What Topical Authority is: why it matters, key factors and common mistakes

/ What topical authority is and why it matters for SEO

What is Topical Authority?

Rather than giving you the standard definition you'll find on any website, I'd like to show you what topical authority is through an example.
Right now, you're reading an article about Topical Authority written by me (Sico de Andrés), instead of asking GPT about the topic. That usually happens because you figure that with my experience doing SEO and link building since 2002, I can tell you something about topical authority that a machine, or any blog that just churns out technical definitions, can't. Over all these years, I've been building this up through talks at events, books, posts on social media, and articles in different outlets, all to demonstrate my knowledge of link building and become a go-to name in this field. I'm sure other names come to mind too, like Cesar Aparicio or Luis M. Villanueva. Well, that's exactly what topical authority is: getting your website recognised as a trustworthy, expert source on a specific topic.
I appreciate you considering me relevant on this topic, and I promise to try to add more value than any AI out there.

/ Why Topical Authority matters for ranking on Google

One thing I'm crystal clear on after all these years as an SEO professional is that Google is trying to understand authority and reputation the way a human would. Whether it's succeeding at that or not is another matter, but its goal is clear. The days when earning links with high DA, DR (or similar) was how a brand built its authority are long gone. Rollouts like Hummingbird, RankBrain, BERT and MUM, among others, try to understand, beyond just user queries, a website's reputational value based on the real value it adds within its subject area. That's why it's essential to start thinking about specialisation when you plan your SEO strategy.

What's more, topical authority doesn't just affect your search rankings. It can go far beyond your website. Get it right, and it'll follow you everywhere — giving you credibility on social media, in the content you publish, even in conversations happening within your industry. All of this feeds into winning new customers, which, at the end of the day, matters more than rankings alone.

/ Key factors for improving Topical Authority

Specialisation

I've got bad news. You can't know everything, and basically, you can't signal to search engines that you're an authority on absolutely everything. As my grandmother used to say:

"A jack of all trades is a master of none."

I always give the example of that brother-in-law type at every family gathering (the "Know-It-All," as he's known outside Spain) — no matter what the topic is, he knows it all. Sound familiar? If this article were about sailor's knots, you'd rather look for that information somewhere else — ideally, something written by someone who's a genuine topical authority in that field.

Google isn't a fan of us talking about everything either, or of content on our sites not being backed by anyone. In fact, the importance of Topical Authority has only grown since AI-generated content became so widespread.

One of the keys to building solid topical authority for our own project, or our clients' projects, is to dig deep and put the focus on the experience and knowledge of the professionals behind it, and add value based on that experience. So the first step is defining which area, or areas, you specialise in.

To define a specialisation strategy, I'd recommend designing what's known as a "Topical Map", which is simply about structuring your content strategy while focusing on the information pillars where your project is genuinely relevant. We usually work with core information pillars, topics and subtopics. Each pillar should link to its corresponding topics, and those topics should link back to their pillar. Here's a diagram of how I designed my own Topical Map with Link Affinity for the very cluster you're reading right now. As you can see, I already have topics lined up within this "Pillar" of "Topical Authority."

Experience

Your "Topical Map" would be worthless if it isn't backed by real people with real experience. Now's the time to define who's going to be vouching for each type of content. Heads up: if you don't have experts within the project itself, you can look for outside collaborators to review, contribute data, or add anything that gives your content credibility through that expert's input.

Semantics

By this point I don't need to tell you Google has rolled out a lot of changes to its algorithms to "understand" both what users are searching for and the content that's out there on the internet. To achieve topical authority, one of the fundamental pieces is conveying that semantics to the search engine. To do that, we usually work with "SEO Entities". SEO entities refer to concepts, people, places, things or ideas that search engines can uniquely identify, classify and relate to one another. It's not about stuffing in keywords like we used to years ago, but about addressing certain identifiable concepts that have a direct relationship with the topic being covered. There are plenty of tools out there that can recommend entities to use within a piece of text, or extract entities from text already written. Look, for instance, I've run the text I've written so far in this very article through a tool that's very simple and free.

