Audit overview
4 categories need attention: Performance, and 3 others.
Fix Priority Matrix
5 findingsQuick Wins
2High impact, low effort — start here.
Strategic
3High 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)
Content-Security-Policy header is missing
Without a CSP, a single XSS bug can exfiltrate everything your users type — including credentials.
HSTS header is missing
Without HSTS, a network attacker can downgrade the very first connection to HTTP and steal the user's session.
No Content-Security-Policy header found
Without a CSP, a single XSS bug can exfiltrate everything users type — credentials, payment data, session tokens.
Page weighs 22.9 MB (5.4 MB transferred)
Informational: total page weight (uncompressed) and bytes actually transferred over the wire.
1 control(s) without accessible label
Form controls without labels — assistive tech announces 'edit text' with no context; users can't complete forms.
Business case
What fixing the audit's findings is worth -- and what ignoring them keeps costing.
Return on investment
€616 investment → €10,361/month returns + EUR 120,500,000 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 ~29%.
- Page takes 46.8s to loadUsers abandon at ~3s — you're 44.3s over the 2.5s threshold→ Optimize render-blocking resources, preload the hero image, and compress images
- Page feels frozen for 21.3sClicks on the primary CTA are ignored while JavaScript runs→ Break up long tasks; defer non-critical JavaScript to post-hydration
- 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
- Layout shifts during page loadContent movement causes mis-clicks on CTAs and form fields→ Add width/height to images; reserve space for late-loading embeds
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
€120.500.000
- No privacy policy link detectedGDPR: EUR 10.000 – EUR 20.000.000
- Trackers detected but no cookie policy foundGDPR: EUR 5.000 – EUR 10.000.000
- Trackers detected but no cookie policy foundGDPR: EUR 10.000 – EUR 20.000.000
Bounce-Rate Cost
€10.360 /mo
+29.4pp bounce · ~2,944 lost visitors/mo
CPC: EUR 3.52
Bandwidth Waste
€1,25 /mo
16855.0 MB/mo × 0.074 EUR/GB
- Optimize transfer: save ~1.7 MB per page loadSaves €1,25/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
Fix 5 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.
6.48 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
46.77 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
21.32 s
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.168
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
18.10 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.
51.57 s
Desktop
First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.
1.33 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
10.12 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
4.93 s
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.048
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
6.73 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.
11.03 s
Categories
8Performance
Page weighs 22.9 MB (5.4 MB transferred)
Security
Content-Security-Policy header is missing
Accessibility
1 control(s) without accessible label
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 Amazon Route 53 sites score 82+ on Sustainability; you're at 52 — closing this gap is the highest-leverage improvement.
Technology stack
Open edX, hosted on AWS, with AWS CloudFront CDN
Stack Architecture
Branch 
Google Analytics 
Google Tag Manager 
New Relic 
Open edX 
Open Graph 
Priority Hints 
Radix UI 
React 
Segment 5.2.0
Tailwind CSS 
Webpack 
reCAPTCHA 
shadcn/ui 
AWS CloudFront Amazon CloudFront 
Amazon S3 
Cloudflare 
AWS Amazon Web Services 
Next.js 15.2.9 Next.js App Router All Detected Technologies (28)
Amazon CloudFront is a fast content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency, high transfer speeds.
Amazon S3 or Amazon Simple Storage Service is a service offered by Amazon Web Services (AWS) that provides object storage through a web service interface.
Amazon Web Services (AWS) is a comprehensive cloud services platform offering compute power, database storage, content delivery and other functionality.
Next.js is a React framework for developing single page Javascript applications.
The Next.js App Router is a new paradigm for building applications using React's latest features.
The Open edX platform is a free and open source course management system.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.
Radix UI is a React-based user interface component library that offers accessible, responsive, and customisable components for building web applications.
React is an open-source JavaScript library for building user interfaces or UI components.
Segment is a customer data platform (CDP) that helps you collect, clean, and control your customer data.
Tailwind is a utility-first CSS framework for rapidly building custom user interfaces.
Webpack is an open-source JavaScript module bundler.
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.
shadcn/ui is a component system built with Radix UI and Tailwind CSS.
Branch is a mobile deep linking system to increase engagement and retention.
Google Analytics is a free web analytics service that tracks and reports website traffic.
Google Tag Manager is a tag management system (TMS) that allows you to quickly and easily update measurement codes and related code fragments collectively known as tags on your website or mobile app.
New Relic is a SaaS offering that focuses on performance and availability monitoring.
Observations (2)
No build tool detected
A framework (Amazon Route 53) 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
28 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 · 7h total → projected B (80)
Sprint 1: Quick Wins
+5Highest ROI — low effort, high impact
- · Page weighs 22.9 MB (5.4 MB transferred)
- · HSTS header is missing
Sprint 2: Core Fixes
+5Medium effort, high structural impact
- · 1 control(s) without accessible label
- · Content-Security-Policy header is missing
- · No Content-Security-Policy header found