# BeaverCheck Audit Report — https://warwick.ac.uk
**Date:** April 21, 2026
**URL:** https://warwick.ac.uk
**Overall Grade:** B (83/100)
**Report:** https://beavercheck.com/results/a26da8b6-114a-49d1-83ea-8f5f6ade123a
## Top Findings
1. **[CRITICAL]** Page weighs 13.5 MB (12.4 MB transferred) — Performance > Page Weight Budget
2. **[WARNING]** is missing width/height — may cause layout shift — Performance > Image Optimization
3. **[WARNING]** Cross-Origin-Embedder-Policy header is missing — Security > Security Headers
4. **[WARNING]** Cross-Origin-Opener-Policy header is missing — Security > Security Headers
5. **[WARNING]** External link from d36jn9qou1tztq.cloudfront.net lacks integrity attribute — Security > Subresource Integrity
---
## Lighthouse Scores
| Category | Score |
|----------|-------|
| Performance | 45 |
| Accessibility | 100 |
| Best Practices | 100 |
| SEO | 100 |
---
## Security
### Security Headers (B — 70/100)
*6 of 10 headers properly configured*
- **[WARNING]** HSTS is missing includeSubDomains — Without includeSubDomains, subdomains can still be accessed over HTTP.
- **[PASS]** X-Content-Type-Options is properly configured
- **[WARNING]** X-Frame-Options header is missing — This header prevents clickjacking by controlling who can embed your page in a frame. Set it to DENY or SAMEORIGIN.
- **[PASS]** Referrer-Policy is properly configured
- **[PASS]** Permissions-Policy is set
- **[PASS]** Content-Security-Policy is present
- **[WARNING]** Cross-Origin-Opener-Policy header is missing — COOP isolates your browsing context, preventing cross-origin side-channel attacks. Set to 'same-origin'.
- **[WARNING]** Cross-Origin-Embedder-Policy header is missing — COEP prevents loading cross-origin resources without explicit permission. Required for SharedArrayBuffer and high-resolution timers.
- **[PASS]** X-Powered-By header is not present
- **[PASS]** Server header is present without version info
### Content Security Policy (C — 65/100)
*2 of 10 CSP checks passed*
- **[INFO]** Raw CSP policy
- **[WARNING]** default-src directive is missing — default-src provides a fallback for other directives. Set it to restrict default resource loading.
- **[INFO]** No script-src or default-src to check for 'unsafe-inline'
- **[INFO]** No script-src or default-src to check for 'unsafe-eval'
- **[INFO]** No script-src or default-src to check for wildcard
- **[PASS]** object-src falls back to default-src
- **[WARNING]** base-uri directive is missing — Without base-uri, attackers can inject a tag to hijack relative URLs. Set it to 'self' or 'none'.
- **[WARNING]** frame-ancestors directive is missing — frame-ancestors controls who can embed your page, preventing clickjacking. Set it to 'self' or 'none'.
- **[WARNING]** form-action directive is missing — form-action restricts where forms can submit data, preventing form hijacking.
- **[PASS]** upgrade-insecure-requests is enabled
### TLS & Certificates (A+ — 100/100)
*TLS 1.3, 7 checks passed*
- **[PASS]** TLS 1.3 is used
- **[PASS]** Strong cipher suite is used
- **[INFO]** HTTP/2 is not negotiated — HTTP/2 provides multiplexing and header compression for better performance.
