# BeaverCheck Audit Report — https://www.ted.com **Date:** April 4, 2026 **URL:** https://www.ted.com **Overall Grade:** D (69/100) **Report:** https://beavercheck.com/results/b5acf832-b44c-4420-9d0f-4205b0d54671 ## 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]** Page weighs 39.4 MB (26.4 MB transferred) — Performance > Page Weight Budget 4. **[CRITICAL]** 1 control(s) without accessible label — Accessibility > Form Accessibility 5. **[CRITICAL]** 1 image-only link(s) without alt text — Accessibility > Link & Button Quality --- ## Lighthouse Scores | Category | Score | |----------|-------| | Performance | 25 | | Accessibility | 80 | | Best Practices | 100 | | SEO | 100 | --- ## Security ### Security Headers (D — 45/100) *3 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 - **[PASS]** X-Frame-Options is properly configured - **[PASS]** Referrer-Policy is properly configured - **[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. - **[WARNING]** X-Powered-By header reveals technology stack — This header discloses server technology (e.g. Express, PHP), helping attackers target known vulnerabilities. Remove it. - **[WARNING]** Server header reveals version information — The Server header discloses the software version, aiding attackers in targeting known vulnerabilities. Remove the version number. ### 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 1.2, 7 checks passed* - **[PASS]** TLS 1.2 is used - **[INFO]** TLS 1.3 is not negotiated — TLS 1.3 offers improved performance and security. Consider enabling it. - **[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 178 days) - **[PASS]** Certificate chain has 2 certificates - **[PASS]** Certificate uses modern signature algorithm - **[PASS]** Certificate covers 2 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 4 external resources have SRI* - **[WARNING]** External script from b-code.liadm.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from cmp.osano.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from securepubads.g.doubleclick.net lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from ak.sail-horizon.com 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 (F — 30/100) *No DMARC* - **[WARNING]** No DMARC record found — Without DMARC, email receivers have no policy for handling authentication failures. ### 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) *26.4 MB transferred, 295 requests* - **[CRITICAL]** Page weighs 39.4 MB (26.4 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 3.6 MB — consider code splitting or lazy loading — Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts. - **[INFO]** Fonts are 435 KB — consider subsetting or using system fonts — Subset fonts to include only used characters, or switch to system font stacks. - **[WARNING]** 295 HTTP requests — consider bundling or reducing — Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests. - **[INFO]** Estimated 5.5 g CO2 per page load ### Third-Party Impact (D — 50/100) *93% third-party, 0 ms blocking* - **[WARNING]** Third-party code accounts for 93% of page weight (24.5 MiB of 26.4 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 (B — 75/100) *33 images, 0 KB saveable* - **[PASS]** All images are well-optimized ### JS Execution Cost (F — 20/100) *31081ms total JS execution* - **[WARNING]** Unattributable: 6065ms CPU time - **[WARNING]** https://www.ted.com/_next/static/chunks/0ujyvbd_j_...: 4606ms CPU time - **[WARNING]** https://www.ted.com/_next/static/chunks/0ceke3n72t...: 4114ms CPU time - **[WARNING]** https://www.ted.com/: 3487ms CPU time - **[WARNING]** https://cmp.osano.com/AzqTgHUHUGJa7gInt/9e4d9097-f...: 1795ms CPU time - **[INFO]** Third-party scripts: 12369ms (40% of total) ### Font Loading (A+ — 100/100) *3 fonts (435 KB)* - **[INFO]** 3 font(s) use font-display: swap (FOUT risk but functional) ### JS Bundles (F — 0/100) *127 scripts, 1.8 MB unused* - **[WARNING]** https://static.fundraiseup.com/checkout.098fc4d30f...: 354 KB unused (89%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://media.begenuin.com/sdk/chunks/feed-C4rzC3f...: 172 KB unused (88%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://media.begenuin.com/sdk/chunks/feed-C4rzC3f...: unminified — 68 KB could be saved - **[WARNING]** https://media.begenuin.com/sdk/chunks/index-8EYXbS...: 160 KB unused (56%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://media.begenuin.com/sdk/chunks/index-8EYXbS...: unminified — 97 KB could be saved - **[WARNING]** https://cdn.yourbow.com/ted/hbyb.js: 140 KB unused (71%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://securepubads.g.doubleclick.net/pagead/mana...: 126 KB unused (69%) — Consider code splitting or tree shaking to reduce unused code. - **[INFO]** Total unused JavaScript: 1.8 MB ### 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) *21 hints, 0 missing preconnects* - **[PASS]** Page uses 21 resource hint(s) --- ## Content Quality ### Links (F — 40/100) *200 links checked, 186 healthy, 14 broken* - **[CRITICAL]** 186 of 200 links are healthy - **[WARNING]** Broken link: https://graphql.ted.com — Found in . Returns HTTP 400. - **[WARNING]** Broken link: https://pi.tedcdn.com — Found in . Returns HTTP 404. - **[WARNING]** Broken link: https://securepubads.g.doubleclick.net — Found in . Returns