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What is the Google Knowledge Graph and how it affects SEO
Google's Knowledge Graph organises information around entities such as people, companies and products, significantly impacting e-commerce. It helps the search engine understand and connect your brand with its digital ecosystem. For e-commerce owners, this means that Google not only evaluates keywords but also the overall presence and credibility of the business. Proper use of the Knowledge Graph can boost awareness and trust, improving search results and conversion rates.
What is the Knowledge Graph and why it is relevant to e-commerce
The Knowledge Graph is Google's knowledge base that organizes information around entities - people, companies, products, locations, categories, events and relationships between them. Unlike the older search logic, where Google primarily matched keywords to pages, the google knowledge graph helps the search engine understand what something means, who it is associated with, and why it is trustworthy. For an e-commerce owner, this is not a theoretical discussion about SEO. It's how Google understands the brand, products, categories, founders, physical stores, reviews, shipping policies and the broader digital presence of the business.
The Ahrefs article on the Knowledge Graph highlights a crucial idea: Google doesn't just display “answers”, but connects entities within a knowledge ecosystem. This means that a brand is not just competing for rankings on blue links. It competes for understanding, trust and recognition within semantic search. When Google can clearly identify your company as a brand entity, link it to your website, social profiles, Google Business Profile, references to trusted sites, your products and structured data that you have implemented, you increase the chances of appearing in a richer way in search results.
The Knowledge Graph scale shows why the issue is strategic. When Google introduced the Knowledge Graph in 2012, it reported that it included more than 500 million objects and over 3.5 billion events and relationships. In 2020, Google reported that it had organized more than 500 billion facts about 5 billion entities. Simply put, search moved from words to entities. As shown in the graph below, the growth in entities has been impressive.
Developing Entities on the Google Knowledge Graph
Sources:Google Official Blog 2012, Google Search On 2020
2012
0.5 billion.
2020
5 billion.
The increase is not only in the number of entities, but also in the volume of relationships Google knows about them. For an e-shop, these relationships may include that a brand sells specific product categories, has a specific country of operation, has a physical store, is linked to verified social profiles, has reviews on third-party platforms or is mentioned in niche media. The second graph captures the huge increase in facts and relationships that have been organized by Google.
Developing Facts and Relationships in the Knowledge Graph
Sources:Google Official Blog 2012, Google Search On 2020
2012
3.5 billion.
2020
5 billion.
How it works: entities, relationships and sources of trust
To leverage the Knowledge Graph, you must first think like Google. Google doesn't just see a “Men's Sneakers” page. It's trying to figure out what business is behind it, what the brand is, what products it sells, what their features are, what the availability is, what the price is, what customers are saying, whether there are credible references in other sources, and whether all of this is consistent with each other. This is the core of entity seo: you help search engines understand exactly who you are, what you offer and why you are trustworthy.
Ahrefs explains that the Knowledge Graph draws information from many sources, including public databases, trusted websites, structured data and recognised references. In practice, this means that Google is not satisfied with what you say about your business. It's looking for consistency. If the brand name appears in different spellings on social media, directories, marketplaces and press mentions, understanding becomes blurred. If the website states one address but the Google Business Profile states another, doubt is created. If the website indicates a website with the same name and address, there is a doubt. schema markup data does not match the content of the page, the credibility is reduced. Consistency is the first practical step in making the brand a recognizable entity.
Structured data plays an important role, but it is not a magic button. Schema markup helps Google read in a machine-understandable way elements like Organization, LocalBusiness, Product, Offer, Review, BreadcrumbList, FAQPage and Article. For e-commerce businesses, proper product markup can support rich results, meaning more enriched displays in results with price, availability, reviews or breadcrumbs. However, structured data works best when confirmed by actual page content and external trusted sources. Google doesn't just “believe” your JSON-LD because it's in the code. It compares it to the larger information ecosystem.
This is where the E-E-A-T comes in, i.e. Experience, Expertise, Authoritativeness and Trustworthiness. For an e-shop, experience can be captured through detailed product descriptions, real photos, selection guides, comparison, user videos and after-sales content. Expertise is shown when the business creates meaningful content around its categories rather than simple keyword pages. Authority is built with mentions, digital PR, partnerships, reviews and recognisable profiles. Trust is enhanced with clear return policies, secure payments, complete contact information, consistent NAP data and real customer service.
What it means for SEO, brand SERP and conversions
The relationship between Knowledge Graph and SEO is deeper than the appearance of a knowledge panel. The knowledge panel, which is the box of information that can appear for a brand or person in search results, is the most visible expression of the Knowledge Graph. But the real value lies in how Google understands and connects your brand throughout the search journey. When a user searches for your brand, compares products, looks for reviews or asks for solutions to a problem, Google chooses which results to highlight based on relevance, credibility and the entity's level of understanding.
