# BeaverCheck Audit Report — https://www.backblaze.com **Date:** April 7, 2026 **URL:** https://www.backblaze.com **Overall Grade:** C (73/100) **Report:** https://beavercheck.com/results/0a0204c0-7f1c-504c-d9b7-8b61e13d8fe9 ## Top Findings 1. **[CRITICAL]** Cookie '_cheq_rti' is missing the Secure flag — Security > Cookie Security 2. **[CRITICAL]** Page weighs 10.7 MB (5.2 MB transferred) — Performance > Page Weight Budget 3. **[CRITICAL]** 18 image-only link(s) without alt text — Accessibility > Link & Button Quality 4. **[CRITICAL]** No
landmark found — Accessibility > Landmark Structure 5. **[WARNING]** is missing width/height — may cause layout shift — Performance > Image Optimization --- ## Lighthouse Scores | Category | Score | |----------|-------| | Performance | 28 | | Accessibility | 96 | | Best Practices | 100 | | SEO | 85 | --- ## Security ### Security Headers (D — 45/100) *4 of 10 headers properly configured* - **[WARNING]** HSTS max-age is too short (2592000s, 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'. - **[PASS]** X-Frame-Options is properly configured - **[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. - **[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 (B — 70/100) *2 of 10 CSP checks passed* - **[INFO]** Raw CSP policy - **[WARNING]** default-src directive is missing — default-src provides a fallback for other directives. Set it to restrict default resource loading. - **[INFO]** No script-src or default-src to check for 'unsafe-inline' - **[INFO]** No script-src or default-src to check for 'unsafe-eval' - **[INFO]** No script-src or default-src to check for wildcard - **[PASS]** object-src falls back to default-src - **[WARNING]** base-uri directive is missing — Without base-uri, attackers can inject a tag to hijack relative URLs. Set it to 'self' or 'none'. - **[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 65 days) - **[PASS]** Certificate chain has 3 certificates - **[PASS]** Certificate uses modern signature algorithm - **[PASS]** Certificate covers 4 domain(s) - **[PASS]** Certificate is issued by a trusted CA ### Cookie Security (B — 75/100) *2 cookies analyzed, 3 checks passed* - **[PASS]** Cookie '_cfuvid' has the Secure flag - **[PASS]** Cookie '_cfuvid' has the HttpOnly flag - **[PASS]** Cookie '_cfuvid' has SameSite=None - **[CRITICAL]** Cookie '_cheq_rti' is missing the Secure flag — Without the Secure flag, this cookie can be sent over unencrypted HTTP, exposing it to interception. - **[WARNING]** Cookie '_cheq_rti' is missing the HttpOnly flag — Without HttpOnly, this cookie can be accessed by JavaScript, making it vulnerable to XSS-based theft. - **[WARNING]** Cookie '_cheq_rti' has no SameSite attribute — Without an explicit SameSite attribute, browser default behavior varies. Set SameSite=Lax or Strict. --- ## Advanced Security ### Subresource Integrity (D — 40/100) *5 of 19 external resources have SRI* - **[PASS]** link from cdn.prod.website-files.com has SRI protection - **[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. - **[PASS]** script from www.gstatic.com has SRI protection - **[WARNING]** External script from ajax.googleapis.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External link from fonts.googleapis.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 ajax.googleapis.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from cdnjs.cloudflare.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from cdnjs.cloudflare.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 js.qualified.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 obs.df1.backblaze.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[PASS]** script from d3e54v103j8qbb.cloudfront.net has SRI protection - **[PASS]** script from cdn.prod.website-files.com has SRI protection - **[PASS]** script from cdn.prod.website-files.com has SRI protection - **[WARNING]** External script from ob.df1.backblaze.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from cdn.schemaapp.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) *5.2 MB transferred, 87 requests* - **[CRITICAL]** Page weighs 10.7 MB (5.2 MB transferred) - **[WARNING]** JavaScript is 2.6 MB — consider code splitting or lazy loading — Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts. - **[INFO]** Fonts are 1.1 MB — consider subsetting or using system fonts — Subset fonts to include only used characters, or switch to system font stacks. - **[INFO]** 87 HTTP requests - **[INFO]** Estimated 1.1 g CO2 per page load ### Third-Party Impact (D — 50/100) *99% third-party, 0 ms blocking* - **[WARNING]** Third-party code accounts for 99% of page weight (5.1 MiB of 5.2 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) *21 images, 0 KB saveable* - **[WARNING]** https://cdn.prod.website-files.com/63d32de856f6323... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://cdn.prod.website-files.com/63d32de856f6323... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://cdn.prod.website-files.com/63d32de856f6323... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://cdn.prod.website-files.com/63d32de856f6323... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://cdn.prod.website-files.com/63d32de856f6323... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://cdn.prod.website-files.com/63d32de856f6323... 