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Scanned
2026-04-22 22:54 UTC
Worker
🇪🇸 Madrid
Duration
2.3m
Vs prev

Audit overview

4 categories need attention: Performance, and 3 others.

Fix Priority Matrix

5 findings

Quick Wins

1

High impact, low effort — start here.

Strategic

4

High impact, requires investment.

Easy Improvements

0

Small gains, minimal effort.

Nothing in this quadrant — good news.

Deprioritize

0

Low impact, high effort — do last.

Nothing in this quadrant — good news.

← Low effort High effort →

Screenshots

DESKTOP + MOBILE
Desktop
Desktop screenshot
Mobile
Mobile screenshot

Top Priorities (5)

Sorted by impact
Critical: 1

/.svn/entries is publicly accessible

Sensitive resource publicly accessible — restrict access or remove.

Security › Information Leakage
Critical: 2

Content-Security-Policy header is missing

Without a CSP, a single XSS bug can exfiltrate everything your users type — including credentials.

Security › Security Headers
Critical: 3

No Content-Security-Policy header found

Without a CSP, a single XSS bug can exfiltrate everything users type — credentials, payment data, session tokens.

Security › Content Security Policy
Critical: 4

Page weighs 21.4 MB (11.7 MB transferred)

Informational: total page weight (uncompressed) and bytes actually transferred over the wire.

Performance › Page Weight Budget
Critical: 5

1 control(s) without accessible label

Form controls without labels — assistive tech announces 'edit text' with no context; users can't complete forms.

Accessibility › Form Accessibility
What fixing these means. Your site performs reasonably well, but a few targeted fixes could meaningfully improve results. Your LCP of 15.5s exceeds Google's 2.5s 'Good' threshold and the 1 performance issue below directly contributes to it. Accessibility issues exclude users who rely on assistive technology — an estimated 15% of your potential audience. Addressing the critical issues below would have the most immediate impact on your user trust.
3 security gaps detected — browsers may warn visitors about your site.
Your LCP is 15.5s — fixing the 1 performance critical could bring it under Google's 2.5s 'Good' threshold.
1 accessibility issue excludes users who rely on assistive technology.

Business case

What fixing the audit's findings is worth -- and what ignoring them keeps costing.

Return on investment

¥2,800 investment → ¥31,627/month returns + CNY 50,000,000 risk avoided

Investment
¥2,800
8.0 h · 4 findings
Monthly returns
¥31,627
¥379,524/yr
Payback
0.1 mo
+13454% Y1
Regulatory risk avoided CNY 50,000,000
Or — fix only the top 3 findings
¥2,4500.1 mo payback · +15391% Y1
Optimistic scenario assuming the top 3 capture most of the upside. Real-world recovery typically falls between this projection and the full-fix ROI above.

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 ~32%.

Barriers
9
3 crit 6 warn
Bounce delta
+32pp
added vs baseline
Score
52
D
Speed
2
Trust
2
Usability
1
Content
1
Nav
3
  • Page takes 15.5s to load
    Users abandon at ~3s — you're 13.0s over the 2.5s threshold
    → Optimize render-blocking resources, preload the hero image, and compress images
  • Page feels frozen for 2.9s
    Clicks on the primary CTA are ignored while JavaScript runs
    → Break up long tasks; defer non-critical JavaScript to post-hydration
  • 3 broken link(s) on the page
    Clicks land on 404s — trust drops and the session often ends
    → Fix or remove the broken destinations surfaced on the Content tab
  • No HSTS header
    Returning visitors are briefly exposed to downgrade attacks on first request
    → Set Strict-Transport-Security: max-age=31536000; includeSubDomains
  • No Content-Security-Policy header
    Higher 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

¥2,800 8.0 developer hours at ¥350/hr

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.

¥ /hr

Rates reflect fully-loaded developer cost including overhead

How developer rates are sourced

Warning:Cost of inaction

¥31,627 / month at risk ~¥379,524 / year if left unfixed
Default is 10,000. Use your own number for accurate $-figures.

