Audit overview
Accessibility and Compliance need attention; the other categories are in good shape.
Fix Priority Matrix
5 findingsQuick Wins
3High impact, low effort — start here.
Strategic
2High impact, requires investment.
Easy Improvements
0Small gains, minimal effort.
Nothing in this quadrant — good news.
Deprioritize
0Low impact, high effort — do last.
Nothing in this quadrant — good news.
Screenshots
Top Priorities (5)
HSTS header is missing
Without HSTS, a network attacker can downgrade the very first connection to HTTP and steal the user's session.
No <main> landmark found
Without a <main> landmark, screen-reader users can't skip past the navigation to the page content — every page starts with re-reading the menu.
Cross-Origin-Embedder-Policy header is missing
COEP enforces that all embedded resources opt-in to cross-origin embedding — required for cross-origin isolation features.
Cross-Origin-Opener-Policy header is missing
COOP isolates your top-level browsing context from cross-origin windows — without it, popup-based side-channel attacks remain possible.
No DMARC record found
Without DMARC, anyone can send phishing emails using your domain name.
Business case
What fixing the audit's findings is worth -- and what ignoring them keeps costing.
Return on investment
$267 investment → $4,922/month returns + USD 157,500 risk avoided
Figures combine localized regulatory fine ceilings, search/conversion value priced against local CPC, and bandwidth waste estimates. Results depend on implementation quality and audience composition. Not legal or financial advice.
Conversion barriers
8 barrier(s) likely increasing bounce by ~18%.
- No HSTS headerReturning visitors are briefly exposed to downgrade attacks on first request→ Set Strict-Transport-Security: max-age=31536000; includeSubDomains
- No Content-Security-Policy headerHigher XSS blast radius — one compromised script can exfiltrate the checkout form→ Ship a reporting-only CSP first, then enforce once violations are clean
- Viewport disables user zoomVisitors with low vision can't read the page — and some jurisdictions treat this as a legal risk→ Remove user-scalable=no; drop maximum-scale if it's below 2
- No structured dataNo rich-result eligibility in Google — lower SERP CTR vs competitors with stars and prices→ Add JSON-LD for your page type (Product, Article, FAQPage, LocalBusiness, …)
- Thin contentUnder 300 words — visitors bounce looking for substance, search engines rank competitors first→ Add a substantive FAQ, product detail, or case-study section
Preliminary CRO audit — each barrier links to the tab with detailed analysis.
Remediation cost
Start here for the best return on investment
Cost by category
Cost by effort level
Adjust assumptions
Team composition
Multiplier applied to dev hours to reflect QA, design, and PM overhead. Use Dev only for solo work; Full team for projects with formal review processes.
Rates reflect fully-loaded developer cost including overhead
Warning:Cost of inaction
Compliance Risk
$157,500
- No privacy policy link detectedCCPA/CPRA: USD 2,500 – USD 7,500
- Trackers detected but no cookie policy foundCCPA/CPRA: USD 2,500 – USD 7,500
- Trackers detected but no privacy policy foundCCPA/CPRA: USD 2,500 – USD 7,500
Bounce-Rate Cost
$4,921 /mo
+18.3pp bounce · ~1,830 lost visitors/mo
CPC: USD 2.69
Bandwidth Waste
$0.09 /mo
1111.6 MB/mo × 0.080 USD/GB
- Optimize transfer: save ~111 KB per page loadSaves $0.09/mo
Compliance figures represent the statutory maximum fine for the most severe triggered category, capped per regulation — not the sum of per-finding penalties. Based on published regulatory fine ranges. This is not legal advice.
Unique monthly visitors from your analytics
Purchases, signups, or key actions
Optional — for revenue estimation
more engaged visitors from reduced bounce
Fix 2 critical issues to capture this value
How this is calculated
Based on Google/Deloitte research ("Milliseconds Make Millions") showing a ~7% bounce rate increase per additional second of LCP above the 2.5s "Good" threshold.
Your site's LCP: → estimated after fixes.
These are estimates based on industry research — actual results vary
Your data stays in your browser — nothing is sent to our servers
Lighthouse
Mobile
First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.
927 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
2.34 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
170 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.001
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
1.21 s
Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.
3.91 s
Desktop
First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.
444 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
778 ms
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
0 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.001
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
461 ms
Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.
778 ms
Categories
8Performance
All checks pass
Security
HSTS header is missing
Accessibility
No <main> landmark found
SEO
All checks pass
Infrastructure
All checks pass
Compliance
All checks pass
Content
All checks pass
Sustainability
All checks pass
How you compare
Where this site stands against peers running the same stack.
Top 10% of Facebook sites score 95+ on SEO; you're at 70 — closing this gap is the highest-leverage improvement.
Top 10% of HTTP/3 sites score 96+ on SEO; you're at 70 — closing this gap is the highest-leverage improvement.
Technology stack
Facebook, on Emotion, hosted on Next.js, with Cloudflare CDN
Stack Architecture
HTTP/3 
Open Graph 
React 
Sentry 
Webpack 
Emotion 
Turbopack 
Cloudflare 
Next.js 16.2.3All Detected Technologies (10)
Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
Next.js is a React framework for developing single page Javascript applications.
Emotion is a library designed for writing CSS styles with JavaScript.
Turbopack is an incremental bundler for JavaScript and TypeScript, written in Rust and integrated into the Next.js framework for optimized build performance.
HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.
Open Graph is a protocol that is used to integrate any web page into the social graph.
React is an open-source JavaScript library for building user interfaces or UI components.
Sentry is an open-source platform for workflow productivity, aggregating errors from across the stack in real time.
Webpack is an open-source JavaScript module bundler.
Observations (2)
No build tool detected
A framework (Facebook) was detected but no bundler was identified. The build tool may not be detectable from output patterns, or the site may use the framework's built-in bundler.
Complex technology stack detected
10 technologies identified. A complex stack increases maintenance burden and attack surface. Consider whether all components are actively needed.
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Fix Plan
Three-week roadmap to ship the audit's findings, with one-click copy targets for your tracker.
Three-week fix plan
2 sprints · 3h total → projected B (85)
Sprint 1: Quick Wins
+5Highest ROI — low effort, high impact
- · No <main> landmark found
- · HSTS header is missing
- · Cross-Origin-Opener-Policy header is missing
Sprint 2: Core Fixes
+1Medium effort, high structural impact
- · Cross-Origin-Embedder-Policy header is missing
- · No DMARC record found