Check structured data for syntax errors, missing required properties, and eligible Google Rich Snippet results.
Validates JSON-LD, Microdata, and RDFa markup against Schema.org official schemas and Google Search rich result specifications.
Verifying FAQ schema, Product price/review schema, Article schema, and BreadcrumbList markup on your website.
Ranked by feature completeness, privacy safety, and ease of use.
Preview, edit, and generate Open Graph and social media meta tags.
Metatags.io lets you preview how your website will appear on Google, Twitter, Facebook, LinkedIn, Discord, and Pinterest with live editing.
Official Schema.org structured data and JSON-LD validator.
The official validator by Schema.org to inspect JSON-LD, Microdata, and RDFa structured data on web pages for syntax compliance.
Free technical SEO site audits, backlink reports, and keyword rankings.
Ahrefs Webmaster Tools gives website owners free access to technical SEO audits, broken link detection, organic keyword tracking, and backlink data.
Common questions and practical advice for completing this task.
Structured data enables rich search results (star ratings, FAQ accordions, breadcrumbs, pricing) that drastically boost organic search click-through rates.
Create SEO meta tags and preview exactly how your web links will look when shared on Google, Twitter/X, Facebook, LinkedIn, and Discord.
Fix malformed JSON, format minified API payloads with indentation, and explore complex nested JSON visually in an interactive tree.
Analyze real-world mobile and desktop loading performance with actionable diagnostic recommendations from Google Lighthouse.