For e-commerce owners, this directly affects the brand SERP. The brand SERP is the results page that appears when someone searches for your brand. If the official site, Google Business Profile, social profiles, reviews, marketplace listings, articles, videos and possibly a knowledge panel are displayed there correctly, the user gains trust before they even get to the site. Conversely, if disjointed information, old profiles, negative unresponsive reviews or competitors are displayed, purchase intent may be diminished. In an environment where advertising costs are rising, brand SERP optimization is an infrastructure of trust, not a vanity metric.
The importance becomes even greater because of zero-click searches. According to SparkToro and Datos analysis for 2024, the percentage of Google searches that do not result in a click is approximately 58.5% in the US and 59.7% in the European Union. This doesn't mean that SEO is dying. It means that some of the value is moving from click to visibility, direct response, awareness and building trust before the visit. As shown in the graph below, zero-click searches are now the majority in key markets.
Zero-click Searches on Google in 2024
Source: SparkToro and Datos, 2024
European Union
59.7 %
USA
58.5 %
This changes the way you should evaluate knowledge graph seo. It's not enough to just look at organic clicks. You need to track branded impressions, direct traffic growth, quality of searches with the brand, visibility in rich results, appearance in knowledge panels, consistency of information across third-party sources and assisted conversions. A brand can influence the purchase decision within the results page, even if the user clicks later from another device, through a paid campaign or directly to the domain.
Step-by-Step: how to build brand entities that Google understands
The first step is to clean up the brand identity. List the official name, brand name, domain, logo, social profiles, phone number, address, support email, founders or key people, key product categories and the markets you operate in. Then check that these appear consistently on the website, Google Business Profile, social media, marketplaces, directories, review platforms and press mentions. If you find inconsistencies, fix those first. Google needs a clean signal, not noise.
The second step is to create a strong “About Us” or “About” page. Many e-shops treat this page as a formal requirement, when in fact it is a key entity asset. Describe who the brand is, when it was created, what need it serves, what the team is, what product categories it covers, what differentiates it, and where it can be found officially. Add links to verified social profiles, contact details and, where relevant, media or partnership references. If there is a physical presence, link it to your Google Business Profile.
The third step is mapping out the key entities of your e-commerce. For example, a cosmetics e-shop should not only think about keywords like “moisturizer”. It needs to map entities such as brand, ingredients, skin types, problem-solving products, certifications, product lines, uses and target audience. This process leads to better category architecture, more useful product descriptions and more meaningful content marketing. Topical authority isn't built with random blog posts, but with thematic clusters that prove you know your market in depth.
The fourth step is to use reliable external sources. The linked open data ecosystem, sources like Wikidata when there is real encyclopedic or public value, and credible references to industry sites can help Google confirm what the brand is. Warning: not every small e-shop needs to chase Wikipedia or Wikidata for no reason. Abusing or creating low-quality profiles doesn't help. Instead, invest in real digital PR, partnerships with trusted publishers, case studies, market research, guides and content worthy of third-party mentions.
The fifth step is to enhance the content with intent and experience. Create buying guides, product comparisons, FAQs, customer problem articles, video tutorials and pages that explain the differences between categories. These don't just serve long-tail queries. They help semantic search connect your brand to specific topics, needs and solutions. When users search for information around your subject matter and Google sees that you systematically cover the topic, it gradually builds association between the brand entity and the category.
Frequently Asked Questions (FAQs)
Technical testing of structured data for e-commerce
On a technical level, start with Organization or LocalBusiness schema on the home page, depending on the nature of the business. Include name, url, logo, sameAs links for official social profiles, contactPoint and, where applicable, address. On product pages, use Product schema with name, image, description, sku or gtin where applicable, brand, offers, price, priceCurrency, availability and aggregateRating only when reviews are real and appear on the page. In categories, leverage BreadcrumbList for clean hierarchy. In educational content, use Article schema and declare author when there is a real author or expert reviewer.
What is the Google Knowledge Graph?;
The Knowledge Graph is Google's knowledge base that organizes information around entities such as people, companies, products and locations. It helps the search engine understand the relationships and reliability of information.
Why is the Knowledge Graph important for e-commerce?;
The Knowledge Graph influences how Google perceives your brand and products, increasing the chances that you'll show up with rich search results. It helps users understand and trust your brand.
How does the Knowledge Graph affect SEO and brand SERP?;
Knowledge Graph influences SEO through understanding and connecting your brand to the search journey. It improves brand SERP by displaying official site, social profiles and reviews, building user trust.
What are the key steps to build a recognizable brand entity?;
Start with a clear brand identity, capture all information and ensure consistency across all platforms. Create a strong "About Us" page and leverage trusted external sources for validation.
How does structured data support the Knowledge Graph?;
Structured data helps Google understand mechanical data such as products and ratings. Proper implementation with schema markup enhances the appearance in rich results and the credibility of your brand.
What are zero-click searches and how do they affect e-commerce?;
Zero-click searches are searches that do not result in clicks, but provide immediate answers. They affect e-commerce by transferring value to visibility and awareness before the site is visited.
How can I track progress on the Knowledge Graph?;
Track branded searches, display in rich results and consistency across third-party sources. Regularly check your brand SERP to ensure your digital credibility.