# BeaverCheck Audit Report — https://warnerbros.com **Date:** April 21, 2026 **URL:** https://warnerbros.com **Overall Grade:** C (72/100) **Report:** https://beavercheck.com/results/5483cecb-86d6-4dbf-84e9-3a86ad44d083 ## Top Findings 1. **[CRITICAL]** Content-Security-Policy header is missing — Security > Security Headers 2. **[CRITICAL]** HSTS header is missing — Security > Security Headers 3. **[CRITICAL]** No Content-Security-Policy header found — Security > Content Security Policy 4. **[CRITICAL]** Page weighs 8.8 MB (5.6 MB transferred) — Performance > Page Weight Budget 5. **[CRITICAL]** 57 link(s) with no accessible text — Accessibility > Link & Button Quality --- ## Lighthouse Scores | Category | Score | |----------|-------| | Performance | 36 | | Accessibility | 97 | | Best Practices | 77 | | SEO | 92 | --- ## Security ### Security Headers (F — 10/100) *2 of 10 headers properly configured* - **[CRITICAL]** HSTS header is missing — Strict-Transport-Security forces browsers to use HTTPS, preventing downgrade attacks. Add the header with a max-age of at least 1 year. - **[WARNING]** X-Content-Type-Options header is missing — This header prevents MIME-type sniffing, which can lead to XSS attacks. Set it to 'nosniff'. - **[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. - **[WARNING]** Referrer-Policy header is missing — Controls how much referrer information is sent with requests. Set to 'strict-origin-when-cross-origin' or stricter. - **[WARNING]** Permissions-Policy header is missing — Controls which browser features (camera, microphone, geolocation) are allowed. Set it to restrict unused features. - **[CRITICAL]** Content-Security-Policy header is missing — CSP is the most important header for preventing XSS attacks. See the CSP section for detailed analysis. - **[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 (F — 0/100) *No enforcing CSP policy found* - **[CRITICAL]** No Content-Security-Policy header found — CSP is the most effective defense against XSS attacks. Add a Content-Security-Policy header to restrict resource loading. ### 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 76 days) - **[PASS]** Certificate chain has 3 certificates - **[PASS]** Certificate uses modern signature algorithm - **[PASS]** Certificate covers 10 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 2 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 script from cdn.cookielaw.org 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 (D — 40/100) *No header set* - **[WARNING]** No Permissions-Policy header — Consider adding a Permissions-Policy header to restrict browser feature access from embedded content. ### CORS Configuration (B — 80/100) *No CORS headers* - **[PASS]** No CORS headers present — secure default --- ## Performance ### Page Weight Budget (F — 0/100) *5.6 MB transferred, 51 requests* - **[CRITICAL]** Page weighs 8.8 MB (5.6 MB transferred) - **[WARNING]** Images are 4.5 MB — compress or use modern formats — Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size. - **[WARNING]** JavaScript is 971 KB — consider code splitting or lazy loading — Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts. - **[INFO]** 51 HTTP requests - **[INFO]** Estimated 1.2 g CO2 per page load ### Third-Party Impact (D — 50/100) *100% third-party, 0 ms blocking* - **[WARNING]** Third-party code accounts for 100% of page weight (5.6 MiB of 5.6 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 (B — 70/100) *22 images, 0 KB saveable* - **[WARNING]** https://www.warnerbros.com/assets/images/home/wb/l... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. ### JS Execution Cost (F — 20/100) *4132ms total JS execution* - **[WARNING]** https://www.warnerbros.com/main.4e873d21.js: 1709ms CPU time - **[WARNING]** https://www.warnerbros.com/: 492ms CPU time - **[WARNING]** https://www.warnerbros.com/templates/vendors~main....: 474ms CPU time - **[WARNING]** Unattributable: 467ms CPU time - **[WARNING]** https://cdn.cookielaw.org/scripttemplates/202505.2...: 327ms CPU time - **[WARNING]** Third-party scripts: 4132ms (100% of total) ### Font Loading (A+ — 100/100) *1 fonts (31 KB)* - **[INFO]** 1 font(s) use font-display: swap (FOUT risk but functional) ### JS Bundles (D — 40/100) *12 scripts, 405 KB unused* - **[WARNING]** https://www.warnerbros.com/templates/__react_stati...: 87 KB unused (93%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.warnerbros.com/templates/vendors~__rea...: 86 KB unused (55%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.warnerbros.com/templates/vendors~main....: 71 KB unused (24%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.googletagmanager.com/gtm.js?id=GTM-NVM...: 68 KB unused (52%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://cdn.cookielaw.org/scripttemplates/202505.2...: 62 KB unused (52%) — Consider code splitting or tree shaking to reduce unused code. - **[INFO]** Total unused JavaScript: 405 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) *12 hints, 0 missing preconnects* - **[PASS]** Page uses 12 resource hint(s) ### Page Weight Inventory (F — 35/100) *51 resources · 5.6 MB · 405 KB savings available* - **[WARNING]** Page weight 4.6 MB over 1MB target - **[INFO]** ~405 KB of savings available - **[WARNING]** 50 third-party resources (100% of weight) - **[INFO]** 4 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+ — 100/100) *139 links checked, 139 healthy, 0 broken* - **[PASS]** 139 of 139 links are healthy ### Mixed Content (A+ — 100/100) *No mixed content detected — all resources use HTTPS.