- **[PASS]** Certificate is valid (expires in 46 days)
- **[PASS]** Certificate chain has 2 certificates
- **[PASS]** Certificate uses modern signature algorithm
- **[PASS]** Certificate covers 1 domain(s)
- **[PASS]** Certificate is issued by a trusted CA
### Cookie Security (A+ — 100/100)
*No cookies set — no cookie security risks*
- **[PASS]** No cookies set — no cookie security risks
---
## Advanced Security
### Subresource Integrity (F — 20/100)
*0 of 10 external resources have SRI*
- **[WARNING]** External script from www.googletagmanager.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External link from use.typekit.net lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External link from d36jn9qou1tztq.cloudfront.net lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External link from d36jn9qou1tztq.cloudfront.net lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External link from d36jn9qou1tztq.cloudfront.net lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from d36jn9qou1tztq.cloudfront.net lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from d36jn9qou1tztq.cloudfront.net lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from d36jn9qou1tztq.cloudfront.net lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from d36jn9qou1tztq.cloudfront.net lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from d36jn9qou1tztq.cloudfront.net lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
### JS Library Vulnerabilities (A+ — 100/100)
*No known vulnerabilities*
- **[PASS]** No known JavaScript library vulnerabilities detected
### Information Leakage (A+ — 100/100)
*No exposures*
- **[PASS]** security.txt is present — good practice
- **[PASS]** No sensitive files exposed
### Email Security (A — 85/100)
*DMARC: quarantine*
- **[PASS]** DMARC policy is quarantine — good protection
### Permissions-Policy (C — 65/100)
*1 directives, 5 missing*
- **[PASS]** interest-cohort=() — blocked for all origins
- **[INFO]** camera not restricted — Consider adding camera=() to block camera access from embedded content.
- **[INFO]** microphone not restricted — Consider adding microphone=() to block microphone access from embedded content.
- **[INFO]** geolocation not restricted — Consider adding geolocation=() to block geolocation access from embedded content.
- **[INFO]** payment not restricted — Consider adding payment=() to block payment access from embedded content.
- **[INFO]** usb not restricted — Consider adding usb=() to block usb access from embedded content.
### CORS Configuration (A — 90/100)
*Origin: https://warwick.ac.uk*
- **[PASS]** CORS restricted to specific origin(s)
- **[INFO]** Origin reflection not testable with a single request — Some servers reflect the request Origin header. This requires manual testing with a crafted Origin header.
---
## Performance
### Page Weight Budget (F — 0/100)
*12.4 MB transferred, 69 requests*
- **[CRITICAL]** Page weighs 13.5 MB (12.4 MB transferred)
- **[INFO]** Fonts are 817 KB — consider subsetting or using system fonts — Subset fonts to include only used characters, or switch to system font stacks.
- **[INFO]** 69 HTTP requests
- **[INFO]** Estimated 2.6 g CO2 per page load
### Third-Party Impact (A+ — 100/100)
*10% third-party, 0 ms blocking*
- **[INFO]** Third-party code accounts for 10% of page weight (1.2 MiB of 12.4 MiB)
- **[PASS]** Third-party blocking time is low (0 ms)
### Text Compression (A+ — 100/100)
*All text resources are compressed*
- **[PASS]** All text resources are compressed
### Image Optimization (C — 60/100)
*23 images, 0 KB saveable*
- **[WARNING]** https://warwick.ac.uk/instagram.png is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS.
- **[WARNING]** https://warwick.ac.uk/facebook.png is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS.
- **[WARNING]** https://warwick.ac.uk/destination_warwick.webp?max... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS.
- **[WARNING]** https://warwick.ac.uk/open_days.webp?maxWidth=800 is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS.
- **[WARNING]** is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS.
- **[WARNING]** https://warwick.ac.uk/tiktok.png is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS.
- **[WARNING]** https://warwick.ac.uk/youtube.png is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS.
- **[WARNING]** https://warwick.ac.uk/clearing-2025.webp?maxWidth=... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS.
- **[WARNING]** https://warwick.ac.uk/linkedin.png is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS.
- **[WARNING]** https://warwick.ac.uk/visit_campus.webp?maxWidth=8... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS.
