Sitemap Validator Pro

About

Check URL status codes, analyze performance metrics, visualize results, verify robots.txt rules, audit indexability signals (meta robots, X-Robots-Tag, canonicals), and edit sitemaps.

The all-in-one sitemap companion for webmasters and SEO pros to analyze, validate, and improve sitemap quality, crawlability, and index readiness.

✨ Key Features
📊 Comprehensive Sitemap Validation
🔄 Check HTTP status codes for every URL in your sitemap
🚫 Spot broken URLs (4xx/5xx) instantly
↪️ Detect redirects and redirect chains (3xx)
✅ Validate sitemap XML structure (including sitemap indexes)

🧭 Indexability & Canonical Audits (NEW)
🏷️ Meta Robots Detection: flag noindex, nofollow, noarchive, etc. on each URL
🧾 X-Robots-Tag Headers: identify server-level indexing directives (often the sneaky ones)
🔗 Canonical Tag Validation: detect missing canonicals, non-self-referencing canonicals, and conflicting canonical signals
🚨 Quickly find “in sitemap but blocked from indexing” issues that waste crawl budget and hurt visibility

📈 Interactive Data Visualization
🥧 Status code distribution via pie charts
📊 Response time analysis with bar graphs
📉 Performance trends over time
🔍 Filter by status codes, response times, and indexability flags

🛠️ Advanced Analysis Tools
💯 Overall sitemap/site health scoring
⏱️ Average response time + distribution
🚀 Fastest vs slowest URLs (so you know where the pain lives)
💡 Actionable recommendations based on findings

🤖 Robots.txt Integration
🚧 Check whether sitemap URLs are blocked by robots.txt
📝 Verify sitemap declarations inside robots.txt
🧪 Test rules for different user-agents (Googlebot, Bingbot, etc.)

💾 Editing & Export Capabilities
✏️ Edit sitemap XML directly in the extension
🔄 Bulk find & replace URLs
📁 Export results to CSV / JSON
🖼️ Save charts as PNG
🌐 Generate HTML sitemaps for user navigation

🚀 How It Works
Paste a sitemap URL (or auto-suggest from the current site)
The extension loads and parses the sitemap (and sitemap indexes)
Run checks across all URLs: status codes, speed, robots rules, meta robots, X-Robots-Tag, canonicals

Review results in a multi-tab dashboard:
🧪 Validate: status codes, redirect chains, XML checks
🧭 Indexability: meta robots + headers + canonicals
📊 Analyze: performance metrics, health score, insights
📈 Visualize: charts + filters
🤖 Robots: robots.txt verification

Export your audit or jump straight into fixes
💼 Use Cases
🔍 SEO Audits: uncover crawlability + indexability conflicts fast
🔄 Website Migrations: ensure the “new” URLs aren’t redirecting forever (or noindex’d by accident)
⚡ Performance Checks: find slow URLs that harm crawl efficiency
📑 Content Ops: keep sitemaps clean and consistent
🛠️ Technical SEO: verify robots.txt + canonical hygiene at scale

💻 Technical Details
Supports XML sitemaps + sitemap indexes
Handles standard HTTP status codes and redirect chain analysis
Runs locally in your browser for speed and privacy
No data collection
Built with modern web tech (HTML5, CSS3, JavaScript)