# BeaverCheck Audit Report — https://nrdc.org **Date:** April 21, 2026 **URL:** https://nrdc.org **Overall Grade:** C (77/100) **Report:** https://beavercheck.com/results/05509ad4-a349-4876-ae17-0b6c140e9e4c ## Top Findings 1. **[CRITICAL]** Content-Security-Policy header is missing — Security > Security Headers 2. **[CRITICAL]** No Content-Security-Policy header found — Security > Content Security Policy 3. **[CRITICAL]** 4 button(s) with no accessible text — Accessibility > Link & Button Quality 4. **[WARNING]** 100 third-party resources (100% of weight) — Performance > Page Weight Inventory 5. **[WARNING]** 101 HTTP requests — consider bundling or reducing — Performance > Page Weight Budget --- ## Lighthouse Scores | Category | Score | |----------|-------| | Performance | 66 | | Accessibility | 97 | | Best Practices | 73 | | SEO | 92 | --- ## Security ### Security Headers (F — 30/100) *3 of 10 headers properly configured* - **[PASS]** Strict-Transport-Security is properly configured (consider adding preload) - **[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 68 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 (D — 40/100) *1 of 11 external resources have SRI* - **[WARNING]** External script from unpkg.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. - **[WARNING]** External script from try.abtasty.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. - **[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 admin-pipeline.upsun-us-4.observability-pipeline.blackfire.io 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. - **[WARNING]** External script from cdn.cookielaw.org 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. - **[PASS]** script from static.cloudflareinsights.com has SRI protection - **[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* - **[INFO]** No security.txt found — Consider adding a security.txt at /.well-known/security.txt. - **[PASS]** No sensitive files exposed ### Email Security (A+ — 100/100) *DMARC: reject* - **[PASS]** DMARC policy is reject — strongest 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 (B — 83/100) *1.1 MB transferred, 101 requests* - **[PASS]** Page weighs 3.3 MB (1.1 MB transferred) - **[WARNING]** JavaScript is 700 KB — consider code splitting or lazy loading — Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts. - **[INFO]** Fonts are 213 KB — consider subsetting or using system fonts — Subset fonts to include only used characters, or switch to system font stacks. - **[WARNING]** 101 HTTP requests — consider bundling or reducing — Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests. - **[INFO]** Estimated 0.23 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 (1.1 MiB of 1.1 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 (A — 85/100) *5 images, 0 KB saveable* - **[PASS]** All images are well-optimized ### JS Execution Cost (D — 40/100) *3407ms total JS execution* - **[WARNING]** https://www.nrdc.org/: 701ms CPU time - **[WARNING]** https://cdn.cookielaw.org/scripttemplates/202508.2...: 594ms CPU time - **[WARNING]** Unattributable: 567ms CPU time - **[WARNING]** https://www.nrdc.org/themes/nrdc_theme/dist/js/com...: 441ms CPU time - **[WARNING]** https://www.googletagmanager.com/gtm.js?id=GTM-MX5...: 436ms CPU time - **[WARNING]** Third-party scripts: 3407ms (100% of total) ### Font Loading (A+ — 100/100) *6 fonts (213 KB)* - **[INFO]** 6 font(s) use font-display: swap (FOUT risk but functional) ### JS Bundles (D — 40/100) *44 scripts, 311 KB unused* - **[WARNING]** https://admin-pipeline.upsun-us-4.observability-pi...: 88 KB unused (91%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.nrdc.org/themes/nrdc_theme/dist/js/com...: 71 KB unused (78%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.googletagmanager.com/gtm.js?id=GTM-MX5...: 65 KB unused (34%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://cdn.cookielaw.org/scripttemplates/202508.2...: 65 KB unused (53%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.nrdc.org/core/assets/vendor/jquery/jqu...: 24 KB unused (76%) — Consider code splitting or tree shaking to reduce unused code. - **[INFO]** Total unused JavaScript: 311 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) *3 hints, 0 missing preconnects* - **[PASS]** Page uses 3 resource hint(s) ### Page Weight Inventory (B — 80/100) *101 resources · 1.1 MB · 311 KB savings available* - **[WARNING]** Page weight 98 KB over 1MB target - **[INFO]** ~311 KB of savings available - **[WARNING]** 100 third-party resources (100% of weight) ### 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 (F — 40/100) *161 links checked, 111 healthy, 50 broken* - **[CRITICAL]** 111 of 161 links are healthy - **[WARNING]** Broken link: https://nrdc.org/manifest.webmanifest — Found in . Returns HTTP 403. - **[WARNING]** Broken link: https://fonts.googleapis.com — Found in . Returns HTTP 404. - **[WARNING]** Broken link: https://fonts.gstatic.com — Found in . Returns HTTP 404. - **[CRITICAL]** Broken link: https://nrdc.org/climate-crisis — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/stories/what-climate-change — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/stories/what-are-causes-climate-change — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/stories/what-are-effects-climate-change — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/stories/what-are-solutions-climate-change — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/experts — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/sustainability-nrdc — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/issues/agriculture-food — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/issues/buildings — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/issues/climate-adaptation — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/issues/fossil-fuels — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/issues/industrial-production — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/issues/renewable-energy — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/issues/sustainable-cities — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/issues/sustainable-finance — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/issues/transportation — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/issues/equity-justice — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/issues/human-health — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/issues/clean-air — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/issues/drinking-water — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/issues/nature-wildlife — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/issues/fresh-water — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/issues/oceans — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/issues/wildlife — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/news-and-commentary — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/data-reports-resources — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/court-battles — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/take-action/add-your-voice — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/take-action/toolkits — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/take-action/events — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/ways-give — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/privacy-policy — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/stories/venezuelas-oil-resources-are-vas... — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/bio/rebecca-loomis/sixteen-years-after-d... — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/bio/michael-jasny/god-squad-hell-trump-c... — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/stories/endangered-species-act-under-attack — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/stories/nrdc-epa-get-rocket-fuel-out-our... — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/bio/jackie-wong/ignorance-not-option-why... — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/homeowners-cant-count-insurance-states-c... — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/stories/should-harmful-pesticides-come-w... — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/bio/kathy-harris/epa-uses-funny-math-jus... — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/stories/mercurys-journey-coal-burning-po... — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/bio/mitchell-bernard/doj-crisis-courts-c... — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/media — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/careers — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/contact-us — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://nrdc.org/es/nrdc-espanol — Found in . Returns HTTP 403. ### Mixed Content (A+ — 100/100) *No mixed content detected — all resources use HTTPS.* - **[PASS]** No mixed content detected — all resources use HTTPS ### Open Graph (B — 80/100) *Open Graph tags are partially configured — some improvements recommended.* - **[WARNING]** Missing og:title — The og:title tag controls the title shown in social sharing previews. - **[INFO]** Missing twitter:card — Without twitter:card, Twitter falls back to Open Graph tags. Adding it gives you more control. ### Structured Data (C — 40/100) *No structured data (JSON-LD) found.* - **[INFO]** No structured data (JSON-LD) found — Adding structured data helps search engines understand your content and can enable rich results. --- ## Infrastructure ### DNS Records (A+ — 95/100) *1 A records, 38 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]** 4 nameserver(s) configured - **[PASS]** 2 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: 38 ms ### Redirect Chain (A — 90/100) *1 redirect(s), 779 ms total* - **[PASS]** Single redirect - **[INFO]** WWW normalization redirect - **[INFO]** Redirect overhead: 779 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 (A+ — 100/100) *robots.txt present, sitemap with 12 URLs* - **[PASS]** robots.txt is present - **[PASS]** sitemap.xml is present - **[PASS]** sitemap.xml is valid XML - **[PASS]** sitemap.xml contains 12 entries - **[PASS]** Sitemap index with 12 child sitemaps - **[PASS]** robots.txt references sitemap ### URL Variants (B — 75/100) *www/non-www, trailing slash, HTTP→HTTPS* - **[CRITICAL]** Both www and non-www versions serve content - **[PASS]** HTTP correctly 301-redirects to HTTPS ### Domain Intelligence *Domain intelligence data not available* --- ## Compliance ### WCAG Compliance (A+ — 100/100) *No testable criteria* ### Cookie Consent & Privacy (A+ — 95/100) *privacy policy found* - **[PASS]** Privacy policy link found - **[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 (A+ — 95/100) *3 trackers detected* - **[INFO]** 3 third-party trackers detected — Found 2 analytics, 0 advertising, 0 marketing, 1 tag manager trackers. ### Cookie & Tracker Inventory (A+ — 100/100) *0 cookies · 3 trackers · 0 pre-consent* - **[INFO]** 3 third-party tracker(s) detected on page --- ## Legal ### Legal Page Ecosystem (F — 30/100) *1 of 7 expected legal pages detected* - **[PASS]** Privacy Policy detected — Found at /privacy-policy. - **[WARNING]** Terms of Service not detected — No link matching common Terms of Service URL patterns or link text was found. Most websites are expected to have a Terms of Service, especially those collecting user data. - **[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. - **[INFO]** Accessibility Statement not detected — No link matching common Accessibility Statement URL patterns or link text was found. Most websites are expected to have a Accessibility Statement, especially those collecting user data. - **[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 NRDC* - **[PASS]** Copyright notice is up to date — Copyright notice is up to date: © 2026 NRDC - **[PASS]** Copyright holder: NRDC ### Regulatory Indicators *1 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 (strong confidence) — Indicators suggesting GDPR may be relevant: Consent management platform detected: cookielaw.org; Privacy policy page found. EU General Data Protection Regulation — governs collection and processing of personal data of EU residents. ### 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 (B — 70/100) *1 compliance badge(s) detected* - **[PASS]** TRUSTe / TrustArc badge detected — Found via body text: 'truste'. Note: the presence of a badge does not verify the certification is current or valid. --- ## 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 (F — 30/100) *No cache headers* - **[WARNING]** No Cache-Control header found — Browsers will use heuristic caching, which can be unpredictable. Set explicit cache headers. ### 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 (includeSubDomains) - **[PASS]** TLS 1.3 in use (fastest handshake, 1-RTT) --- ## Accessibility ### Landmark Structure (A — 90/100) *9 landmarks* - **[PASS]**
landmark present - **[PASS]** 2