### JS Execution Cost (D — 40/100)
*2254ms total JS execution*
- **[WARNING]** Unattributable: 857ms CPU time
- **[WARNING]** https://d36jn9qou1tztq.cloudfront.net/static_war/s...: 486ms CPU time
- **[WARNING]** https://www.googletagmanager.com/gtm.js?id=GTM-55N...: 366ms CPU time
- **[WARNING]** https://d36jn9qou1tztq.cloudfront.net/static_war/r...: 311ms CPU time
- **[INFO]** https://warwick.ac.uk/: 234ms CPU time
- **[WARNING]** Third-party scripts: 2020ms (90% of total)
### Font Loading (A+ — 100/100)
*10 fonts (817 KB)*
- **[INFO]** 10 font(s) use font-display: swap (FOUT risk but functional)
### JS Bundles (C — 60/100)
*13 scripts, 132 KB unused*
- **[WARNING]** https://www.googletagmanager.com/gtm.js?id=GTM-55N...: 76 KB unused (41%) — Consider code splitting or tree shaking to reduce unused code.
- **[WARNING]** https://d36jn9qou1tztq.cloudfront.net/static_war/r...: 56 KB unused (61%) — Consider code splitting or tree shaking to reduce unused code.
- **[WARNING]** https://warwick.ac.uk/study/course-cleaner.js: unminified — 4 KB could be saved
- **[WARNING]** https://warwick.ac.uk/hp-2025.js: unminified — 2 KB could be saved
- **[INFO]** Total unused JavaScript: 132 KB
### Resource Caching (A+ — 100/100)
*All resources properly cached*
- **[PASS]** No caching issues found
### Critical Rendering Path (A+ — 100/100)
*No render-blocking resources*
- **[PASS]** No render-blocking resources detected
### Resource Hints (A+ — 100/100)
*No optimization needed*
- **[PASS]** No resource hint issues
### Page Weight Inventory (C — 60/100)
*69 resources · 12.4 MB · 132 KB savings available*
- **[WARNING]** Page weight 11.4 MB over 1MB target
- **[INFO]** ~132 KB of savings available
- **[INFO]** 40 third-party resources (10% of weight)
- **[INFO]** 1 resources over 200KB
### Render-Blocking Resources (A+ — 100/100)
*No render-blocking resources detected*
- **[PASS]** No render-blocking resources detected in
### Third-Party Resources (A+ — 100/100)
*No third-party resources detected*
---
## Content Quality
### Links (A — 95/100)
*166 links checked, 165 healthy, 1 broken*
- **[WARNING]** 165 of 166 links are healthy
- **[CRITICAL]** Broken link: https://www.linkedin.com/school/uniofwarwick/?location=fo... — Found in . Returns HTTP 999.
### Mixed Content (A+ — 100/100)
*No mixed content detected — all resources use HTTPS.*
- **[PASS]** No mixed content detected — all resources use HTTPS
### Open Graph (F — 50/100)
*Open Graph tags need attention — social sharing previews may be incomplete.*
- **[WARNING]** Missing og:title — The og:title tag controls the title shown in social sharing previews.
- **[WARNING]** Missing og:description — The og:description tag controls the description in social sharing previews.
- **[INFO]** Missing og:url — The og:url tag specifies the canonical URL for the shared content.
- **[INFO]** Missing og:type — The og:type tag helps social platforms categorize the content.
- **[INFO]** Missing og:site_name — The og:site_name tag displays the website name in social previews.
- **[INFO]** Missing twitter:card — Without twitter:card, Twitter falls back to Open Graph tags. Adding it gives you more control.
### Structured Data (A+ — 100/100)
*1 JSON-LD block(s) found — structured data is well configured.*
- **[PASS]** Custom type "CollegeOrUniversity" — unable to validate specific properties
---
## Infrastructure
### DNS Records (A+ — 95/100)
*1 A records, 123 ms lookup*
- **[PASS]** Resolves to 1 IPv4 address(es)
- **[INFO]** Single A record — no DNS redundancy — Multiple A records provide failover if one server goes down.