HTTP 404. - **[WARNING]** Broken link: https://sli.ted.com — Found in . Returns HTTP 404. - **[WARNING]** Broken link: https://rp.liadm.com — Found in . Returns HTTP 404. - **[WARNING]** Broken link: https://www.ted.com/_next/static/chunks/1066o77dgam72.css — Found in . Get "https://www.ted.com/_next/static/chunks/1066o77dgam72.css": context deadline exceeded - **[CRITICAL]** Broken link: https://www.ted.com/talks?sort=newest&topics%5B0%5D=perfo... — Found in . Get "https://www.ted.com/talks?sort=newest&topics%5B0%5D=performance": context deadline exceeded - **[CRITICAL]** Broken link: https://www.ted.com/talks?sort=newest — Found in . Get "https://www.ted.com/talks?sort=newest": context deadline exceeded - **[CRITICAL]** Broken link: https://www.ted.com/topics/ai — Found in . Get "https://www.ted.com/topics/ai": context deadline exceeded - **[CRITICAL]** Broken link: https://www.ted.com/topics/technology — Found in . Get "https://www.ted.com/topics/technology": context deadline exceeded - **[CRITICAL]** Broken link: https://www.ted.com/topics/sustainability — Found in . Get "https://www.ted.com/topics/sustainability": context deadline exceeded - **[CRITICAL]** Broken link: https://www.ted.com/topics/business — Found in . Get "https://www.ted.com/topics/business": context deadline exceeded - **[CRITICAL]** Broken link: https://www.ted.com/topics/health — Found in . Get "https://www.ted.com/topics/health": context deadline exceeded - **[CRITICAL]** Broken link: https://fellows.ted.com/directory — Found in . Get "https://fellows.ted.com/directory": context deadline exceeded ### 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.* - **[CRITICAL]** og:image is not reachable — The og:image URL could not be fetched. Social platforms won't be able to display it. - **[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. ### 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 (B — 75/100) *1 A records, 85 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. - **[PASS]** Has 1 IPv6 (AAAA) record(s) - **[WARNING]** CNAME record at zone apex — A CNAME at the zone apex can break MX and NS records. Use ALIAS/ANAME or A records instead. - **[INFO]** No NS records found - **[INFO]** No MX records — email not configured via DNS - **[INFO]** CAA records not checked — CAA record lookup requires a specialized DNS resolver. This check will be available in a future update. - **[INFO]** No SPF record found in TXT records — SPF helps prevent email spoofing. Add a TXT record starting with 'v=spf1'. - **[PASS]** DNS resolution time: 85 ms ### Redirect Chain (A+ — 100/100) *No redirects — direct access* - **[PASS]** No redirects — direct access ### IPv6 Readiness (A+ — 100/100) *IPv6 reachable (75 ms)* - **[PASS]** IPv6 is configured and reachable at 2a04:4e42:12::645 ### Crawlability (A+ — 100/100) *robots.txt present, sitemap with 28 URLs* - **[PASS]** robots.txt is present - **[PASS]** sitemap.xml is present - **[PASS]** sitemap.xml is valid XML - **[PASS]** sitemap.xml contains 28 entries - **[PASS]** Sitemap index with 28 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: www) - **[PASS]** HTTP correctly 301-redirects to HTTPS ### Domain Intelligence (A+ — 100/100) *ted.com — via Name.com, Inc., 31 years, 10 months old, hosted on AWS* - **[PASS]** Domain registered until Nov 7, 2026 (7 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: Name.com, Inc. - **[PASS]** Hosting: AWS --- ## Compliance ### WCAG Compliance (A+ — 100/100) *No testable criteria* ### Cookie Consent & Privacy (B — 80/100) *OneTrust 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 - **[PASS]** Consent banner detected (OneTrust) - **[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 (C — 60/100) *Viewport prevents zooming* - **[PASS]** Viewport meta tag is present - **[PASS]** width=device-width is set - **[CRITICAL]** Viewport prevents user zooming — user-scalable=no or maximum-scale < 2 prevents users from zooming. This is a WCAG 1.4.4 (Level AA) failure and an accessibility barrier for users with low vision. --- ## Legal ### Legal Page Ecosystem (F — 30/100) *1 of 7 expected legal pages detected* - **[PASS]** Privacy Policy detected — Found at https://www.ted.com/about/our-organization/our-policies-terms/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 (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 *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: osano.com; Privacy policy page found. EU General Data Protection Regulation — governs collection and processing of personal data of EU residents. ### Third-Party Data Sharing *0 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]** No recognized third-party data-sharing services detected — This page does not appear to load external tracking, analytics, or advertising scripts. ### 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 (A+ — 100/100) *Fastly (HIT)* - **[PASS]** Site is served via Fastly CDN - **[PASS]** CDN cache status: HIT ### HTTP Caching (B — 80/100) *s-maxage=180, stale-while-revalidate=31535820* - **[PASS]** Cache-Control header is set - **[PASS]** CDN TTL: 3 minutes (s-maxage=180) - **[PASS]** ETag present — enables conditional (304) responses --- ## Accessibility ### Landmark Structure (B — 75/100) *8 landmarks* - **[PASS]**
landmark present - **[PASS]** 3