By the way, I haven't mentioned it yet, but use structured data to make it easier for search engines to understand.

Distribution

Once we're clear that our content is conveying the right semantics for search engines to understand we specialise in a given topic, we need to plan a strategy to send those same signals not just through our own content, but through media outlets relevant to those topics too. This is where the rules of the link building game have changed the most in recent years. Your digital PR and link building strategy needs to have, as its central goal, getting those three indicators I mentioned earlier — Specialisation, Experience and Semantics — across in the media.

Spreading your specialisation

Rather than churning out articles with no real use for readers just to land them on high-authority outlets, you need to plan a communications strategy that plays up your specialisation. Think about helping your potential customer so you become a genuine go-to source, not about the PageRank a link is going to pass you. That's old news by now. Don't you think?

Spreading your experience

I consider this part essential. Throughout my career I've come across countless companies that, even with highly experienced professionals within their own project, don't bother putting these professionals in the spotlight so they can become a go-to reference. Imagine an expert who only ever talks about SEO on their own blog. Their content might seem interesting to you, but if you see that expert showing up in relevant, specialised media outlets, they'll carry far more credibility. That's what we call popularity. I always use the example of the hermit who's an expert in medicinal plants living in a cave. He might have plenty of knowledge (Expertise) and experience (Experience), but nobody knows about him, and he'll NEVER become a go-to authority. To rank on Google, you need to be a go-to reference, which means Experience and Knowledge alone won't cut it. You'll also need Authority. Google wants to know who's behind a project, and assess their reputation. Hence why getting the word out matters so much.

/ Common mistakes when building topical authority

Shallow, surface-level content

It would be a mistake to limit yourself to a handful of generic concepts you could find anywhere. Do the research, and lean on experts, whether they're in-house at your company or outside collaborators.

Not planning your content or internal linking

It's a mistake to publish content at random with no planning or strategy behind it. If you want your Topical Authority strategy to work, you need to plan your content and design a "Topical Map" to define your internal linking. Companies often work hard on their external links while neglecting the links within their own site, even though those matter a great deal too.

Not using structured data

Implement structured data markup (Schema.org) to help search engines better understand your content and improve how it appears in search results.

Not focusing on specialisation

Always remember that "Know-It-All" from before. You can't signal relevance to search engines on every single topic. Analyse and focus on content, both on your own site and in your digital PR strategy, where you can genuinely add real value.

/ Final conclusions and recommendations

Topical Authority has become a crucial component of modern SEO and link building. As search engine algorithms evolve to better understand content and user queries, the relevance and credibility of websites within specific topic areas has become more important than ever.

Patience and commitment

Topical authority isn't earned overnight. It takes time, effort, and a constant demonstration of real experience and knowledge in that specific area. Experts and collaborations with professionals in the field reinforce that credibility.

Specialisation as a core strategy

Trying to cover too many topics will dilute your perceived authority. Focus on the area, or areas, where you can genuinely bring knowledge and experience. That's how you build solid topical authority.

The importance of semantics

As I mentioned, Google has made huge strides in understanding the semantics of content. Using SEO entities and making sure your content is well structured and semantically related helps search engines recognise your site's relevance and specialisation.

Strategic distribution and promotion

Having quality content isn't enough on its own; it's also crucial that this content is visible and backed by mentions in relevant media outlets. Run a digital PR and link building strategy that highlights your specialisation, experience and semantics. I don't need to tell you that with Link Affinity you can design and execute those strategies.

Impact beyond SEO

Topical authority doesn't just improve your search rankings, it also strengthens your brand's overall reputation and credibility. That can translate into greater trust from potential customers. In fact, that's the goal you should be working toward. Better rankings will just be one of the effects of getting your Topical Authority strategy right.

I hope that, just as I mentioned at the start, this article has helped you not only understand the concept, but see how I apply it myself in my content, link building and digital PR strategies.

If you want to dig deeper, you can watch the talk I gave at SEonthebeach 2024 on Topical Authority, called "Alternatives to link building."