- **[INFO]** No IPv6 (AAAA) records
- **[PASS]** 3 nameserver(s) configured
- **[PASS]** 1 mail exchanger(s) configured
- **[INFO]** CAA records not checked — CAA record lookup requires a specialized DNS resolver. This check will be available in a future update.
- **[PASS]** SPF record present in TXT
- **[PASS]** DNS resolution time: 123 ms
### Redirect Chain (A+ — 100/100)
*No redirects — direct access*
- **[PASS]** No redirects — direct access
### IPv6 Readiness (C — 60/100)
*No IPv6 support*
- **[INFO]** No IPv6 (AAAA) records found — IPv6 support is increasingly important for global accessibility. About 40% of internet users have IPv6 connectivity.
### Crawlability (A+ — 100/100)
*robots.txt present, sitemap with 340 URLs*
- **[PASS]** robots.txt is present
- **[PASS]** sitemap.xml is present
- **[PASS]** sitemap.xml is valid XML
- **[PASS]** sitemap.xml contains 340 entries
- **[PASS]** Sitemap index with 340 child sitemaps
- **[PASS]** robots.txt references sitemap
### URL Variants (A+ — 100/100)
*www/non-www, trailing slash, HTTP→HTTPS*
- **[PASS]** www/non-www redirect configured correctly (preferred: non-www)
- **[PASS]** HTTP correctly 301-redirects to HTTPS
### Domain Intelligence (A+ — 100/100)
*warwick.ac.uk — via No registrar listed. This domain is directly registered with Nominet., hosted on UOW-AS, GB*
- **[PASS]** Registrar: No registrar listed. This domain is directly registered with Nominet.
- **[WARNING]** Registrar lock is NOT enabled — The domain can be transferred without an unlock step. Enable registrar lock (clientTransferProhibited) in your registrar's control panel to protect against unauthorized or accidental transfers.
- **[PASS]** Hosting: UOW-AS, GB
---
## Compliance
### WCAG Compliance (A+ — 100/100)
*No testable criteria*
### Cookie Consent & Privacy (A — 85/100)
*No consent signals detected*
- **[WARNING]** No privacy policy link detected — A privacy policy page is recommended for transparency and may be legally required.
- **[PASS]** Terms of service link found
- **[INFO]** No cookie consent banner detected
- **[INFO]** This is an automated check, not legal advice — BeaverCheck detects technical indicators of consent management. This does not constitute a legal compliance assessment. Consult a privacy professional for GDPR/CCPA compliance.
### Language & i18n (A+ — 100/100)
*Lang attribute + Content-Language header*
- **[PASS]** attribute is present
- **[PASS]** value is valid
- **[PASS]** Content-Language header is set
- **[PASS]** Language signals are consistent
### Readability & Typography (A+ — 100/100)
*Font sizes and tap targets checked*
### Viewport Configuration (A+ — 100/100)
*Viewport properly configured*
- **[PASS]** Viewport meta tag is present
- **[PASS]** width=device-width is set
- **[PASS]** User zooming is allowed
### Third-Party Trackers (C — 55/100)
*2 trackers detected*
- **[INFO]** 2 third-party trackers detected — Found 1 analytics, 0 advertising, 0 marketing, 1 tag manager trackers.
- **[WARNING]** Trackers detected but no cookie policy found — This page loads 2 trackers but no cookie policy was detected. GDPR requires disclosure when using tracking cookies.
- **[WARNING]** Trackers detected but no privacy policy found — Most data protection regulations require a privacy policy when collecting user data via trackers.
### Cookie & Tracker Inventory (A+ — 100/100)
*0 cookies · 2 trackers · 0 pre-consent*
- **[INFO]** 2 third-party tracker(s) detected on page
---
## Legal
### Legal Page Ecosystem (A — 90/100)
*5 of 7 expected legal pages detected*
- **[PASS]** Privacy Policy detected — Found at https://warwick.ac.uk/privacy, linked from footer.
