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Web Development Intermediate

What is Structured Data (Schema.org)?

A standardized vocabulary for marking up web content so search engines can understand and display it as rich results.

Schema.org provides a shared vocabulary (maintained by Google, Microsoft, Yahoo, and Yandex) for structured data markup on web pages. Common types include Product, Article, FAQPage, HowTo, Organization, BreadcrumbList, LocalBusiness, and Event. Implementation uses JSON-LD (recommended), Microdata, or RDFa embedded in HTML. Google uses structured data to generate rich results — star ratings, FAQ accordions, product prices, recipe cards, and event listings in search results. Rich results increase click-through rates by 20-30%. Google's Rich Results Test and Schema Markup Validator help verify implementations. Proper schema markup is a key SEO technique.

Related Terms

SSR (Server-Side Rendering)
A technique where web pages are rendered on the server and sent as complete HTML to the browser, improving SEO and initial load time.
AJAX
A technique for making asynchronous HTTP requests from a web page without reloading the entire page.
DOM (Document Object Model)
A programming interface for HTML documents that represents the page structure as a tree of objects that can be manipulated with JavaScript.
Web Components
A set of browser-native APIs for creating reusable, encapsulated custom HTML elements with their own styling and behavior.
Brotli Compression
A modern compression algorithm developed by Google that achieves better compression ratios than Gzip for web content delivery.
Webhook
A mechanism where a server sends real-time HTTP POST notifications to a specified URL when specific events occur.
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