Link – What Is a Link?

Imagine the internet as a vast network where each website is a knot. The connections between these knots are made through “links” – the digital paths that lead users from one page to another. A link, often referred to as a hyperlink, is not just a technical element, but the foundation of web traffic and online interaction.

Definition of a Link

A link, often referred to as a hyperlink, is an essential component of the World Wide Web. Links make it possible to navigate from one web resource to another, forming the basis of internet surfing. A link can consist of text or images, and is usually recognizable by underlining or a change in color. It not only connects different web pages to each other but also different areas of the same website. These connections are crucial for the structure of the internet and the way information is found and retrieved.

Basic Definition

Technically speaking, a link, known as an “anchor,” is a marked connection from a starting point on a website to a target point, which can be another page or another location on the same page. There are different types of links: hyperlinks, which point to other web pages, and backlinks, which lead from other web pages back to one’s own page. Both types are significant for SEO as they influence the visibility and ranking of a website in search engines.

How Do Links Work?

Technically, links are created using HTML codes. A typical link consists of an `<a>` tag, which stands for “anchor,” and includes an `href` attribute, which specifies the URL of the target webpage. When users click on the link, their browser sends a request to the server hosting the target webpage and loads that page. This process connects users quickly and efficiently with the desired resources and enables intuitive navigation on the web.

Different Types of Links

Links are not just simple connections between websites; they are also crucial for structuring the internet and search engine optimization. There are several types of links that play different roles in the world of SEO and web design. Each type of link contributes in its way to user guidance and the improvement of a website’s visibility.

Internal Links

Internal links are hyperlinks that lead from one page of a website to another page of the same domain. They are crucial for creating a logical structure of a website and help build an information hierarchy that is easy for both users and search engines to navigate. From an SEO perspective, internal links help distribute link authority (Link Juice) across the entire website, which can improve the search engine ranking position of each page.

External Links

External links point from one webpage to another domain. These links are important for the credibility and authority of a webpage, as they are viewed by search engines as a kind of recommendation. The more high-quality external links point to a webpage, the higher its authority and ranking in search results tend to be. External links can also help achieve broader recognition and reach in the digital world by establishing connections to other relevant and authoritative sources.

Nofollow vs. Dofollow

The distinction between nofollow and dofollow links is crucial for understanding the SEO impact of links. Dofollow links are the standard, which search engines follow and transfer link authority from one page to another. This type of link has a direct impact on the ranking of the target site in search engines. Nofollow links, introduced to combat spam, do not transfer authority. They are often used in blog comments or on platforms where content is freely editable. Although nofollow links do not have direct SEO value, they can still bring valuable traffic to a website and indirectly increase its visibility.

The Role of Links in SEO

Links play a central role in search engine optimization (SEO). They are not only essential tools for navigation within and between web pages, but also critical factors that influence the visibility and ranking of a website in search results. In an SEO strategy, the management of links occupies a key position as it is directly related to the authority and credibility of a website.


Link building is one of the most fundamental and important strategies in SEO. The goal is to increase the number of quality inbound links (backlinks) that point to a website. These backlinks signal to search engines the relevance and trustworthiness of a page. Effective link building requires careful selection of partner sites that are thematically relevant and have high authority themselves. Techniques such as creating valuable content that naturally attracts links (Link Baiting), guest blogging on other relevant websites, and participating in industry discussions are popular methods to acquire quality links.

Links and PageRank

PageRank is an algorithm developed by Google to assess the importance of a webpage based on the number and quality of links leading to it. Each link to a webpage is considered a kind of recommendation. The more high-quality links point to a page, the higher its PageRank, which in turn positively affects its placement in search result lists. While PageRank is no longer the only factor in ranking a webpage, it remains an important indicator of the relevance and trust a webpage enjoys in the online community.

Best Practices for Using Links

Proper use of links is crucial for both the user experience and the ranking of a webpage. Strategic linking can improve the information architecture and help search engines better understand the relevance and value of a page. To fully exploit the potential of links, there are best practices that should be applied to both internal and external linking.

Good Practices for Internal Linking

Internal links are an important tool for structuring the page architecture and information hierarchy of a website. They should be used sensibly to facilitate user navigation and enable search engines to index the pages. Here are some tips for effective internal linking:

  • Consistency

Use consistent and clear anchor texts that accurately describe the content of the target page.

  • Relevance

Only link to pages that are thematically relevant and offer added value to the reader.

  • Distribution

Ensure that important pages are linked more frequently to increase their visibility.

  • Accessibility

Make sure that all internal links are reachable and error-free to avoid impairing the user experience.

Optimizing External Linking

External links can strengthen the authority and trust of a webpage when used correctly. To get the most out of external linking, the following guidelines should be observed:

  • Quality before Quantity

Link to high-quality and trustworthy sources that are directly related to the content of your page.

  • Variation

Use various trustworthy sources to avoid dependencies on individual domains.

  • NoFollow Attribute

Use the NoFollow attribute for links that point to less trustworthy content or commercially motivated pages to preserve the integrity of your page.

  • Transparency

Inform users when links lead them to external pages, especially in the case of affiliate links or sponsored content.

By following these best practices, you can ensure that your linking improves the user experience and has a positive impact on your SEO results.

Links Connect Websites and Are Essential for SEO

Links are essential elements on the web that act as connections between websites and play a central role in search engine optimization. They are differentiated into internal and external links, each type fulfilling specific functions, such as improving navigation and increasing the credibility of a webpage. The quality and relevance of links directly influence the ranking of a webpage in search engine results. Best practices in link management are crucial for maximizing visibility and user-friendliness.

Do you have questions or want to learn more about various SEO topics? Check out our other glossary articles, such as Conversion Rate or Link Popularity on Blogtec!