Topical Authority: What It Is + How to Build It

Topical authority is a website’s perceived credibility as a resource on a particular topic or niche. You can earn topical authority by creating robust, helpful content about a certain subject.

We’ve come a long way from the days of Google ranking webpages based on target keywords.

Now, Google can analyze the information included in a piece of content and the depth of content the entire website provides on that topic.

In other words, a website’s topical authority.

With AI Overviews, ChatGPT, Perplexity, and traditional search all relying on trusted sources, topical authority has become one of the strongest indicators of whether your content gets surfaced and cited.

So, how do you build topical authority for your own site?

We spoke with search engine optimization expert Austin Lewis to find out what it takes.

What is topical authority?

Topical authority refers to a website’s credibility as a resource on a specific topic.

This is accomplished by regularly publishing valuable, high-quality, original content that answers people’s questions pertaining to that unique topic or niche.

Why does topical authority matter for SEO and GEO?

Topical authority boosts your website’s credibility, which improves your chances of earning greater visibility on the search engine results pages (SERPs) and AI-powered search experiences.

More specifically, “topical authority is important because it is a component of E-E-A-T measurements,” says Lewis.

This refers to Google’s Experience, Expertise, Authoritativeness, and Trustworthiness (or E-E-A-T) metric.

“The E-E-A-T algorithm was basically designed to measure which industry professionals or organizations deserve web traffic,” he explains. “When we build topical authority, we are showcasing authoritativeness on a subject.”

How does topical authority work?

Topical authority works by building a website’s reputation as a trusted source on a specific topic, which comes down to publishing a library of comprehensive, relevant content.

Google evaluates how comprehensively your content covers a topic and whether it satisfies related search intent through original information (like proprietary data, first-hand experience, and unique perspectives from experts).

“The more comprehensive your content, the more comprehensive Google presumes your understanding of the subject matter to be,” says Lewis.

He adds that, because Google has crawled so many websites and writing samples, the search engine has an idea of what the primary questions for any given topic may be; so when your website answers those questions, it’s presumed to be authoritative by Google.

How do you build topical authority?

“Topical authority is built by publishing extensive high-quality content on any particular subject, and then ‘gluing it all together’ with internal links,” says Lewis.

This tactic is referred to as content clustering. The goal is to publish a comprehensive library that essentially covers every aspect or subcategory of a broader topic.

Each supporting article of the topic cluster links back to the pillar page (and other related articles) through strategic internal linking.

This structure helps search engines understand the context and relationships between your content, reinforces your expertise, and makes it easier for users to find relevant information.

Here’s how to build authority in your space.

1. Identify your main topic(s)

Your first step is to identify a clear but broad topic in your space that you want to be recognized for.

Here at HawkSEM, our “big” topics all pertain to core digital marketing strategies like SEO, pay-per-click (PPC) advertising, and social media marketing.

Within each of those big topics are subtopics, where we dive into high-level niche content.

2. Create a content strategy

Once you identify a core topic, dive into keyword research.

First, consider common questions you’re asked on the subject. Then, head to Google and enter those search queries to see what kind of results appear. What shows up in the People Also Ask sections?

Use a keyword research tool to find high-search-volume queries related to your topic and identify long-tail keywords.

Finally, leverage other resources like AnswerThePublic to fill in any gaps you might be missing to better understand your target audience.

With a list of target keywords, consider a timeline for content creation.

Further reading: How to Do Keyword Research: Tools to Use + Proven Tips

3. Create a high-quality pillar page

You may be a topic expert, but if content marketing isn’t your expertise as well, use the help of professional content creators for this step.

Start with a “pillar page” or “hub” that covers the broad topic in detail. These pages should comprehensively cover the topic and satisfy the user’s search intent. Depth matters more than hitting a specific word count.

Further reading: What is Content Writing? 16 Tips to Create Content Readers Will Love

4. Build content clusters

After creating your pillar page, build supporting content cluster articles that focus on related subtopics of your specific subject and interlink them inside the pillar article.

This will help search engines understand your site’s expertise on the subject and boost internal SEO.

Further reading: What Are Topic Clusters for SEO?

5. Try to publish content on a predictable schedule

Publish your content on a regular schedule. This helps keep your site fresh and consistent.

Publishing consistently helps expand your topical coverage over time — but quality, completeness, and originality matter much more than publishing large quantities of content.

6. Earn backlinks

Earn mentions and citations from trusted publications, industry experts, podcasts, authoritative websites, and research reports. These brand signals increasingly reinforce your authority for both search engines and AI systems.

