# BeaverCheck Audit Report — https://teamviewer.com **Date:** April 16, 2026 **URL:** https://teamviewer.com **Overall Grade:** C (77/100) **Report:** https://beavercheck.com/results/a334db56-981f-417a-8716-3ff5205e3b5f ## Top Findings 1. **[CRITICAL]** 1 control(s) without accessible label — Accessibility > Form Accessibility 2. **[CRITICAL]** 1 link(s) with no accessible text — Accessibility > Link & Button Quality 3. **[CRITICAL]** 4 button(s) with no accessible text — Accessibility > Link & Button Quality 4. **[CRITICAL]** 78 image-only link(s) without alt text — Accessibility > Link & Button Quality 5. **[WARNING]** is missing width/height — may cause layout shift — Performance > Image Optimization --- ## Lighthouse Scores | Category | Score | |----------|-------| | Performance | 31 | | Accessibility | 91 | | Best Practices | 100 | | SEO | 92 | --- ## Security ### Security Headers (B — 75/100) *7 of 10 headers properly configured* - **[PASS]** Strict-Transport-Security is properly configured (consider adding preload) - **[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. - **[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 (A — 90/100) *7 of 10 CSP checks passed* - **[INFO]** Raw CSP policy - **[PASS]** default-src directive is set - **[PASS]** No 'unsafe-inline' in script source - **[PASS]** No 'unsafe-eval' in script source - **[PASS]** No wildcard in script source - **[PASS]** object-src is set to 'none' - **[PASS]** base-uri is properly restricted - **[PASS]** frame-ancestors directive is set - **[WARNING]** form-action directive is missing — form-action restricts where forms can submit data, preventing form hijacking. - **[INFO]** upgrade-insecure-requests is not set — This directive upgrades HTTP resources to HTTPS automatically, preventing mixed content. ### 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 37 days) - **[PASS]** Certificate chain has 4 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 (D — 40/100) *1 of 8 external resources have SRI* - **[PASS]** script from www.gstatic.com has SRI protection - **[WARNING]** External script from assets.adobedtm.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from www.google.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 cdn.cookielaw.org lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from assets.adobedtm.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from assets.adobedtm.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from assets.adobedtm.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* - **[PASS]** security.txt is present — good practice - **[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 (F — 34/100) *2.8 MB transferred, 117 requests* - **[WARNING]** Page weighs 7.7 MB (2.8 MB transferred) - **[WARNING]** JavaScript is 1.2 MB — consider code splitting or lazy loading — Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts. - **[INFO]** Fonts are 479 KB — consider subsetting or using system fonts — Subset fonts to include only used characters, or switch to system font stacks. - **[WARNING]** 117 HTTP requests — consider bundling or reducing — Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests. - **[INFO]** Estimated 0.58 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 (2.8 MiB of 2.8 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) *68 images, 0 KB saveable* - **[WARNING]** https://teamviewer.scene7.com/is/image/teamviewerg... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://teamviewer.scene7.com/is/content/teamviewe... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://teamviewer.scene7.com/is/content/teamviewe... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://teamviewer.scene7.com/is/image/teamviewerg... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://teamviewer.scene7.com/is/content/teamviewe... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://teamviewer.scene7.com/is/content/teamviewe... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://teamviewer.scene7.com/is/image/teamviewerg... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://s7g10.scene7.com/is/content/teamviewergmbh... 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://teamviewer.scene7.com/is/image/teamviewerg... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://teamviewer.scene7.com/is/image/teamviewerg... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://teamviewer.scene7.com/is/content/teamviewe... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. ### JS Execution Cost (F — 20/100) *7168ms total JS execution* - **[WARNING]** Unattributable: 2460ms CPU time - **[WARNING]** https://www.gstatic.com/recaptcha/releases/gTpTIWh...: 1526ms CPU time - **[WARNING]** https://assets.adobedtm.com/439d99b3b8f0/eec744300...: 884ms CPU time - **[WARNING]** https://www.teamviewer.com/nl/: 828ms CPU time - **[WARNING]** https://cdn.cookielaw.org/scripttemplates/202601.2...: 615ms CPU time - **[WARNING]** Third-party scripts: 7168ms (100% of total) ### Font Loading (A+ — 100/100) *6 fonts (479 KB)* - **[INFO]** 6 font(s) use font-display: swap (FOUT risk but functional) ### JS Bundles (F — 10/100) *22 scripts, 821 KB unused* - **[WARNING]** https://www.gstatic.com/recaptcha/releases/gTpTIWh...: 177 KB unused (49%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.gstatic.com/recaptcha/releases/gTpTIWh...: 177 KB unused (49%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.gstatic.com/recaptcha/releases/gTpTIWh...: 177 KB unused (49%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.teamviewer.com/etc.clientlibs/teamview...: 106 KB unused (80%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.teamviewer.com/etc.clientlibs/core/fd/...: 92 KB unused (81%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.teamviewer.com/etc.clientlibs/core/fd/...: unminified — 30 KB could be saved - **[INFO]** Total unused JavaScript: 821 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) *2 hints, 0 missing preconnects* - **[PASS]** Page uses 2 resource hint(s) ### Page Weight Inventory (F — 25/100) *117 resources · 2.8 MB · 821 KB savings available* - **[WARNING]** Page weight 1.8 MB over 1MB target - **[INFO]** ~821 KB of savings available - **[WARNING]** 116 third-party resources (100% of weight) - **[INFO]** 2 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+ — 98/100) *200 links checked, 199 healthy, 0 broken* - **[PASS]** 199 of 200 links are healthy - **[INFO]** Long redirect chain: https://teamviewer.com/nl/global/support/commun... (3 hops) ### 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 — 90/100) *Open Graph tags are well configured for social sharing.* - **[CRITICAL]** og:image is not reachable — The og:image URL could not be fetched. Social platforms won't be able to display it. ### 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+ — 95/100) *1 A records, 23 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) - **[PASS]** 5 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: 23 ms ### Redirect Chain (B — 70/100) *2 redirect(s), 152 ms total* - **[WARNING]** 2 redirects before reaching final URL — Each redirect adds latency. Try to minimize the chain to 1 hop. - **[INFO]** WWW normalization redirect - **[INFO]** Uses 302 (temporary) redirect — If permanent, use 301 instead. ### IPv6 Readiness (A+ — 100/100) *IPv6 reachable (1 ms)* - **[PASS]** IPv6 is configured and reachable at 2600:9000:a61f:6da7:367b:7826:b8c1:d0a8 ### Crawlability (A+ — 95/100) *robots.txt present, sitemap with 31 URLs* - **[PASS]** robots.txt is present - **[PASS]** sitemap.xml is present - **[PASS]** sitemap.xml is valid XML - **[PASS]** sitemap.xml contains 31 entries - **[PASS]** Sitemap index with 31 child sitemaps - **[INFO]** robots.txt does not reference a sitemap — Add a 'Sitemap:' directive to robots.txt so search engines can discover your 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) *teamviewer.com — via RegistryGate GmbH, 21 years, 10 months old* - **[PASS]** Domain registered until Sep 21, 2026 (5 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: RegistryGate GmbH - **[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. --- ## 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) *5 trackers detected* - **[INFO]** 5 third-party trackers detected — Found 4 analytics, 0 advertising, 0 marketing, 1 tag manager trackers. - **[WARNING]** Trackers detected but no cookie policy found — This page loads 5 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 · 5 trackers · 0 pre-consent* - **[INFO]** 5 third-party tracker(s) detected on page --- ## Legal ### Legal Page Ecosystem (F — 0/100) *0 of 7 expected legal pages detected* - **[WARNING]** Privacy Policy not detected — No link matching common Privacy Policy URL patterns or link text was found. Most websites are expected to have a Privacy Policy, especially those collecting user data. - **[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 *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 (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. - **[INFO]** HIPAA indicators detected (weak confidence) — Indicators suggesting HIPAA may be relevant: Text mentions: hipaa. Health Insurance Portability and Accountability Act — protects sensitive patient health information. ### 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: Security (1). Each of these services receives some user data from your site visitors. - **[INFO]** reCAPTCHA (Security) — Detected via script URL. Typically collects: Browser behavior, Device info, IP address. Privacy policy: https://policies.google.com/privacy. Data Processing Agreement available. ### Compliance Badges (B — 70/100) *2 compliance badge(s) detected* - **[PASS]** SOC 2 badge detected — Found via body text: 'soc 2'. Note: the presence of a badge does not verify the certification is current or valid. - **[PASS]** ISO 27001 badge detected — Found via body text: 'iso/iec 27001'. 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 (B — 75/100) *6 landmarks* - **[PASS]**
landmark present - **[PASS]** 3