Audit overview
4 categories need attention: Performance, and 3 others.
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)
Content-Security-Policy header is missing
Without a CSP, a single XSS bug can exfiltrate everything your users type — including credentials.
Cookie 'AWSALB' is missing the Secure flag
A cookie without the Secure flag can leak over HTTP — in HSTS-protected sites, this is still a defense-in-depth gap.
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 24.3 MB (7.7 MB transferred)
Informational: total page weight (uncompressed) and bytes actually transferred over the wire.
Business case
What fixing the audit's findings is worth -- and what ignoring them keeps costing.
Return on investment
€553 investment → €11,259/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
7 barrier(s) likely increasing bounce by ~30%.
- Page takes 9.9s to loadUsers abandon at ~3s — you're 7.4s over the 2.5s threshold→ Optimize render-blocking resources, preload the hero image, and compress images
- Page feels frozen for 10.1sClicks on the primary CTA are ignored while JavaScript runs→ Break up long tasks; defer non-critical JavaScript to post-hydration
- Severe layout shift during page loadUsers mis-click when content jumps — converting intent into frustration→ Reserve space for images, ads, and embeds with explicit width/height
- 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
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
- 3 advertising/retargeting trackers detectedGDPR: EUR 10.000 – EUR 20.000.000
- Trackers detected but no cookie policy foundGDPR: EUR 5.000 – EUR 10.000.000
Bounce-Rate Cost
€6.626 /mo
+30.1pp bounce · ~3,012 lost visitors/mo
CPC: EUR 2.20
Bandwidth Waste
€1,80 /mo
24254.8 MB/mo × 0.074 EUR/GB
- Optimize transfer: save ~2.4 MB per page loadSaves €1,80/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.
5.73 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
9.87 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
10.09 s
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.268
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
14.40 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.
57.31 s
Desktop
First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.
1.43 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
1.43 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
1.03 s
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.735
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
4.89 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.
14.03 s
Categories
8Performance
Page weighs 24.3 MB (7.7 MB transferred)
Security
Content-Security-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 81+ on Performance; you're at 66 — closing this gap is the highest-leverage improvement.
Technology stack
Amazon ALB, hosted on Amazon Web Services, with unpkg CDN
Stack Architecture
Adobe Analytics 
Adobe Experience Platform Launch 
Datadog 
Innovid Advertising Measurement 
Parse.ly 
TVSquared 
comScore 
theTradeDesk 
Piano 
Amazon ALB Facebook Google Search Console 
Hammer.js 2.0.7
Loadable-Components 
Lodash 4.17.21Microsoft NS1 OneTrust 
Open Graph 
Priority Hints Proofpoint 
ServiceNow 
core-js 3.9.1reCAPTCHA 
Amazon Web Services All Detected Technologies (26)
Amazon Web Services (AWS) is a comprehensive cloud services platform offering compute power, database storage, content delivery and other functionality.
Amazon Application Load Balancer (ALB) distributes incoming application traffic to increase availability and support content-based routing.
Hammer.js is a JavaScript library for adding touch gestures like swipe, pinch, and rotate to web applications.
Loadable-Components is a library to solve the React code-splitting client-side and server-side.
Lodash is a JavaScript library which provides utility functions for common programming tasks using the functional programming paradigm.
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.
ServiceNow is a cloud computing platform to help companies manage digital workflows for enterprise operations.
core-js is a modular standard library for JavaScript, with polyfills for cutting-edge ECMAScript features.
Adobe Analytics is a web analytics, marketing and cross-channel analytics application.
Adobe Experience Cloud Launch is an extendable tag management solution for Adobe Experience Cloud, Adobe Experience Platform, and other applications.
Datadog is a SaaS-based monitoring and analytics platform for large-scale applications and infrastructure.
Innovid Advertising Measurement is a solution for assessing and analyzing the performance of advertising campaigns across different platforms and devices.
TVSquared is a cross-platform TV ad measurement, analytics and optimisation platform.
comScore is an American media measurement and analytics company providing marketing data and analytics to enterprises; media and advertising agencies; and publishers.
theTradeDesk is an technology company that markets a software platform used by digital ad buyers to purchase data-driven digital advertising campaigns across various ad formats and devices.
Piano is a enterprise SaaS company which specialising in advanced media business processes and ecommerce optimisation.
Observations (1)
Complex technology stack detected
26 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 · 6h total → projected B (81)
Sprint 1: Quick Wins
+7Highest ROI — low effort, high impact
- · Page weighs 24.3 MB (7.7 MB transferred)
- · Cookie 'AWSALB' is missing the Secure flag
- · HSTS header is missing
Sprint 2: Core Fixes
+3Medium effort, high structural impact
- · Content-Security-Policy header is missing
- · No Content-Security-Policy header found