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Backlinks

From the definition to the best monitoring tools: what you need to know about backlinks.

Andrea Barchiesi
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Example of a website’s backlink map, screenshot from an SEO tool
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Backlinks, also called inbound links, are hyperlinks that point from one website to another. They matter a great deal for SEO (search engine optimization) because they act as a kind of “vote of confidence” from the site that places them. Search engines such as Google read backlinks as signals of the reliability and authority of the destination site’s content. The more quality backlinks a site receives, the better its chances of ranking well in search engines.

Backlinks are essential for improving a website’s ranking in search engines and so increasing organic traffic. When an authoritative website links to yours, search engines read it as a sign that your content is valuable and relevant. This process, also known as link juice or link equity, helps increase your site’s authority. Not all backlinks are equal, though: those from reliable, relevant sites have a very positive impact, while those from low-quality sources can have no effect or even a negative one. Getting high-quality backlinks is therefore crucial to an SEO strategy.

In SEO there are several types of backlinks, each with a specific function that affects your link building strategy. Understanding the differences is essential for good results.

  • Dofollow backlinks: these pass SEO value (link juice) to the destination site, improving its authority and ranking. They are the most sought after, because they transfer part of the source site’s authority to the destination, which makes them crucial for improving search rankings.
  • Nofollow backlinks: these do not pass direct SEO value, but they are still useful for generating direct traffic and increasing a site’s visibility. Nofollow backlinks can be especially useful in brand awareness campaigns, improving visibility and brand recognition without necessarily affecting rankings.
  • Editorial backlinks: found inside articles or blog posts, they are generally considered high quality because they sit in a relevant context and often come from valuable content. They are often earned with informative content that offers added value to readers, such as detailed guides or industry studies.
  • Resource backlinks: found on resource pages or directories, they can be very useful for SEO as long as they come from relevant, authoritative sites. They often appear in curated lists of tools or resources relevant to an industry.
  • Guest posts and influencer collaborations: these backlinks come from content created together with other sites or influencers in the field. Well planned, they can bring high-quality backlinks, improve the site’s authority and expose you to new audiences. Writing guest posts on influential sites in your industry is a good way to earn high-quality links.

Earning quality backlinks takes a well-structured link building strategy and steady effort. Here are some of the most effective ways to build authoritative backlinks and improve your SEO ranking:

  1. Create valuable content
    One of the most effective techniques is creating valuable content, such as comprehensive guides, case studies, infographics and data-based articles, which can attract backlinks from other sites naturally. Informative, in-depth content tends to be linked more often because it offers added value to readers, increasing the chance of earning backlinks spontaneously.
  2. Guest blogging
    Working with bloggers and sites in your field through guest posts or joint projects can help build authoritative links. Guest posts let you share your expertise on outside platforms and earn quality backlinks to your site. Make sure the sites you publish on are relevant and have good authority, to get the most impact.
  3. Monitor competitors’ backlinks
    Another effective strategy is to monitor competitors’ backlinks to find new link building opportunities. Tools such as Ahrefs and Semrush let you analyze your competitors’ link strategy and identify the best sources of backlinks. Knowing which sites link to your competitors can help you build new relationships and create content that appeals to those same sources.
  4. Work with influencers
    Taking part in webinars, podcasts and industry events and working with influencers in your field can help you earn backlinks from authoritative sites and improve your online visibility. Influencers often have large audiences and high-authority websites, which makes their backlinks especially valuable.
  5. Take part in forums and online communities
    Taking an active part in industry forums, discussion groups and online communities lets you earn backlinks by sharing skills and knowledge. Answering questions on platforms such as Quora or Reddit, without adding links for SEO purposes (they are almost always nofollow), makes your expertise known and can bring qualified visits.
  6. Create content with viral potential
    Content with viral potential, such as infographics, videos or statistical studies, can bring many spontaneous backlinks. This kind of content is easier to share and is often linked by other sites that find it useful and relevant for their users.
  7. Evergreen content
    Creating evergreen content, content that stays current and relevant, can help earn backlinks over the long term. Practical guides, reference articles, glossaries of industry terms and detailed tutorials are examples of evergreen content that keeps its value and continues to earn backlinks long after publication.
  8. Interviews and mentions on other sites
    Being interviewed or quoted on other websites is an excellent way to earn backlinks. Offer yourself as an expert for interviews in your field, or take part in roundup posts in which several experts share their views on a specific topic. This not only increases your visibility but earns backlinks from sites with good authority.
Example of a website’s backlink map, screenshot from an SEO tool
Backlink map, an example

Monitoring backlinks is essential for assessing how well your SEO strategies work and for spotting problems. Use tools such as Google Search Console, Ahrefs, Moz and Semrush to analyze where backlinks come from, the anchor text used and the authority of the source site. Regular monitoring will help you identify toxic backlinks, those from low-quality or spam sites, which could hurt your site. In those cases, Google’s Disavow tool is useful for rejecting such backlinks and protecting your authority.

Analyzing backlinks also shows you which content is generating the most interest, so you can adjust your content marketing strategy accordingly. If a certain type of content attracts many backlinks, you can develop more like it to expand your network of links. Keeping a steady eye on your backlinks is therefore essential to keep your SEO strategy effective and up to date.

Here are some essential tools for monitoring and analyzing backlinks:

  • Google Search Console: free and offered by Google, it lets you check which sites link to yours and monitor your site’s performance.
  • Ahrefs: a complete backlink analysis tool that lets you monitor your link profile, identify toxic backlinks and find new link building opportunities.
  • Semrush: useful for analyzing not only your own backlinks but your competitors’, Semrush gives you detailed insight into which sources are creating value for your site.
  • Moz Link Explorer: Moz lets you assess the authority of the sites your backlinks come from and analyze inbound links with particular attention to quality.

Not all backlinks have the same value: quality matters more than quantity. Here are some key factors for judging the quality of a backlink:

  • Domain authority: a backlink from a site with high domain authority is worth more than one from a site with low authority. Tools such as Moz and Ahrefs offer metrics to measure a domain’s authority.
  • Content relevance: the backlink should come from a site that covers topics similar or related to your field. Relevant backlinks are seen as more natural and so more effective for SEO.
  • Link position: links within the main content of a page are worth more than links in the footer or sidebar, because search engines see contextual links as more relevant.
  • Anchor text: the backlink’s anchor text, the visible text of the link, matters. It should be descriptive and relevant to the destination page to have a positive effect on SEO.

Backlinks are a decisive factor in the success of an SEO strategy. Earning high-quality backlinks, monitoring them regularly and understanding how to keep improving your strategy are crucial for increasing your site’s authority and ranking in search engines. Use valuable content, work with influencers and other sites in your field, and keep track of your progress for lasting results in search rankings.

With a well-planned link building strategy and the right analysis tools, you can build a strong network of backlinks that will help you gain more visibility, solid authority and, in the end, online success. Make sure you build strong relationships with other content creators and produce high-value material that attracts links naturally and sustainably.