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Page Autopsy

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Overview

Live per-element performance diagnosis: see exactly which images, scripts, CSS, and fonts slow down your page.

Page Autopsy runs a full performance, SEO, and accessibility audit on any page - right from Chrome's side panel, with zero setup. One click gives you a 0-100 health score built from real browser data: Core Web Vitals (LCP, CLS, INP, FCP, TTFB), total page weight, request count, and DOM size - the same signals Google uses to judge your page. WHAT IT CHECKS - Core Web Vitals with CLS culprits and long-task attribution, not just the numbers (full culprits and attribution with PRO) - Every resource on the page - images, scripts, CSS, fonts - broken down by size, domain, and load time (Scripts tab with PRO) - Third-party weight tracked separately from your own code (PRO) - Render-blocking scripts and stylesheets found in <head> - Cache & compression audit - flags resources served without gzip/brotli and estimates the savings - Duplicate request detection - Image audit - missing width/height (a top CLS cause), oversized images, missing lazy-load, outdated formats (JPEG/PNG that should be WebP/AVIF) - SEO scan - title, meta description, canonical tag, JSON-LD, preconnect hints (PRO) - Accessibility scan - missing lang attribute, images without alt text, heading hierarchy gaps - Privacy scan - flags known analytics/ad trackers loaded on the page - Compare Before/After - save a baseline and see if your fixes actually moved the needle (PRO) - One-click PDF export of the full report (PRO) FREE VS PRO Free is not a trial - run unlimited analyses on unlimited pages, forever. Free shows the top items in most sections (e.g. the biggest render-blocking files, the worst images). PRO unlocks the complete lists in every section, plus the PRO-only sections: the Scripts tab, full SEO scan, third-party weight breakdown, CLS culprits, Before/After comparison, and one-click PDF export. PRIVACY BY DESIGN Everything runs locally in your browser using the Performance and DOM APIs - no page content, URLs, or metrics are ever sent to a server. The only network call is to ExtensionPay to verify a PRO license, and only if you've purchased one. WHO IT'S FOR Developers debugging real-world performance regressions, freelancers auditing client sites before a handoff, and SEO/marketing folks who want a plain-language list of what to fix

Details

  • Version
    2.0.1
  • Updated
    August 9, 2026
  • Features
    Offers in-app purchases
  • Offered by
    iulian.icb
  • Size
    222KiB
  • Languages
    English
  • Developer
    Email
    husky.inzahaos@gmail.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization

Page Autopsy has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.

Page Autopsy handles the following:

Web history
Website content

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes
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