Compliance Risk

¥50,000,000

PIPL
  • No privacy policy link detected
    PIPL: CNY 100,000 – CNY 50,000,000
  • Trackers detected but no cookie policy found
    PIPL: CNY 100,000 – CNY 50,000,000
  • Trackers detected but no privacy policy found
    PIPL: CNY 100,000 – CNY 50,000,000

Bounce-Rate Cost

¥31,606 /mo

+31.6pp bounce · ~3,161 lost visitors/mo

CPC: CNY 10.00

Bandwidth Waste

¥21 /mo

36726.3 MB/mo × 0.571 CNY/GB

  • Optimize transfer: save ~3.7 MB per page load
    Saves ¥21/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.

Compliance methodology · SEO assumptions · Bandwidth model

Your performance is already good — improvements may show diminishing returns

Unique monthly visitors from your analytics

Purchases, signups, or key actions

Optional — for revenue estimation

additional conversions/month

more engaged visitors from reduced bounce

potential monthly revenue
Current bounce (est.)
After fixes (est.)
Estimated bounce reduction

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

Bounce-rate model & assumptions

Your data stays in your browser — nothing is sent to our servers

Lighthouse

Mobile

26
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
79
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
69
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
77
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

6.05 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

15.50 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

2.92 s

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.059

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

10.98 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.

37.06 s

Desktop

24
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
75
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
73
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
77
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

2.15 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

4.07 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

335 ms

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.861

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

4.53 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.

8.49 s

Categories

8
Avg score 71.5

How you compare

Where this site stands against peers running the same stack.

core-js · 1582 peers
You 70
·
Avg 72
At average
0 50 100
Performance P1Sustainability P1Accessibility P16Compliance P83Infrastructure P21Content P34Security P37SEO P49

Top 10% of core-js sites score 81+ on Performance; you're at 66 — closing this gap is the highest-leverage improvement.

Better than 13% of core-js sites See full core-js benchmark →
Google Search Console · 3817 peers
You 70
·
Avg 73
At average
0 50 100
Performance P1Sustainability P1Accessibility P12Compliance P85Infrastructure P18Security P30SEO P59Content P47

Top 10% of Google Search Console sites score 89+ on Performance; you're at 66 — closing this gap is the highest-leverage improvement.

Better than 13% of Google Search Console sites See full Google Search Console benchmark →

Technology stack

Google Search Console, on styled-components, hosted on Tengine, with Alibaba ...

16 technologies detected 4 stack layers 3 with CPE identifier Enterprise

Stack Architecture

Framework
Google Search Console HSTS Lodash 1.13.1 LottieFiles Microsoft Open Graph React 16.8.1 RequireJS 2.1.22 Swiper Tanx TrustArc core-js 2.6.12 jQuery 2.2.0
Runtime
styled-components 6.1.19
CDN
Alibaba Cloud CDN
Hosting
Tengine

All Detected Technologies (16)

Alibaba Cloud CDN is a global network of servers designed to deliver high-performance, low-latency content to users around the world. It is a cloud-based service provided by Alibaba Cloud, a subsidiary of the Alibaba Group, that enables businesses to accelerate the delivery of their web content, including images, videos, and static files, to end-users.

Categories CDN Website https://www.alibabacloud.com/product/content-delivery-network Detected by BeaverCheck

Tengine is a web server which is based on the Nginx HTTP server.

Categories Web servers Website https://tengine.taobao.org Detected by BeaverCheck

Styled components is a CSS-in-JS styling framework that uses tagged template literals in JavaScript.

Categories JavaScript frameworks, Development Website https://styled-components.com Detected by BeaverCheck
Categories Analytics Detected by BeaverCheck · Medium Evidence TXT record: google-site-verification=Y_8s0fLGhmfASBOET1hWSuWE95rrUnkojh9Gu2rxxz4

HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.

Categories Security Website https://www.rfc-editor.org/rfc/rfc6797#section-6.1 Detected by BeaverCheck

Lodash is a JavaScript library which provides utility functions for common programming tasks using the functional programming paradigm.