* - **[PASS]** No mixed content detected — all resources use HTTPS ### Open Graph (A — 95/100) *Open Graph tags are well configured for social sharing.* - **[INFO]** Missing og:site_name — The og:site_name tag displays the website name in social previews. ### Structured Data (A+ — 100/100) *1 JSON-LD block(s) found — structured data is well configured.* - **[INFO]** Missing recommended property "sameAs" for Organization — Adding "sameAs" can improve how search engines display your content. --- ## Infrastructure ### DNS Records (A+ — 100/100) *2 A records, 105 ms lookup* - **[PASS]** Resolves to 2 IPv4 address(es) - **[INFO]** No IPv6 (AAAA) records - **[PASS]** 4 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: 105 ms ### Redirect Chain (B — 70/100) *2 redirect(s), 679 ms total* - **[WARNING]** 2 redirects before reaching final URL — Each redirect adds latency. Try to minimize the chain to 1 hop. - **[INFO]** HTTP to HTTPS redirect present - **[INFO]** WWW normalization redirect - **[WARNING]** 2-hop chain could be reduced to 1 hop — Redirect directly from https://warnerbros.com to https://www.warnerbros.com/ - **[INFO]** Redirect overhead: 679 ms total ### 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 (C — 65/100) *robots.txt present, sitemap with 0 URLs* - **[PASS]** robots.txt is present - **[PASS]** sitemap.xml is present - **[WARNING]** sitemap.xml contains invalid XML — Search engines may not be able to parse the sitemap. Fix XML validation errors. - **[WARNING]** sitemap.xml is empty — no URLs found — An empty sitemap provides no value. Add entries for your pages. - **[INFO]** robots.txt does not reference a sitemap — Add a 'Sitemap:' directive to robots.txt so search engines can discover your sitemap. ### URL Variants (D — 50/100) *www/non-www, trailing slash, HTTP→HTTPS* - **[CRITICAL]** Both www and non-www versions serve content - **[CRITICAL]** HTTP version does not redirect to HTTPS ### Domain Intelligence (A+ — 100/100) *warnerbros.com — via MarkMonitor Inc., 31 years, 2 months old, hosted on AWS* - **[PASS]** Domain registered until Jul 20, 2030 (4 years, 3 months remaining) - **[INFO]** DNSSEC is not enabled — DNSSEC protects against DNS spoofing attacks. While not required, enabling DNSSEC adds an additional layer of security. Contact your DNS provider to enable it. - **[PASS]** Registrar: MarkMonitor Inc. - **[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: AWS --- ## Compliance ### WCAG Compliance (A+ — 100/100) *No testable criteria* ### Cookie Consent & Privacy (B — 80/100) *No consent signals detected* - **[WARNING]** No privacy policy link detected — A privacy policy page is recommended for transparency and may be legally required. - **[INFO]** No terms of service link detected - **[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 — 90/100) *Lang attribute present* - **[PASS]** attribute is present - **[PASS]** value is valid - **[INFO]** No Content-Language HTTP header - **[INFO]** Language signals are inconsistent — The attribute and Content-Language header should agree. ### 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) *6 trackers detected* - **[INFO]** 6 third-party trackers detected — Found 5 analytics, 0 advertising, 0 marketing, 1 tag manager trackers. - **[WARNING]** Trackers detected but no cookie policy found — This page loads 6 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 · 6 trackers · 0 pre-consent* - **[INFO]** 6 third-party tracker(s) detected on page --- ## Legal ### Legal Page Ecosystem (B — 70/100) *3 of 7 expected legal pages detected* - **[PASS]** Privacy Policy detected — Found at https://www.warnermediaprivacy.com/policycenter/b2c/wm/, linked from footer. - **[PASS]** Terms of Service detected — Found at https://policies.warnerbros.com/terms/en-us/, linked from footer. - **[INFO]** Cookie Policy not detected — No link matching common Cookie Policy URL patterns or link text was found. Most websites are expected to have a Cookie Policy, especially those collecting user data. - **[PASS]** Accessibility Statement detected — Found at https://policies.warnerbros.com/terms/en-us/#accessibility, linked from footer. - **[INFO]** DMCA / Copyright Notice not detected — No link matching common DMCA / Copyright Notice URL patterns or link text was found. Most websites are expected to have a DMCA / Copyright Notice, especially those collecting user data. - **[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 (A+ — 100/100) *© 2026 Warner Bros* - **[PASS]** Copyright notice is up to date — Copyright notice is up to date: © 2026 Warner Bros - **[PASS]** Copyright holder: Warner Bros ### 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: Consent management platform detected: cookielaw.org. 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 link found: Accessibility. 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 (A — 90/100) *max-age=600 (10 minutes)* - **[PASS]** Cache-Control header is set - **[PASS]** Effective TTL: 10 minutes (max-age=600) - **[INFO]** No ETag or Last-Modified header — Conditional requests (304 Not Modified) are not possible without validators. ### Transport Security (B — 75/100) *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. - **[WARNING]** Missing Strict-Transport-Security header — HSTS tells browsers to only use HTTPS, preventing SSL stripping attacks. - **[PASS]** TLS 1.3 in use (fastest handshake, 1-RTT) --- ## Accessibility ### Landmark Structure (A+ — 95/100) *63 landmarks* - **[PASS]**
landmark present - **[PASS]** 4