Structured data and rich snippets: how to stand out in search results

What are structured data and rich snippets

Structured data is a machine-readable description of page content according to the dictionary Schema.org. You tell search engines not only "here is the text", but directly "this is a recipe, this is rated 4.8 out of 5, this is the price of CZK 499 and this is the author".

When the search engine understands this data, it can display the result more richly — as a so-called rich snippet (enriched result): with stars, price, photo, preparation time, drop-down questions or granular navigation. Such a result takes up more space, looks more credible and gets more clicks.

Why structured data pays off

By itself, it will not improve your position as a direct ranking factor. Their strength lies elsewhere — in how your result looks and how machines understand it.

• Higher click-through rate (CTR): enriched result with stars or price stands out and draws attention even from lower positions.
• Better understanding of content: the search engine knows exactly what the page means, which helps to rank it correctly.
• A ticket to special positions: recipes, events, products or FAQs will not get into the rich results at all without structured data.
• Readiness for AI Search engines: ChatGPT, Perplexity and Google AI Overviews read structured data more easily and cite it more readily.

The most useful types of schemas

There are dozens of schemes, but a few of the most common pay off in practice. Choose the ones that match your content — deploying a scheme that doesn't match the reality of the page is against the rules.

• Organization and WebSite — the basis for each site (logo, name, links to profiles, search box).
• BreadcrumbList — granular navigation directly in the result instead of long URL.
• Product with Offer and AggregateRating — price, availability and stars at the e-shop.
• Article / BlogPosting — author, publication date and photo for articles.
• FAQPage — drop-down questions and answers directly in SERPu.
• LocalBusiness — address, opening hours and telephone number of the brick-and-mortar establishment.
• Recipe, Event, Review, HowTo — for recipes, promotions, reviews and guides.

How to add them to the website (JSON-LD)

Google recommends the JSON-LD format — a block of code that you insert into the page header and you don't have to change the visible content because of it. It is separated from HTML so it is easy to maintain.

Most editorial systems and e-shops have plugins that JSON-LD generate automatically (e.g. for products or articles). For smaller sites, just insert one block manually. The key is that the data in the code matches what the user actually sees on the page.

Common mistakes to avoid

• The schema doesn't match the content — for example, a rating that isn't on the page at all. It Google punishes by ignoring or manual penalty.
• Only mandatory fields are filled in, recommended fields are missing — then the rich snippet will not get the result, even if the code is "valid".
• Ratings made up or aggregated from third party sources instead of real reviews on the site.
• Multiple conflicting blocks on one page confusing each other.
• Forgotten update after a template change — the schema refers to fields that no longer exist.

How to validate structured data

After deployment, always check that the code is valid and that it matches the content. Our structured data validator will scan the page, list all schemas found, highlight errors and missing recommended fields — and show you right away which rich results you're entitled to. After each major modification of the website, it is worthwhile to repeat the check.