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Audit web pages for performance, accessibility, SEO, security & PWA. Get actionable reports. PageDoctor - Your Website's Health Check PageDoctor is a comprehensive web quality auditor that analyzes your web pages and provides actionable insights to improve performance, accessibility, SEO, security, and PWA compliance. PERFORMANCE AUDITS • Core Web Vitals: LCP, CLS, TTI, FCP • First Contentful Paint analysis • Largest Contentful Paint tracking • Cumulative Layout Shift detection • Time to Interactive measurement • DOM size optimization • Render-blocking resource detection • Image optimization checks ACCESSIBILITY AUDITS • Image alt text validation • Heading hierarchy checks • Descriptive link verification • Form label compliance • Document language detection • Color contrast analysis BEST PRACTICES • HTTPS usage verification • Valid doctype detection • Character encoding checks • Console error monitoring • Deprecated API detection SEO AUDITS • Document title optimization • Meta description analysis • Viewport configuration • Canonical URL validation • Structured data detection • Mobile-friendliness checks SECURITY AUDITS • HTTPS enforcement • Content Security Policy detection • X-Frame-Options validation • Mixed content warnings PWA AUDITS • Web App Manifest validation • Service Worker detection • Installability checks BONUS FEATURES Technology Detection Automatically identifies frameworks (React, Vue, Angular), libraries (jQuery, Bootstrap), analytics tools, CMS platforms, and CDNs used on any website. Carbon Footprint Estimation Measures the environmental impact of web pages with an A+ to F rating system. See estimated CO₂ emissions per page view. Detailed Reports Generate comprehensive reports with scores, recommendations, and actionable insights. Export as JSON or print for your records. Metric Explanations Hover over any metric to learn what it measures, why it matters, and what good/poor scores look like. SCORING SYSTEM Scores are calculated on a 0-100 scale: • 🟢 90-100: Good - Excellent performance • 🟡 50-89: Needs Improvement - Some issues detected • 🔴 0-49: Poor - Significant issues to address PERFECT FOR • Web Developers optimizing site performance • SEO Specialists improving search rankings • QA Engineers testing web applications • Accessibility Consultants ensuring compliance • Digital Agencies auditing client websites • Anyone who wants faster, better websites PRIVACY PageDoctor runs entirely in your browser. No data is sent to external servers. All audits are performed locally. Get started in seconds - just click the PageDoctor icon and hit "Run Audit"!
Jan 21, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.