Title: Backlink Author: Kriko Published: Feb 17, 2021 Last modified: Jul 13, 2026 --- 1. [Home](https://kriko.io/) / 2. [Glossary](https://kriko.io/glossary) / 3. B Letter # Backlink **A backlink**, also known as an inbound link, is a link from one website to another website. When a site links to another page, it directs users to a related source and may also provide search engines with a signal about the relationship between the two pages. From an SEO perspective, backlinks are one of the signals that can help search engines understand the credibility, visibility and reference value of content on the web. However, not every backlink has the same value, and not every link contributes positively to SEO performance. Google's ranking systems do not work based only on the number of backlinks. Search results are generated by evaluating many signals together, including the meaning of the query, page relevance, content quality, source expertise, usability, location and device. Google explains that links or references from other prominent websites can be one of the quality signals that help its systems understand whether information is trustworthy. Therefore, backlinks are important, but they should not be treated as a mechanical factor that guarantees ranking success on their own. A high-quality backlink gains value not only because it comes from an authoritative website, but also because it is contextually relevant and useful to users. For a link to appear natural, it should have a meaningful place within the content, provide additional value to the user and not be created for manipulative purposes. For example, a link from a health article to a reliable medical source can support user experience. In contrast, a link from an irrelevant directory, an automatically generated page or a page created only to manipulate rankings may be risky. When evaluating backlink quality, the reliability of the linking site, topical relevance, content quality, link placement, anchor text structure and whether the link appears natural should be analysed together. Third-party SEO tool metrics such as domain authority, domain rating or similar scores can provide directional insight, but they are not official Google metrics. Therefore, backlink analysis should focus not only on scores but also on real user value and contextual relevance. The term "dofollow link," often used in SEO, is not technically a specific `rel` attribute. If a link does not include attributes such as `nofollow`, `sponsored` or `ugc`, it is generally treated as a standard link that can be followed. For example, a link structured as `Example link` is a normal link without an additional qualifier. However, this does not mean that the link will definitely pass ranking value or create a guaranteed SEO effect. A **nofollow link** is a link attribute used when the site owner does not want to be associated with the linked page or prefers that Google not follow the link. Google states that `rel="nofollow"` can be used when other values do not apply and when you would rather Google not associate your site with or crawl the linked page. Nofollow links are generally not followed, but the linked pages may still be discovered through sitemaps or links from other sources. **Sponsored links** are links placed as part of advertising, paid placement, advertorials, influencer collaborations or sponsored content. Google recommends marking links that are advertisements or paid placements with the `rel="sponsored"` value. Paid links that are used for ranking purposes without being properly qualified can create risk under Google's link spam policies. Google states that buying and selling links can be a normal part of web advertising and sponsorship, as long as such links are qualified with `rel="nofollow"` or preferably `rel="sponsored"`. **UGC links** are links found in user-generated content. Links in blog comments, forum posts, community pages, user profiles or areas where members can add content can fall into this category. Google recommends using the `rel="ugc"` value for links in user-generated content such as comments and forum posts. This helps indicate that the link was not editorially placed by the site owner but added by a user. **Editorial links** are links that a website gives naturally because it finds the content valuable, without payment, exchange or obligation. From an SEO perspective, these natural and contextual links are generally among the healthiest types of backlinks. For example, if a news site, research report, academic source, industry publication or blog post references useful content, this can be considered an editorial link. However, these links should still be analysed in terms of topical relevance, source quality and user value. **Harmful or unnatural links** are links created primarily to manipulate ranking systems. Google defines link spam as the practice of creating links to or from a site mainly for the purpose of manipulating search rankings. Risky examples include paid links that pass ranking credit, excessive reciprocal link exchanges, automated link creation systems, low-quality directory links, links widely distributed in footers or templates and spam comment links with optimized anchor text. The goal of a backlink strategy should not be simply to acquire as many links as possible. A better approach is to create high-quality content, publish research and data-driven resources, build industry visibility, carry out digital PR, increase brand awareness and develop pages that users genuinely want to reference. Useful guides, original research, tools, reports, case studies and expert insights can increase the likelihood of earning natural backlinks. Backlink analysis should be performed regularly. It is important to review which domains link to the site, which pages receive links, anchor text distribution, topical relevance, whether links are sponsored or user-generated and whether there are unnatural patterns. Sudden increases in irrelevant backlinks, a high volume of links from low-quality directories or repeated links with the same anchor text can be risk signals. In such cases, the source and purpose of the links should be analysed first, and large-scale actions should not be taken in panic. In summary, **a backlink** is a link from one website to another and can still be an important SEO signal. However, backlink value should be evaluated not only by quantity, but also by quality, relevance, trustworthiness, context, naturalness and proper use of `rel` attributes. Paid links should be marked as `sponsored`, user-generated links as `ugc` and links you do not want to be associated with as` nofollow`. A successful backlink strategy is not built through manipulative link acquisition, but through creating trustworthy, useful and reference-worthy content. ## Discover it in the dictionary ### Deep Learning Deep learning is a form of machine learning that uses artificial neural networks to analyse complex data structures. Inspired by certain aspects of how… ### Page Not Found Error (404) Page Not Found Error is commonly known on the web as 404 Not Found. 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