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.
No Content-Security-Policy header found
Without a CSP, a single XSS bug can exfiltrate everything users type — credentials, payment data, session tokens.
1 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.
2 button(s) with no accessible text
Buttons with no accessible text (icon-only, no aria-label) can't be activated by voice control or understood by screen readers.
8 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
€468 investment → €3,037/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 ~28%.
- Page takes 23.6s to loadUsers abandon at ~3s — you're 21.1s 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
- 9 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 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 detectedRGPD: EUR 10.000 – EUR 20.000.000
- 8 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
€3.036 /mo
+28.3pp bounce · ~2,827 lost visitors/mo
CPC: EUR 1.07
Bandwidth Waste
€0,75 /mo
10150.1 MB/mo × 0.074 EUR/GB
- Optimize transfer: save ~1.0 MB per page loadSaves €0,75/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.
9.51 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
23.64 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
1.69 s
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.000
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
9.97 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.
23.78 s
Desktop
First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.
1.16 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
2.05 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
131 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.000
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
2.53 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.
4.74 s
Categories
8Performance
All checks pass
Security
Content-Security-Policy header is missing
Accessibility
1 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 Cart Functionality sites score 86+ on Compliance; you're at 72 — closing this gap is the highest-leverage improvement.
Technology stack
Babel, on OpenResty/Firebase, with Nginx CDN
Stack Architecture
Amazon Advertising 
AppNexus 
Criteo 
DoubleClick Floodlight 
Facebook Pixel 2.9.303
Google Analytics 
Google Publisher Tag 
Google Tag Manager 
Marfeel 
Outbrain 90acd988123_2026-04-20
Prebid 10.0.0
Smart Ad Server 
comScore 
Cart Functionality 
Babel 
Bootstrap 
Didomi Facebook Facebook SDK 
Font Awesome 
Funding Choices 
Google Font API Google Search Console HSTS Microsoft 365 
Open Graph 
Permutive 
Priority Hints 
RSS 
core-js 2.6.9
jQuery 3.3.1
Firebase 8.6.7
OpenResty 
Nginx cdnjs 
jsDelivr jsDelivr CDN All Detected Technologies (37)
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.
OpenResty is a web platform based on nginx which can run Lua scripts using its LuaJIT engine.
Firebase is a Google-backed application development software that enables developers to develop iOS, Android and Web apps.
Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
Babel is a free and open-source transcompiler for writing next generation JavaScript.
Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.
Didomi is a consent management platform helping brands and businesses collect, store and leverage their customer consents.
Font Awesome is a font and icon toolkit based on CSS and Less.
Funding Choices is a messaging tool that can help you comply with the EU General Data Protection Regulation (GDPR), and recover lost revenue from ad blocking users.
Google Font API is a web service that supports open-source font files that can be used on your web designs.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Permutive is a publisher-focused data management platform.
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.
RSS is a family of web feed formats used to publish frequently updated works—such as blog entries, news headlines, audio, and video—in a standardized format.
core-js is a modular standard library for JavaScript, with polyfills for cutting-edge ECMAScript features.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
Amazon Advertising (formerly AMS or Amazon Marketing Services) is a service that works in a similar way to pay-per-click ads on Google.
AppNexus is a cloud-based software platform that enables and optimizes programmatic online advertising.
Criteo provides personalised retargeting that works with Internet retailers to serve personalised online display advertisements to consumers who have previously visited the advertiser's website.
Facebook pixel is an analytics tool that allows you to measure the effectiveness of your advertising.
Google Analytics is a free web analytics service that tracks and reports website traffic.
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.
Outbrain is a web advertising platform that displays boxes of links, known as chumboxes, to pages within 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.
Smart Ad Server is an adserving and RTB platform.
comScore is an American media measurement and analytics company providing marketing data and analytics to enterprises; media and advertising agencies; and publishers.
Observations (3)
Runtime exposed via X-Powered-By header
The X-Powered-By header reveals 'Firebase 8.6.7'. Remove this header in production to reduce information leakage.
No build tool detected
A framework (Babel) 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
37 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 · 8h total → projected C (79)
Sprint 1: Quick Wins
+3Highest ROI — low effort, high impact
- · 1 link(s) with no accessible text
- · 2 button(s) with no accessible text
Sprint 2: Core Fixes
+6Medium effort, high structural impact
- · 8 image(s) missing alt attribute
- · Content-Security-Policy header is missing
- · No Content-Security-Policy header found