Audit overview
Accessibility needs attention; the rest of the categories are in good shape.
Fix Priority Matrix
5 findingsQuick Wins
4High impact, low effort — start here.
Strategic
1High 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.
2 link(s) with no accessible text
Links with no accessible text (empty <a></a>, image-only no alt, icon-only no aria-label) are unidentifiable to screen readers.
44 image-only link(s) without alt text
Image-only links with no alt are unidentifiable to screen-reader users — link's destination is invisible.
46 image-in-link without alt text
Image-only links with no alt create empty links — screen-reader users hear 'link' with no destination context.
48 image(s) missing alt attribute
Each image without alt text is a WCAG 1.1.1 failure — invisible to screen-reader users, lost from Google Image Search.
Business case
What fixing the audit's findings is worth -- and what ignoring them keeps costing.
Return on investment
€179 investment → €11,131/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
6 barrier(s) likely increasing bounce by ~27%.
- Page takes 8.5s to loadUsers abandon at ~3s — you're 6.0s over the 2.5s threshold→ Optimize render-blocking resources, preload the hero image, and compress images
- Page feels frozen for 615msClicks 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 detectedRGPD: EUR 10.000 – EUR 20.000.000
- 5 advertising/retargeting trackers detectedRGPD: EUR 10.000 – EUR 20.000.000
- Trackers detected but no cookie policy foundRGPD: EUR 5.000 – EUR 10.000.000
Bounce-Rate Cost
€5.890 /mo
+26.8pp bounce · ~2,677 lost visitors/mo
CPC: EUR 2.20
Bandwidth Waste
€0,81 /mo
10976.8 MB/mo × 0.074 EUR/GB
- Optimize transfer: save ~1.1 MB per page loadSaves €0,81/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.
1.58 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
8.51 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
615 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.204
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
5.32 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.
20.57 s
Desktop
First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.
403 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
1.79 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
23 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.055
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
1.97 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.
4.01 s
Categories
8Performance
All checks pass
Security
HSTS header is missing
Accessibility
2 link(s) with no accessible text
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 85+ on Compliance; you're at 72 — closing this gap is the highest-leverage improvement.
Technology stack
DataDome, on OpenResty, with Nginx CDN
Stack Architecture
Adobe Analytics 
Adobe Experience Platform Launch 
Adobe Target 2.11.4
Amazon Advertising 
DoubleClick Floodlight 
Google AdSense 
Google Publisher Tag 
Google Tag Manager 
Marfeel 
Prebid 10.27.0
DataDome 
Didomi Google Play app Google Search Console Microsoft 
Open Graph 
PWA 
ServiceNow 
core-js 3.27.2iOS app 
OpenResty 
Nginx All Detected Technologies (22)
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
OpenResty is a web platform based on nginx which can run Lua scripts using its LuaJIT engine.
DataDome is a cybersecurity platform that specialises in bot protection and mitigation, offering advanced solutions to safeguard websites and mobile applications against malicious bot traffic, credential stuffing, scraping, and other automated threats.
Didomi is a consent management platform helping brands and businesses collect, store and leverage their customer consents.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Progressive Web Apps (PWAs) are web apps built and enhanced with modern APIs to deliver enhanced capabilities, reliability, and installability while reaching anyone, anywhere, on any device, all with a single codebase.
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.
Adobe Target is an A/B testing, multi-variate testing, personalisation, and optimisation application
Amazon Advertising (formerly AMS or Amazon Marketing Services) is a service that works in a similar way to pay-per-click ads on Google.
Google AdSense is a program run by Google through which website publishers serve advertisements that are targeted to the site content and audience.
Google Publisher Tag (GPT) is an ad tagging library for Google Ad Manager which is used to dynamically build ad requests.
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.
Marfeel is a publisher platform that allows publishers to create, optimise and monetise their mobile websites.
Prebid is an open-source header bidding wrapper. It forms the core of our Nucleus ad platform, helping maximize revenue and performance for publishers.
Observations (2)
No build tool detected
A framework (DataDome) 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
22 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 (84)
Sprint 1: Quick Wins
+6Highest ROI — low effort, high impact
- · HSTS header is missing
- · 2 link(s) with no accessible text
- · 44 image-only link(s) without alt text
- · 46 image-in-link without alt text
Sprint 2: Core Fixes
+1Medium effort, high structural impact
- · 48 image(s) missing alt attribute