# BeaverCheck Audit Report — https://ufmg.br **Date:** April 22, 2026 **URL:** https://ufmg.br **Overall Grade:** D (69/100) **Report:** https://beavercheck.com/results/2157c5bb-a06c-46e3-815c-beb8d44bcbf8 ## 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 11.4 MB (10.7 MB transferred) — Performance > Page Weight Budget 4. **[CRITICAL]** 1 control(s) without accessible label — Accessibility > Form Accessibility 5. **[CRITICAL]** 3 button(s) with no accessible text — Accessibility > Link & Button Quality --- ## Lighthouse Scores | Category | Score | |----------|-------| | Performance | 58 | | Accessibility | 93 | | Best Practices | 96 | | SEO | 92 | --- ## Security ### Security Headers (F — 20/100) *2 of 10 headers properly configured* - **[WARNING]** HSTS max-age is too short (15724800s, should be ≥ 31536000s) — A short max-age leaves a window for downgrade attacks. Set max-age to at least 31536000 (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 not present ### 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 67 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 18 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 www.googletagmanager.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from www.ufmg.br lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External link from www.ufmg.br lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External link from www.ufmg.br lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External link from www.ufmg.br lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from www.ufmg.br lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External link from cdn.jsdelivr.net lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External link from cdn.jsdelivr.net lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from cdn.jsdelivr.net lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from www.ufmg.br lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from www.ufmg.br lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from www.ufmg.br lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from www.ufmg.br lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from www.ufmg.br lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from www.ufmg.br lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from www.ufmg.br lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from www.ufmg.br 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 (D — 50/100) *DMARC: none* - **[WARNING]** DMARC policy is none — monitoring only — This only monitors, it doesn't block spoofed emails. Change to p=quarantine or p=reject. ### 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) *10.7 MB transferred, 47 requests* - **[CRITICAL]** Page weighs 11.4 MB (10.7 MB transferred) - **[WARNING]** Images are 9.7 MB — compress or use modern formats — Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size. - **[INFO]** Fonts are 384 KB — consider subsetting or using system fonts — Subset fonts to include only used characters, or switch to system font stacks. - **[PASS]** 47 HTTP requests - **[INFO]** Estimated 2.3 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 (10.7 MiB of 10.7 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 — 65/100) *21 images, 0 KB saveable* - **[WARNING]** https://www.ufmg.br//app/themes/portal-ufmg/assets... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.ufmg.br//app/themes/portal-ufmg/assets... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. ### JS Execution Cost (D — 40/100) *3082ms total JS execution* - **[WARNING]** https://www.ufmg.br/: 1732ms CPU time - **[WARNING]** Unattributable: 376ms CPU time - **[WARNING]** https://www.googletagmanager.com/gtag/js?id=G-0MLC...: 349ms CPU time - **[INFO]** https://cdn.jsdelivr.net/npm/swiper@12/swiper-bund...: 236ms CPU time - **[INFO]** https://www.googletagmanager.com/gtm.js?id=GTM-NH7...: 225ms CPU time - **[WARNING]** Third-party scripts: 3082ms (100% of total) ### Font Loading (A+ — 100/100) *4 fonts (384 KB)* - **[INFO]** 4 font(s) use font-display: swap (FOUT risk but functional) ### JS Bundles (C — 60/100) *13 scripts, 157 KB unused* - **[WARNING]** https://www.googletagmanager.com/gtag/js?id=G-0MLC...: 66 KB unused (41%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.googletagmanager.com/gtm.js?id=GTM-NH7...: 65 KB unused (50%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://cdn.jsdelivr.net/npm/swiper@12/swiper-bund...: 27 KB unused (61%) — Consider code splitting or tree shaking to reduce unused code. - **[INFO]** Total unused JavaScript: 157 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) *1 hints, 0 missing preconnects* - **[PASS]** Page uses 1 resource hint(s) ### Page Weight Inventory (D — 45/100) *47 resources · 10.7 MB · 157 KB savings available* - **[WARNING]** Page weight 9.7 MB over 1MB target - **[INFO]** ~157 KB of savings available - **[WARNING]** 46 third-party resources (100% of weight) - **[INFO]** 10 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 (F — 40/100) *200 links checked, 187 healthy, 13 broken* - **[CRITICAL]** 187 of 200 links are healthy - **[CRITICAL]** Broken link: https://www.ufmg.br/cult/museus-e-espacos-culturais/ — Found in . Get "https://www.ufmg.br/cult/museus-e-espacos-culturais/": context deadline exceeded - **[CRITICAL]** Broken link: https://www.ufmg.br/cult/ — Found in . Get "https://www.ufmg.br/cult/": context deadline exceeded - **[CRITICAL]** Broken link: https://www.ufmg.br/cult/acoes-e-eventos-culturais/ — Found in . Get "https://www.ufmg.br/cult/acoes-e-eventos-culturais/": context deadline exceeded - **[CRITICAL]** Broken link: https://www.ufmg.br/cult/esporte-e-lazer/ — Found in . Get "https://www.ufmg.br/cult/esporte-e-lazer/": context deadline exceeded - **[CRITICAL]** Broken link: https://www.ufmg.br/comunicacao/ — Found in . Get "https://www.ufmg.br/comunicacao/": context deadline exceeded - **[CRITICAL]** Broken link: https://www.ufmg.br/comunicacao/cedecom/ — Found in . Get "https://www.ufmg.br/comunicacao/cedecom/": context deadline exceeded - **[CRITICAL]** Broken link: https://www.instagram.com/ufmg/ — Found in . Returns HTTP 429. - **[CRITICAL]** Broken link: https://br.linkedin.com/school/ufmg/ — Found in . Returns HTTP 999. - **[WARNING]** Broken link: https://www.ufmg.br//app/uploads/2026/04/WhatsApp-Image-2... — Found in . Get "https://www.ufmg.br//app/uploads/2026/04/WhatsApp-Image-2026-04-02-at-19.28.28-266x192.jpeg": context deadline exceeded - **[CRITICAL]** Broken link: https://www.ufmg.br/comunicacao/tv-ufmg/videos/arte-e-cul... — Found in . Get "https://www.ufmg.br/comunicacao/tv-ufmg/videos/arte-e-cultura/cultura-movimenta-4-arte-urbana-identidade-e-territorio/": context deadline exceeded - **[WARNING]** Broken link: https://www.ufmg.br//app/uploads/2026/03/THUMB-YT_EP04-26... — Found in . Get "https://www.ufmg.br//app/uploads/2026/03/THUMB-YT_EP04-266x192.jpg": context deadline exceeded - **[CRITICAL]** Broken link: https://www.ufmg.br/comunicacao/tv-ufmg — Found in . Get "https://www.ufmg.br/comunicacao/tv-ufmg": context deadline exceeded - **[WARNING]** Broken link: https://www3.ufmg.br/streamingradioaovivo/aovivo.opus — Found in . Returns HTTP 404. ### 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 (A — 85/100) *1 A records, 17022 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 - **[WARNING]** DNS resolution is slow (17022 ms) — Slow DNS adds latency to every page load. Consider a faster DNS provider. ### Redirect Chain (B — 70/100) *1 redirect(s), 1134 ms total* - **[PASS]** Single redirect - **[INFO]** WWW normalization redirect - **[WARNING]** Redirect overhead: 1134 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 (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 (A+ — 100/100) *ufmg.br — 30 years, 8 months old, hosted on UNIVERSIDADE FEDERAL DE MINAS GERAIS, BR* - **[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. - **[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: UNIVERSIDADE FEDERAL DE MINAS GERAIS, BR --- ## 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 — 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) *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 (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 (A+ — 100/100) *© 2026 Universidade Federal de Minas Gerais* - **[PASS]** Copyright notice is up to date — Copyright notice is up to date: © 2026 Universidade Federal de Minas Gerais - **[PASS]** Copyright holder: Universidade Federal de Minas Gerais ### Regulatory Indicators *0 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]** No specific regulatory indicators detected — No strong signals for GDPR, CCPA, ADA, PCI, HIPAA, or COPPA were found. This does not mean these regulations don't apply — it means we didn't detect common technical indicators. ### Third-Party Data Sharing *2 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]** 2 third-party services across 2 categories — 2 third-party services detected across 2 categories: Analytics (1), Tag Management (1). Each of these services receives some user data from your site visitors. - **[INFO]** Google Analytics (Analytics) — Detected via script URL. Typically collects: Page views, User behavior, Demographics, Device info, IP address. Privacy policy: https://policies.google.com/privacy. Data Processing Agreement available. - **[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 (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 (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]** HSTS max-age is short: 182 days — HSTS max-age should be at least 1 year (31536000 seconds). - **[PASS]** TLS 1.3 in use (fastest handshake, 1-RTT) --- ## Accessibility ### Landmark Structure (B — 75/100) *8 landmarks* - **[PASS]**
landmark present - **[PASS]** 5