Analyze website HTML metadata online. Check title tags, meta descriptions, canonical URLs, robots directives, Open Graph, Twitter cards, and JSON-LD structured data in real time.
Audit title tags, meta descriptions, canonicals, robots, Open Graph, Twitter cards, and JSON-LD — then preview Google and social snippets instantly.
Analysis runs in-memory. HTML is never stored, private IPs are blocked, and target URLs are not tracked.
Enter any public URL or paste HTML to see a health score, Google snippet, social cards, and a tag-by-tag audit.
Pixel-accurate title and description meters with live editing.
Facebook, LinkedIn, and X previews from Open Graph and Twitter tags.
Issues, warnings, and passes with a copyable recommendation on each.
Schema types, raw tags, canonicals, robots, and hreflang in one place.
Resolving host & parsing HTML markup…
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Evaluating metadata tags…
| Property | Extracted value |
|---|
The <title> tag is one of the single most important on-page SEO signals. Google typically displays the first 50–60 characters (or ~580 pixels) of a title tag in search results. Titles that are too short miss keyword opportunities, while overly long titles get truncated with an ellipsis (...).
The meta description provides a concise summary of a webpage (recommended length: 120–160 characters). While not a direct ranking factor, a well-crafted description with a clear call-to-action significantly increases Click-Through Rates (CTR) from Search Engine Results Pages (SERPs).
The rel="canonical" link tag specifies the authoritative master URL for duplicate or similar pages. It prevents duplicate content penalties caused by URL parameters, HTTP/HTTPS variants, trailing slashes, or syndicated content.
Open Graph protocols (og:title, og:description, og:image, og:url) control how your webpage appears when shared across Facebook, LinkedIn, Discord, and WhatsApp. Featuring a high-quality 1200x630px image drastically boosts social engagement.
Twitter/X uses twitter:card, twitter:title, twitter:description, and twitter:image tags to format rich media tweets. Summary cards with large images (summary_large_image) perform best for blog posts and product pages.
JSON-LD (JavaScript Object Notation for Linked Data) embeds structured schemas directly in your HTML to trigger Rich Snippets in Google search, such as star ratings, FAQ accordions, breadcrumbs, articles, or product prices.
Quick answers about how this tool works.
Plain-language explainers that sit next to this tool.
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