Orphaned content is pages and posts with no internal links. That makes them hard for users to find and also hard for search engines to crawl. In the orphaned content workout, we identify your orphaned content and give you all the options and tools you need to deal with it! Maybe you don’t want those pages to be found. Maybe you want to delete them. Or maybe you want these pages to rank in Google and be found by your visitors. Whatever you decide for each page, the steps in this SEO workout make it easy to clean up your content.
The first step in the orphaned content workout in Yoast SEO Premium
When you have our Premium plugin, you can find these internal linking workouts in the backend of your WordPress website. Go to Yoast SEO in your left menu, and select the menu item ‘Workouts’. This will take you to a page where you can find our workouts. Of course, we’ll add other SEO workouts as we go along, which you’ll also find here when they’re released!
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Go Premium and unlock this feature!
Unlock our internal linking features and get free access to all of our SEO courses with Yoast SEO Premium:
In the WordPress block editor, you can also easily link child and sibling pages with Yoast SEO premium. If you want to make sure you link all child and sibling pages, just select the sibling or subpages block, add it to your post, and you’re done. Of course, this only works for hierarchical post types.
Without links, your content can’t rank! With a solid internal linking strategy, you can show which content is related and which of your articles are most informative and valuable. If you follow the guidelines in this post both Google and your users will understand your site better, which will, in turn, increase your chance of ranking.
Edwin is an experienced strategic content specialist. Before joining Yoast, he worked for a top-tier web design magazine, where he developed a keen understanding of how to create great content.
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