What Are SEO Internal Links? Tips for Adding Them and Effective Design Methods
Published:
Last Updated:
Category: SEO & Content
Authors: Shusaku Yosa
Published:
Last Updated:
Category: SEO & Content
Authors: Shusaku Yosa
In working on SEO, alongside content quality and backlinks, "internal links" are important. Appropriately connecting pages within a site has benefits for both search engines and users. This article clearly explains what internal links are in SEO, from the basics through their effects, tips for adding them, and effective design methods.
Internal links are links that connect pages within the same site. For example, adding a link from one article to another related article, or guiding users from the top page to a category page, are examples of internal links. They are distinguished from "backlinks (external links)" that are added from other sites, and a defining trait is that you can control them within your own site.
Whereas internal links are links that connect pages within your own site, external links are links exchanged between your site and other sites. Backlinks added from other sites to your site require the other party to obtain and are difficult to control, while internal links can be freely designed and adjusted by yourself. That is precisely why designing them with intent is important.
When you design internal links appropriately, there are benefits for both search engines and users. Let's look at the representative effects.
Search engine crawlers follow links to crawl from page to page and collect information. If internal links are added appropriately, crawlers find pages within the site more easily, and new or updated pages are more likely to be indexed. Conversely, pages that are not linked from anywhere are harder for crawlers to find.
By connecting related pages with internal links, you can convey to search engines the information that "these pages are related." If multiple articles on a certain theme are appropriately linked, the site as a whole is more likely to be evaluated as being knowledgeable about that theme.
The evaluation gathered by a page through backlinks and the like flows to other pages within the site through internal links. By adding links from highly evaluated pages to pages you want to rank at the top, you can circulate evaluation well within the site.
Internal links also help users reach the information they want to know. If a user who has read an article thinks "I want to know more" and there is a link to a related article, they will navigate through the site as is. As a result, dwell time and the number of pages viewed increase, which also leads to improved user satisfaction.
It is not enough to simply add internal links. Let's go over the main tips for increasing their effectiveness.
Anchor text is the text part where a link is set. Rather than vague expressions like "here" or "see this page," it is important to use words that convey the content of the link destination. For example, using text that indicates the link destination's theme, such as "how to design internal links," conveys the link destination's content to both users and search engines.
The basic principle of internal links is to connect pages that are related in content. Adding links indiscriminately to unrelated pages not only confuses users but also fails to convey the thematic connection to search engines. Be conscious of connecting to pages that the reading user would think "I want to know this next."
If you cram too many internal links into a single page, the meaning of each individual link is diluted, and it also becomes hard for users to read. By narrowing to truly highly related links, each link comes alive. Also, adding links in the natural flow of the body text makes them more likely to be clicked by users.
In addition to how you add individual links, it is also important to think about internal link design for the site as a whole.
A design that groups related articles by theme and connects them to each other with internal links is called a "topic cluster." By setting up a page that becomes the center of the theme (a pillar page) and adding links from there to individual detailed articles, and from detailed articles back to the pillar page, the cohesion of the theme becomes clear, and expertise is more easily conveyed to search engines as well.
For important pages you want to rank at the top, it is effective to gather internal links from various pages within the site. A page linked from many pages is more likely to be recognized by search engines as an "important page within the site." Consider which pages you want to rank at the top, and design so that links gather there.
In addition to links in the body text, global navigation and breadcrumbs (a hierarchical display showing the current page's position) are also among the important internal links. These convey the structure of the site as a whole to both users and search engines, and improve the ease of navigation and understanding within the site.
Finally, let's check the mistakes people tend to make with internal links. Representative ones include leaving broken links where the destination does not exist, overusing vague anchor text like "here" whose content is unclear, and mass-producing unnatural links out of excessive SEO consciousness. Internal links should be designed first and foremost to be useful to users, in a natural form, which ultimately also leads to SEO.
Internal links in SEO are links that connect pages within a site, and they have many benefits, including encouraging crawler crawling, conveying relevance between pages, distributing evaluation, and improving user navigation. When adding them, the key points are to use clear anchor text and connect highly related pages in an appropriate number. Furthermore, by being conscious of site-wide design such as grouping pages by topic and gathering links to important pages, you can draw out the effects of internal links to the fullest. Keep in mind a natural design that puts users first.
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