The best way to earn backlinks and citations is by creating high-quality content and climbing the search rankings organically. However, you can increase your chances of earning links by:

• Using pitching tools like Qwoted
• Finding guest posting opportunities
• Using trending topics to create content people want to link to
• Using white hat link-building techniques

7. Refresh content regularly

Revisit your content on a regular basis to ensure the information is up to date and as robust as possible.

While you’re at it, include any valuable additions like downloadable freebies or case studies to further support your articles.

Regularly refreshing content helps ensure accuracy, improve comprehensiveness, and maintain relevance as search behavior and industry information evolve.

And as always, make sure to optimize your content using on-page and off-page SEO best practices to enhance user experience.

Further reading: 20 On-Page SEO Factors to Help You Rank on Page One

8. Engage with your audience

Whether posting content on social media or participating in forums, responding to comments and engaging with your audience builds a community around your content.

As a result, this can increase your perceived authority online and in the field.

9. Establish author and brand expertise

Original information is considered a ranking factor by Google, whose ranking system prioritizes helpful, reliable content.

To prove originality and value, consider creating author bios for published content that showcase their expertise and first-hand experience in the subject.

Other ways to establish brand expertise is by including original research, expert quotes, and case studies in your articles.

How to measure topical authority

Topical authority isn’t a concrete metric, so there’s no definitive way to measure or rank it.

However, there are several key factors you can use to assess your progress or success in the pursuit of high topical authority:

• The number of comprehensive pages on your site dedicated to your topic: Review how many pages on your site are dedicated to a specific topic and how in-depth the content is.
• Relevant keyword rankings: Use a tool like Google Search Console or Semrush to track relevant keyword rankings. The more you have, the higher your topical authority.
• AI and LLM visibility: Track whether your content appears in Google AI Overviews or is cited by AI search engines like ChatGPT, Gemini, and Perplexity. These citations are becoming another signal that your site is recognized as an authoritative source.
• Internal linking structure: A seamlessly structured internal linking strategy shows search engines the depth of resources you provide on a given topic.
• High-quality backlinks: If relevant (and authoritative) websites link to your content, you’ll have a stronger topical authority. Like the content on your site, the quality of your backlinks matters more than the quantity.
• Volume of organic traffic: Use a tool like Google Analytics to measure your website traffic. A boost in organic visits from relevant search terms suggests recognition as an authority in the space.

Further reading: How Does Internal Linking Help SEO? (How-To + 12 Best Practices)

A common challenge (and solution)

Even when perfectly executed, there are common challenges on the journey toward topical authority. Perhaps the greatest challenge? Tracking internal links, especially for large sites.

To combat this, Lewis created a tool he calls an internal link compass, using spreadsheets to track all cluster components and keep them in order of importance based on traffic volume.

“This tool is valuable not just to categorize all URLs by cluster,” says Lewis, “but also to identify internal links with the most link equity.”

“With the internal link compass, we can filter by any given cluster to see all of the URLs related to that cluster,” he adds.

“This gives us a list of internal links to build when writing new copy related to that cluster. This also puts the list in order of importance, as the links are also filtered by traffic volume.”

How topical authority impacts AI Overviews and LLM visibility

As AI-powered search experiences become more common, topical authority is becoming increasingly valuable.

Platforms like Google AI Overviews, ChatGPT Search, Gemini, and Perplexity aim to surface trustworthy, well-supported information rather than simply matching keywords.

While each platform uses its own ranking and retrieval methods, they all tend to favor sources that demonstrate clear expertise, comprehensive topic coverage, and strong credibility.

“It would appear, at least for now, LLMs are using search engines as a means to measure authority,” says Lewis.

“This is likely due to the fact that [search engines] are already a highly sophisticated means of measurement, and LLM companies don’t want to have to create their own E-E-A-T algorithm for determining who should be included in citations.”

Beyond rankings alone, websites with more topical authority are also more likely to have the characteristics AI systems prefer, such as:

• Comprehensive coverage of a topic rather than isolated articles
• Clear content organization with strong internal linking
• Accurate information
• Proof of expertise and original insights
• High-quality citations, references, and backlinks from authoritative sources

So, for now, if you earn a reputation as a go-to resource in the SERP from SEO, it is much more likely that you will be surfaced, cited, or referenced in AI-generated answers.

The takeaway

Whether you own an ecommerce store or a SaaS business, topical authority is about more than rankings and visibility — it’s about becoming the go-to source for valuable content in your industry.

By creating in-depth content, publishing on a regular schedule, interlinking content on relevant topics, and staying ahead of trends, websites can achieve topical authority that stands out to search engines and people alike.

As Google’s algorithms continue to prioritize reliable expertise, leaning into a content strategy that focuses on topical authority can result in higher rankings, greater visibility, more qualified traffic, and ultimately increased conversions.

Need some help along the way? We’ve got you covered.

This article has been updated and was originally published in April 2025.