Was ist Schema Markup?
Kurzdefinition
Schema-Markup ist strukturierter Datencode, der Ihrer Website hinzugefügt wird und Suchmaschinen hilft, Inhalte zu verstehen und Rich Results zu ermöglichen.
Schema markup (also called structured data) is a standardized vocabulary of tags you can add to your HTML to help search engines interpret the meaning of your content. It uses the Schema.org vocabulary, a collaborative project supported by Google, Bing, Yahoo, and Yandex.
When you add schema markup to a page, you're essentially providing a detailed label that tells search engines exactly what each piece of content represents. For example, instead of just seeing text that says "$49.99," a search engine can understand that this is the price of a specific product, available at a specific store, with a specific star rating.
Common schema types include Organization, LocalBusiness, Product, Review, FAQ, HowTo, Event, Recipe, Article, and BreadcrumbList. Each schema type has specific properties that describe different attributes. A Product schema, for instance, can include name, price, availability, brand, and aggregate ratings.
Implementing schema markup is done through JSON-LD (recommended by Google), Microdata, or RDFa formats. JSON-LD is the most popular because it's added as a script block in the page's HTML head, keeping it separate from the visible content and making it easier to maintain.
Warum es wichtig ist
Schema markup enables rich results (also called rich snippets) in search results, which are visually enhanced listings that stand out from regular results. Pages with rich results typically see 20-30% higher click-through rates because they're more visually appealing and informative.
Beyond rich results, schema markup helps search engines understand your content at a deeper level, potentially improving your rankings for relevant queries. It's also essential for voice search optimization, as voice assistants rely on structured data to provide spoken answers.
Praxisbeispiele
A recipe website added Recipe schema markup to all their recipes, resulting in rich results showing cooking time, calories, and star ratings, which increased organic clicks by 35%
A local dentist implemented LocalBusiness and Review schema, causing their star rating to appear in Google search results, which doubled their click-through rate
An event venue added Event schema to their upcoming shows page, and their events started appearing in Google's dedicated events search feature
A FAQ page with FAQPage schema earned expandable FAQ results in Google, occupying significantly more SERP real estate and pushing competitors below the fold
Verwandte Begriffe
Technical SEO
Technisches SEO bezeichnet die Optimierung der Website-Infrastruktur, damit Suchmaschinen Ihre Seiten effizient crawlen, indexieren und rendern können.
SERP (Search Engine Results Page)
Eine SERP ist die Seite, die eine Suchmaschine als Antwort auf eine Anfrage anzeigt und organische Ergebnisse, bezahlte Anzeigen und Featured Snippets enthält.
On-Page SEO
On-Page-SEO umfasst die Optimierung einzelner Webseiten — Inhalte, HTML-Code und interne Links — um in Suchmaschinen höher zu ranken.
Core Web Vitals
Core Web Vitals sind drei spezifische Metriken von Google, die die reale Nutzererfahrung auf Websites messen: Ladeleistung (LCP), Interaktivität (INP) und visuelle Stabilität (CLS).
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