Audit overview
Accessibility and Content 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)
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.
DMARC policy is none — monitoring only
DMARC p=none collects reports but doesn't actually block spoofed mail — phishing emails still reach inboxes.
JavaScript is 865 KB — consider code splitting or lazy loading
JavaScript bundle is large — code-split routes and lazy-load off-screen components to defer.
No Permissions-Policy header
Permissions-Policy locks down browser APIs you don't use, shrinking the attack surface.
Business case
What fixing the audit's findings is worth -- and what ignoring them keeps costing.
Return on investment
€550 investment → €8,725/month returns + EUR 500,000 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 ~32%.
- Page takes 5.3s to loadUsers abandon at ~3s — you're 2.8s over the 2.5s threshold→ Optimize render-blocking resources, preload the hero image, and compress images
- Page feels frozen for 1.7sClicks on the primary CTA are ignored while JavaScript runs→ Break up long tasks; defer non-critical JavaScript to post-hydration
- 21 broken link(s) on the pageClicks land on 404s — trust drops and the session often ends→ Fix or remove the broken destinations surfaced on the Content tab
- 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
- No Open Graph tagsLinks shared on LinkedIn / Slack / Facebook show bare URLs — referral clicks drop→ Add og:title, og:description, og:image, og:url to the page head
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
€500.000
- No <nav> landmark foundEAA: EUR 1.000 – EUR 500.000
- Skip navigation link is missing (WCAG 2.4.1)EAA: EUR 1.000 – EUR 500.000
- No headings foundEAA: EUR 1.000 – EUR 500.000
Bounce-Rate Cost
€7.086 /mo
+32.2pp bounce · ~3,221 lost visitors/mo
CPC: EUR 2.20
Bandwidth Waste
€0,25 /mo
3373.8 MB/mo × 0.074 EUR/GB
- Optimize transfer: save ~337 KB per page loadSaves €0,25/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
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.
1.12 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
5.32 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
1.68 s
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.056
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
3.38 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.
7.88 s
Desktop
First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.
303 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
515 ms
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
242 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.016
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
981 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.
1.53 s
Categories
8Performance
JavaScript is 865 KB — consider code splitting or lazy loading
Security
Cross-Origin-Embedder-Policy header is missing
Accessibility
All checks pass
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 core-js sites score 95+ on Content; you're at 56 — closing this gap is the highest-leverage improvement.
Top 10% of Facebook sites score 95+ on Content; you're at 56 — closing this gap is the highest-leverage improvement.
Technology stack
Facebook, with Nginx CDN
Stack Architecture
Tailwind CSS 
TinyMCE 8
core-js 3.49.0
Nginx All Detected Technologies (7)
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
TinyMCE is an online rich-text editor released as open-source software. TinyMCE is designed to integrate with JavaScript libraries, Vue.js, and AngularJS as well as content management systems such as Joomla!, and WordPress.
core-js is a modular standard library for JavaScript, with polyfills for cutting-edge ECMAScript features.
Observations (1)
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.
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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
3 sprints · 10h total → projected B (84)
Sprint 1: Quick Wins
+3Highest ROI — low effort, high impact
- · Cross-Origin-Opener-Policy header is missing
- · No Permissions-Policy header
- · DMARC policy is none — monitoring only
Sprint 2: Core Fixes
Medium effort, high structural impact
- · Cross-Origin-Embedder-Policy header is missing
Sprint 3: Strategic Improvements
+1Higher effort, long-term payoff
- · JavaScript is 865 KB — consider code splitting or lazy loading