- **[PASS]** Terms of Service detected — Found at https://warwick.ac.uk/terms/general, linked from footer.
- **[PASS]** Cookie Policy detected — Found at https://warwick.ac.uk/cookies, linked from footer.
- **[PASS]** Accessibility Statement detected — Found at https://warwick.ac.uk/accessibility, linked from footer.
- **[PASS]** DMCA / Copyright Notice detected — Found at https://warwick.ac.uk/copyright, linked from footer.
- **[INFO]** Refund / Returns Policy not detected — No link matching common Refund / Returns Policy URL patterns or link text was found. Most websites are expected to have a Refund / Returns Policy, especially those collecting user data.
- **[INFO]** Acceptable Use Policy not detected — No link matching common Acceptable Use Policy URL patterns or link text was found. Most websites are expected to have a Acceptable Use Policy, especially those collecting user data.
### Copyright Notice (C — 55/100)
*No copyright notice detected*
- **[INFO]** No copyright notice detected — No copyright notice detected in the page content. While not legally required in most jurisdictions (copyright exists automatically), a notice is standard practice and signals site ownership.
### Regulatory Indicators
*2 regulatory indicator(s) detected*
- **[INFO]** This is a technical scan, not a legal assessment — BeaverCheck detects technical indicators that may suggest regulatory relevance. This is not a compliance audit and should not be relied upon for legal decisions. Consult qualified legal counsel for compliance assessments.
- **[INFO]** GDPR indicators detected (moderate confidence) — Indicators suggesting GDPR may be relevant: Privacy policy page found. EU General Data Protection Regulation — governs collection and processing of personal data of EU residents.
- **[INFO]** ADA indicators detected (moderate confidence) — Indicators suggesting ADA may be relevant: Accessibility statement page found. Americans with Disabilities Act / Section 508 — requires digital accessibility for people with disabilities.
### Third-Party Data Sharing
*1 third-party service(s) detected*
- **[INFO]** Data inventory for transparency purposes — This inventory identifies third-party services that receive data from your site visitors. Under regulations like GDPR (Article 30), maintaining records of data processing activities is commonly considered a best practice. This automated scan provides a starting point — it may not capture all data flows.
- **[INFO]** 1 third-party services across 1 categories — 1 third-party services detected across 1 categories: Tag Management (1). Each of these services receives some user data from your site visitors.
- **[INFO]** Google Tag Manager (Tag Management) — Detected via script URL. Typically collects: Orchestrates other tracking scripts, Page views. Privacy policy: https://policies.google.com/privacy. Data Processing Agreement available.
### Compliance Badges (C — 55/100)
*0 compliance badge(s) detected*
- **[INFO]** No compliance badges detected — No recognized compliance certification badges or seals were found. This is common — many sites do not display compliance badges.
---
## Availability
### CDN & Delivery (D — 50/100)
*No CDN detected*
- **[WARNING]** No CDN detected — A CDN can significantly improve load times for users around the world by caching content at edge nodes closer to them.
### HTTP Caching (B — 75/100)
*no-cache, private, must-revalidate*
- **[PASS]** Cache-Control header is set
- **[PASS]** ETag present — enables conditional (304) responses
### Transport Security (A — 90/100)
*HTTP/3, HSTS, and TLS version analysis*
- **[INFO]** HTTP/3 (QUIC) not advertised — HTTP/3 eliminates head-of-line blocking. If your CDN supports it, consider enabling it.
- **[PASS]** HSTS enabled (preload)
- **[INFO]** HSTS missing includeSubDomains — Without includeSubDomains, HSTS only protects the exact domain.
- **[PASS]** HSTS preload enabled
- **[PASS]** TLS 1.3 in use (fastest handshake, 1-RTT)
---
## Accessibility
### Landmark Structure (A+ — 100/100)
*8 landmarks*
- **[PASS]** landmark present
- **[PASS]** 2