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. ### JS Execution Cost (F — 20/100) *6142ms total JS execution* - **[WARNING]** Unattributable: 1202ms CPU time - **[WARNING]** https://ob.df1.backblaze.com/i/97c5d149fbecccd7dc7...: 824ms CPU time - **[WARNING]** https://js.qualified.com/qualified.js?token=zhPjbc...: 750ms CPU time - **[WARNING]** https://cdn.cookielaw.org/scripttemplates/202601.2...: 428ms CPU time - **[WARNING]** https://www.backblaze.com/: 416ms CPU time - **[WARNING]** Third-party scripts: 5726ms (93% of total) ### Font Loading (A+ — 100/100) *17 fonts (1101 KB)* - **[INFO]** 17 font(s) use font-display: swap (FOUT risk but functional) ### JS Bundles (F — 20/100) *20 scripts, 1.0 MB unused* - **[WARNING]** https://www.gstatic.com/recaptcha/releases/kUYUkUl...: 573 KB unused (67%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://js.qualified.com/qualified.js?token=zhPjbc...: 268 KB unused (73%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.googletagmanager.com/gtm.js?id=GTM-N9N...: 77 KB unused (45%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://cdn.cookielaw.org/scripttemplates/202601.2...: 68 KB unused (53%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.googletagmanager.com/gtag/js?id=G-KKNK...: 67 KB unused (40%) — Consider code splitting or tree shaking to reduce unused code. - **[INFO]** Total unused JavaScript: 1.0 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) *3 hints, 0 missing preconnects* - **[PASS]** Page uses 3 resource hint(s) ### 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 — 90/100) *122 links checked, 120 healthy, 2 broken* - **[WARNING]** 120 of 122 links are healthy - **[WARNING]** Broken link: https://fonts.googleapis.com — Found in . Returns HTTP 404. - **[WARNING]** Broken link: https://fonts.gstatic.com — 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 (A — 90/100) *Open Graph tags are well configured for social sharing.* - **[INFO]** Missing og:url — The og:url tag specifies the canonical URL for the shared content. - **[INFO]** Missing og:site_name — The og:site_name tag displays the website name in social previews. ### Structured Data (C — 75/100) *1 JSON-LD block(s) found — some improvements recommended.* - **[CRITICAL]** Malformed JSON-LD block #1 — JSON parse error: Mismatch type map[string]interface {} with value array "at index 0: mismatched type with value\n\n\t[{\"@context\":\"http://schema.org\"\n\t^...............................\n" --- ## Infrastructure ### DNS Records (A — 90/100) *2 A records, 8 ms lookup* - **[PASS]** Resolves to 2 IPv4 address(es) - **[PASS]** Has 2 IPv6 (AAAA) record(s) - **[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: 8 ms ### Redirect Chain (A+ — 100/100) *No redirects — direct access* - **[PASS]** No redirects — direct access ### IPv6 Readiness (F — 30/100) *IPv6 records exist but unreachable* - **[WARNING]** IPv6 DNS records exist but server is not reachable — Having AAAA records but an unreachable server is worse than no AAAA — clients may experience delays before falling back to IPv4. - **[INFO]** IPv6 connection error ### Crawlability (A+ — 100/100) *robots.txt present, sitemap with 3677 URLs* - **[PASS]** robots.txt is present - **[PASS]** sitemap.xml is present - **[PASS]** sitemap.xml is valid XML - **[PASS]** sitemap.xml contains 3677 entries - **[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) *backblaze.com — via Cloudflare, Inc., 19 years, 3 months old, hosted on Cloudflare* - **[PASS]** Domain registered until Apr 2, 2027 (1 years remaining) - **[PASS]** DNSSEC is enabled - **[PASS]** Registrar: Cloudflare, Inc. - **[PASS]** Hosting: Cloudflare --- ## 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 - **[PASS]** 2 cookie(s) set on initial load (functional) - **[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) *3 trackers detected* - **[INFO]** 3 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 3 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. --- ## Legal ### Legal Page Ecosystem (F — 35/100) *1 of 7 expected legal pages detected* - **[PASS]** Privacy Policy detected — Found at https://www.backblaze.com/company/policy/privacy, linked from footer. - **[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 About Us Newsroom Investor Relations Careers Terms* - **[PASS]** Copyright notice is up to date — Copyright notice is up to date: © 2026 About Us Newsroom Investor Relations Careers Terms - **[PASS]** Copyright holder: About Us Newsroom Investor Relations Careers Terms ### 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; Text mentions: data protection; Privacy policy page found. EU General Data Protection Regulation — governs collection and processing of personal data of EU residents. ### Third-Party Data Sharing *4 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]** 4 third-party services across 4 categories — 4 third-party services detected across 4 categories: Analytics (1), Tag Management (1), CDN (1), Security (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. - **[INFO]** Cloudflare (CDN) — Detected via script URL. Typically collects: IP address (transient), Request metadata. Privacy policy: https://www.cloudflare.com/privacypolicy/. Data Processing Agreement available. - **[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 (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 — 85/100) *Cloudflare (MISS)* - **[PASS]** Site is served via Cloudflare CDN (edge: SJC) - **[INFO]** CDN cache status: MISS ### HTTP Caching (A+ — 95/100) *max-age=14400 (4 hours)* - **[PASS]** Cache-Control header is set - **[PASS]** Effective TTL: 4 hours (max-age=14400) - **[PASS]** Last-Modified header present ### Transport Security (A — 85/100) *HTTP/3, HSTS, and TLS version analysis* - **[PASS]** HTTP/3 (QUIC) supported — The server advertises HTTP/3 via Alt-Svc for faster connections on mobile networks. - **[WARNING]** HSTS max-age is short: 30 days — HSTS max-age should be at least 1 year (31536000 seconds). - **[INFO]** HSTS missing includeSubDomains — Without includeSubDomains, HSTS only protects the exact domain. - **[PASS]** TLS 1.3 in use (fastest handshake, 1-RTT) --- ## Accessibility ### Landmark Structure (D — 45/100) *10 landmarks* - **[CRITICAL]** No
landmark found — Screen reader users cannot quickly navigate to the primary content. Wrap your main content in
. - **[PASS]** 9