Categories JavaScript libraries Website https://www.lodash.com Detected by BeaverCheck
This technology has a CPE identifier — check for known vulnerabilities Search NVD →

LottieFiles is an open-source animation file format that's tiny, high quality, interactive, and can be manipulated at runtime.

Categories Miscellaneous Website https://lottiefiles.com Detected by BeaverCheck
Categories Analytics Detected by BeaverCheck · Low Evidence TXT record: MS=ms31641552

Open Graph is a protocol that is used to integrate any web page into the social graph.

Categories Miscellaneous Website https://ogp.me Detected by BeaverCheck

React is an open-source JavaScript library for building user interfaces or UI components.

Categories JavaScript frameworks Website https://reactjs.org Detected by BeaverCheck Evidence Script URL: //g.alicdn.com/??aliyun/dblx/0.2.9/requirejs-conflict-release.js,aliyun/dblx/0.2.9/polyfill-es6.js,code/lib/react/16.8.1/umd/react.production.min.js,code/lib/react-dom/16.8.1/umd/react-dom.production.min.js,aliyun/dblx/0.2.9/requirejs-conflict-recover.js, Script URL: //g.alicdn.com/??aliyun/dblx/0.2.9/requirejs-conflict-release.js,aliyun/dblx/0.2.9/polyfill-es6.js,code/lib/react/16.8.1/umd/react.production.min.js,code/lib/react-dom/16.8.1/umd/react-dom.production.min.js,aliyun/dblx/0.2.9/requirejs-conflict-recover.js
This technology has a CPE identifier — check for known vulnerabilities Search NVD →

RequireJS is a JavaScript library and file loader which manages the dependencies between JavaScript files and in modular programming.

Categories JavaScript frameworks Website https://requirejs.org Detected by BeaverCheck

Swiper is a JavaScript library that creates modern touch sliders with hardware-accelerated transitions.

Categories JavaScript libraries Website https://swiperjs.com Detected by BeaverCheck

Tanx is a platform for media resource management and business-cooperation workflows.

Categories Digital asset management Website https://tanx.com Detected by BeaverCheck

TrustArc provides software and services to help corporations update their privacy management processes so they comply with government laws and best practices.

Categories Cookie compliance Website https://trustarc.com Detected by BeaverCheck

core-js is a modular standard library for JavaScript, with polyfills for cutting-edge ECMAScript features.

Categories JavaScript libraries Website https://github.com/zloirock/core-js Detected by BeaverCheck

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.

Categories JavaScript libraries Website https://jquery.com Detected by BeaverCheck Evidence Script URL: https://g.alicdn.com/alicloud-components/??kloud/0.1.29/vendor/requirejs/require.js,kloud/0.1.29/vendor/jquery/jquery.min.js,alicloud-ui3/0.0.14/acUI.js,acApp/0.3.7/app.js
This technology has a CPE identifier — check for known vulnerabilities Search NVD →

Observations (6)

Runtime exposed via X-Powered-By header

The X-Powered-By header reveals 'styled-components 6.1.19'. Remove this header in production to reduce information leakage.

→ Security

jQuery loaded alongside a modern framework

Both jQuery and React are loaded. Modern frameworks handle DOM manipulation natively. jQuery may be unnecessary and adds ~30KB to the page weight. Check the Performance tab for bundle analysis.

→ Performance

No build tool detected

A framework (Google Search Console) 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.

React version may be outdated

Detected React 16.8.1. The current major version is 18. Consider updating for security patches and new features.

→ Security

jQuery version may be outdated

Detected jQuery 2.2.0. The current major version is 3. Consider updating for security patches and new features.

→ Security

Complex technology stack detected

16 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 B (80)

Sprint 1: Quick Wins

+2

Highest ROI — low effort, high impact

1 findings 0h → C (72)
  • · Page weighs 21.4 MB (11.7 MB transferred)

Sprint 2: Core Fixes

+7

Medium effort, high structural impact

4 findings 8h → C (79)
  • · /.svn/entries is publicly accessible
  • · 1 control(s) without accessible label
  • · Content-Security-Policy header is missing
  • · No Content-Security-Policy header found

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