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https://theguardian.com Export & share
Scanned
2026-04-15 23:00 UTC
Worker
🇪🇸 Madrid
Duration
58.00s
Vs prev

Audit overview

Security and Content need attention; the other categories are in good shape.

Fix Priority Matrix

5 findings

Quick Wins

2

High impact, low effort — start here.

Strategic

3

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

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: 2

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: 3

No H1 heading found

No H1 means screen-reader users can't identify the page's primary topic, and Google's content-extraction degrades.

Accessibility › Heading Hierarchy
Warning: 4

112 third-party resources (100% of weight)

Informational: third-party resource count and their share of page weight. High share caps perf gains from frontend optimization.

Performance › Page Weight Inventory
Warning: 5

113 HTTP requests — consider bundling or reducing

High HTTP request count — bundling, sprite-ing, and HTTP/2 server push can reduce per-request overhead.

Performance › Page Weight Budget
What fixing these means. Your site performs reasonably well, but a few targeted fixes could meaningfully improve results. Your LCP of 4.4s exceeds Google's 2.5s 'Good' threshold and the 2 performance issues below directly contribute to it. Addressing the critical issues below would have the most immediate impact on your user trust.
2 security gaps detected — browsers may warn visitors about your site.
1 accessibility issue excludes users who rely on assistive technology.
Your LCP is 4.4s — fixing the 2 performance criticals could bring it under Google's 2.5s 'Good' threshold.

Business case

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

Return on investment

€864 investment → €5,594/month returns + EUR 120,500,000 risk avoided

Investment
€864
10.2 h · 4 findings
Monthly returns
€5.594
€67.130/yr
Payback
0.2 mo
+7668% Y1
Regulatory risk avoided EUR 120.500.000
Or — fix only the top 3 findings
€5240.1 mo payback · +12707% 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.
€14 — in quick wins — start here for the fastest payback

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

7 barrier(s) likely increasing bounce by ~28%.

Barriers
7
2 crit 5 warn
Bounce delta
+28pp
added vs baseline
Score
65
C
Speed
2
Trust
2
Usability
0
Content
2
Nav
1
  • Page takes 4.4s to load
    Users abandon at ~3s — you're 1.9s over the 2.5s threshold
    → Optimize render-blocking resources, preload the hero image, and compress images
  • 7 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
  • High main-thread blocking time
    Page is non-interactive for 216ms after first paint
    → Defer third-party scripts and split large bundles
  • 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

€864 10.2 developer hours at €85/hr
Quick wins
€14 1 fixes in ~10 minutes

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.

/hr

Rates reflect fully-loaded developer cost including overhead

How developer rates are sourced

Warning:Cost of inaction

€3.037 / month at risk ~€36.440 / year if left unfixed
Default is 10,000. Use your own number for accurate $-figures.

Compliance Risk

€120.500.000

ePrivacy DirectiveGDPREAA
  • No privacy policy link detected
    GDPR: EUR 10.000 – EUR 20.000.000
  • Trackers detected but no cookie policy found
    GDPR: EUR 5.000 – EUR 10.000.000
  • Trackers detected but no cookie policy found
    GDPR: EUR 10.000 – EUR 20.000.000

Bounce-Rate Cost

€3.036 /mo

+28.3pp bounce · ~2,827 lost visitors/mo

CPC: EUR 1.07

Bandwidth Waste

€0,27 /mo

3710.9 MB/mo × 0.074 EUR/GB

  • Optimize transfer: save ~371 KB per page load
    Saves €0,27/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 3 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

74
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
90
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
100
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.

3.47 s

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

4.37 s

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

216 ms

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

0.017

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

3.47 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.

8.86 s

Desktop

98
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
94
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
100
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.

898 ms

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

974 ms

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

5 ms

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

0.001

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

898 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.

1.79 s

Categories

8
Avg score 80.1

How you compare

Where this site stands against peers running the same stack.

Cart Functionality · 554 peers
You 79
·
Avg 73
+6 above average
0 50 100
Content P4Accessibility P95Sustainability P91Performance P89SEO P12Infrastructure P86Compliance P68Security P66

Top 10% of Cart Functionality sites score 95+ on Content; you're at 61 — closing this gap is the highest-leverage improvement.

Better than 88% of Cart Functionality sites See full Cart Functionality benchmark →
Apple · 1267 peers
You 79
·
Avg 73
+6 above average
0 50 100
Content P2Accessibility P98Sustainability P91Performance P87Infrastructure P83Compliance P71SEO P33Security P61

Top 10% of Apple sites score 95+ on Content; you're at 61 — closing this gap is the highest-leverage improvement.

Better than 92% of Apple sites See full Apple benchmark →

Technology stack

Apple, on Emotion, with Fastly CDN

15 technologies detected 5 stack layers 1 with CPE identifier Enterprise

Stack Architecture

Analytics
Adjust
Ecommerce
Cart Functionality
Framework
Apple Facebook Google Search Console Google Workspace HSTS Microsoft NS1 Polyfill 3 RSS Varnish core-js 3.10.2
Runtime
Emotion
CDN
Fastly

All Detected Technologies (15)

Categories CDN Website https://www.fastly.com Detected by BeaverCheck Evidence x-served-by: cache-toj-leto2350038-TOJ

Emotion is a library designed for writing CSS styles with JavaScript.

Categories JavaScript frameworks, Development Website https://emotion.sh Detected by BeaverCheck

Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.

Categories Ecommerce Website https://www.wappalyzer.com/technologies/ecommerce/cart-functionality Detected by BeaverCheck
Categories Analytics Detected by BeaverCheck · Low Evidence TXT record: apple-domain-verification=4qbvNZKyKKZyBtdU
Categories Analytics Detected by BeaverCheck · Medium Evidence TXT record: facebook-domain-verification=9qqmd2kl745hph02i64iyoxvdphmi9
Categories Analytics Detected by BeaverCheck · Medium Evidence TXT record: google-site-verification=I3xSjID5V7E9UDa3WSvvvpCqiqw1_34kG1Y_rz5dlV4
Categories Email Detected by BeaverCheck Evidence MX record: aspmx.l.google.com

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
Categories Analytics Detected by BeaverCheck · Low Evidence TXT record: MS=ms94953828
Categories DNS Detected by BeaverCheck Evidence NS record: dns4.p04.nsone.net

Polyfill is a service which accepts a request for a set of browser features and returns only the polyfills that are needed by the requesting browser.

Categories JavaScript libraries Website https://polyfill.io Detected by BeaverCheck

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.

Categories Miscellaneous Website https://www.rssboard.org/rss-specification Detected by BeaverCheck

Varnish is a reverse caching proxy.

Categories Caching Website https://www.varnish-cache.org Detected by BeaverCheck
This technology has a CPE identifier — check for known vulnerabilities Search NVD →

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

Adjust is the mobile marketing analytics platform.

Categories Analytics Website https://www.adjust.com Detected by BeaverCheck

Observations (2)

No build tool detected

A framework (Apple) 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

15 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 · 10h total → projected B (88)

Sprint 1: Quick Wins

+3

Highest ROI — low effort, high impact

2 findings 0h → B (82)
  • · No H1 heading found
  • · 112 third-party resources (100% of weight)

Sprint 2: Core Fixes

+6

Medium effort, high structural impact

3 findings 10h → B (88)
  • · Content-Security-Policy header is missing
  • · No Content-Security-Policy header found
  • · 113 HTTP requests — consider bundling or reducing

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