Audit overview
3 categories need attention: Security, and 2 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.
Cookie 'csrftoken' 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.
2 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
€720 investment → €8,963/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
11 barrier(s) likely increasing bounce by ~31%.
- 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
- 345 form field(s) without a labelScreen readers skip unlabeled fields; autofill can't identify them; checkout abandonment spikes→ Associate every input with a visible <label for="…">; add autocomplete attributes
- Page loads in 3.9sEvery additional 100ms above 2.5s costs conversions — you're 1.4s over→ Target <2.5s LCP: defer non-critical scripts and optimize the hero image
- High main-thread blocking timePage is non-interactive for 333ms after first paint→ Defer third-party scripts and split large bundles
- No HSTS headerReturning visitors are briefly exposed to downgrade attacks on first request→ Set Strict-Transport-Security: max-age=31536000; includeSubDomains
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 detectedDSGVO: EUR 10.000 – EUR 20.000.000
- Trackers detected but no cookie policy foundDSGVO: EUR 5.000 – EUR 10.000.000
- Trackers detected but no cookie policy foundDSGVO: EUR 10.000 – EUR 20.000.000
Bounce-Rate Cost
€6.769 /mo
+30.8pp bounce · ~3,077 lost visitors/mo
CPC: EUR 2.20
Bandwidth Waste
€0,14 /mo
1927.3 MB/mo × 0.074 EUR/GB
- Optimize transfer: save ~193 KB per page loadSaves €0,14/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.
1.36 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
3.92 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
333 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.838
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
1.71 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.
4.63 s
Desktop
First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.
463 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
928 ms
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
27 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.364
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
583 ms
Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.
931 ms
Categories
8Performance
All checks pass
Security
Content-Security-Policy header is missing
Accessibility
2 image(s) missing alt attribute
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 Bootstrap sites score 75+ on Security; you're at 59 — closing this gap is the highest-leverage improvement.
Top 10% of core-js sites score 75+ on Security; you're at 59 — closing this gap is the highest-leverage improvement.
Technology stack
Bootstrap, on Python, with Nginx CDN
Stack Architecture
Plausible 
Bootstrap 
Django Google Search Console 
Leaflet 
Mapbox GL JS 2.6.1 Mapbox.js 
Tailwind CSS 
core-js 3.6.1
Python 
Nginx 1.27.5All Detected Technologies (11)
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Python is an interpreted and general-purpose programming language.
Django is a Python-based free and open-source web application framework.
Leaflet is the open-source JavaScript library for mobile-friendly interactive maps.
Mapbox GL JS is a JavaScript library that uses WebGL to render interactive maps from vector tiles and Mapbox styles.
Mapbox.js is a JavaScript library provided by Mapbox for working with interactive maps and geospatial data.
core-js is a modular standard library for JavaScript, with polyfills for cutting-edge ECMAScript features.
Plausible is an open-source alternative to Google Analytics.
Observations (2)
No build tool detected
A framework (Bootstrap) 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
11 technologies identified. A complex stack increases maintenance burden and attack surface. Consider whether all components are actively needed.
Show your score
Drop this badge on your README, marketing site, or status page. It auto-updates every time the audit re-runs and links back to this report.
This badge auto-updates with your latest scan result.
[](https://beavercheck.com/results/86a8ed43-763e-418b-9d18-b90608cca0ab)<a href="https://beavercheck.com/results/86a8ed43-763e-418b-9d18-b90608cca0ab"><img src="https://beavercheck.com/badge?url=https%3A%2F%2Ffreesound.org" alt="BeaverCheck Score"></a>https://beavercheck.com/badge?url=https%3A%2F%2Ffreesound.orgExport & share
Download the audit, share with your team, or grab a fix plan ready to copy into your tracker.
Copies markdown to clipboard
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 B (82)
Sprint 1: Quick Wins
+5Highest ROI — low effort, high impact
- · Cookie 'csrftoken' is missing the Secure flag
- · HSTS header is missing
Sprint 2: Core Fixes
+4Medium effort, high structural impact
- · 2 image(s) missing alt attribute
- · Content-Security-Policy header is missing
- · No Content-Security-Policy header found