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.
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.
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.
3 image-only link(s) without alt text
Image-only links with no alt are unidentifiable to screen-reader users — link's destination is invisible.
Business case
What fixing the audit's findings is worth -- and what ignoring them keeps costing.
Return on investment
CHF 943 investment → CHF 17,258/month returns + CHF 250,000 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
9 barrier(s) likely increasing bounce by ~33%.
- Page takes 7.3s to loadUsers abandon at ~3s — you're 4.8s over the 2.5s threshold→ Optimize render-blocking resources, preload the hero image, and compress images
- Page feels frozen for 5.3sClicks on the primary CTA are ignored while JavaScript runs→ Break up long tasks; defer non-critical JavaScript to post-hydration
- 5 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
CHF 250’000
- No privacy policy link detectednDSG/FADP: CHF 1’000 – CHF 250’000
- 3 advertising/retargeting trackers detectednDSG/FADP: CHF 1’000 – CHF 250’000
- Trackers detected but no cookie policy foundnDSG/FADP: CHF 1’000 – CHF 250’000
Bounce-Rate Cost
CHF 10’674 /mo
+33.4pp bounce · ~3,336 lost visitors/mo
CPC: CHF 3.20
Bandwidth Waste
CHF 0.73 /mo
10251.5 MB/mo × 0.071 CHF/GB
- Optimize transfer: save ~1.0 MB per page loadSaves CHF 0.73/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.
5.17 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
7.35 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
5.27 s
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.197
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
9.46 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.
31.20 s
Desktop
First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.
2.67 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
4.12 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
579 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.005
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
3.64 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.
8.88 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 core-js sites score 95+ on Content; you're at 62 — closing this gap is the highest-leverage improvement.
Top 10% of Facebook SDK sites score 96+ on Content; you're at 62 — closing this gap is the highest-leverage improvement.
Technology stack
Facebook SDK, on C, hosted on Angie, with Optimise CDN
Stack Architecture
Facebook Pixel 2.9.298
Google Analytics 
Google Tag Manager 
Kameleoon 
Linkedin Insight Tag 
Microsoft Advertising 
Microsoft Clarity 
Skai 
Taboola 
Priority Hints 
React 
Webpack 
core-js 3.32.2
C 
Perl 
styled-components 5.3.11
Optimise 
Angie 
Next.js 14.0.2All Detected Technologies (22)
Optimise Media Group is a UK-based performance advertising network.
Angie is a drop-in replacement for the Nginx web server aiming to extend the functionality of the original version.
Next.js is a React framework for developing single page Javascript applications.
C is a general-purpose, procedural computer programming language supporting structured programming, lexical variable scope, and recursion, with a static type system.
Perl is a family of two high-level, general-purpose, interpreted, dynamic programming languages.
Styled components is a CSS-in-JS styling framework that uses tagged template literals in JavaScript.
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.
React is an open-source JavaScript library for building user interfaces or UI components.
Webpack is an open-source JavaScript module bundler.
core-js is a modular standard library for JavaScript, with polyfills for cutting-edge ECMAScript features.
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 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.
Kameleoon is a personalisation technology platform for real-time omnichannel optimisation and conversion.
LinkedIn Insight Tag is a lightweight JavaScript tag that powers conversion tracking, website audiences, and website demographics.
Microsoft Advertising is an online advertising platform developed by Microsoft.
Microsoft's Clarity is a analytics tool which provides website usage statistics, session recording, and heatmaps.
Skai (formerly Kenshoo) is a marketing activation solution for brands and agencies.
Taboola is a content discovery & native advertising platform for publishers and advertisers.
Observations (3)
Runtime exposed via X-Powered-By header
The X-Powered-By header reveals 'styled-components 5.3.11'. Remove this header in production to reduce information leakage.
No build tool detected
A framework (Facebook SDK) 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 · 7h total → projected B (81)
Sprint 1: Quick Wins
+5Highest ROI — low effort, high impact
- · HSTS header is missing
- · 1 link(s) with no accessible text
- · 3 image-only link(s) without alt text
Sprint 2: Core Fixes
+4Medium effort, high structural impact
- · Content-Security-Policy header is missing
- · No Content-Security-Policy header found