# BeaverCheck Audit Report — https://nextdoor.com **Date:** April 21, 2026 **URL:** https://nextdoor.com **Overall Grade:** C (74/100) **Report:** https://beavercheck.com/results/b3fae549-90b4-4d3c-a95d-13475f79f1b1 ## Top Findings 1. **[CRITICAL]** Cookie 'ADID' is missing the Secure flag — Security > Cookie Security 2. **[CRITICAL]** Page weighs 12.0 MB (4.1 MB transferred) — Performance > Page Weight Budget 3. **[CRITICAL]** 1 link(s) with no accessible text — Accessibility > Link & Button Quality 4. **[WARNING]** 80 third-party resources (99% of weight) — Performance > Page Weight Inventory 5. **[WARNING]** Cookie 'ADID' has no SameSite attribute — Security > Cookie Security --- ## Lighthouse Scores | Category | Score | |----------|-------| | Performance | 15 | | Accessibility | 100 | | Best Practices | 73 | | SEO | 100 | --- ## Security ### Security Headers (C — 65/100) *6 of 10 headers properly configured* - **[WARNING]** HSTS max-age is too short (0s, should be ≥ 31536000s) — A short max-age leaves a window for downgrade attacks. Set max-age to at least 31536000 (1 year). - **[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 (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 309 days) - **[PASS]** Certificate chain has 3 certificates - **[PASS]** Certificate uses modern signature algorithm - **[PASS]** Certificate covers 3 domain(s) - **[PASS]** Certificate is issued by a trusted CA ### Cookie Security (C — 65/100) *4 cookies analyzed, 6 checks passed* - **[PASS]** Cookie 'csrftoken' has the Secure flag - **[WARNING]** Cookie 'csrftoken' is missing the HttpOnly flag — Without HttpOnly, this cookie can be accessed by JavaScript, making it vulnerable to XSS-based theft. - **[PASS]** Cookie 'csrftoken' has SameSite=Lax - **[PASS]** Cookie 'WE' has the Secure flag - **[WARNING]** Cookie 'WE' is missing the HttpOnly flag — Without HttpOnly, this cookie can be accessed by JavaScript, making it vulnerable to XSS-based theft. - **[PASS]** Cookie 'WE' has SameSite=Lax - **[PASS]** Cookie 'DAID' has the Secure flag - **[WARNING]** Cookie 'DAID' is missing the HttpOnly flag — Without HttpOnly, this cookie can be accessed by JavaScript, making it vulnerable to XSS-based theft. - **[PASS]** Cookie 'DAID' has SameSite=Lax - **[CRITICAL]** Cookie 'ADID' is missing the Secure flag — Without the Secure flag, this cookie can be sent over unencrypted HTTP, exposing it to interception. - **[WARNING]** Cookie 'ADID' is missing the HttpOnly flag — Without HttpOnly, this cookie can be accessed by JavaScript, making it vulnerable to XSS-based theft. - **[WARNING]** Cookie 'ADID' has no SameSite attribute — Without an explicit SameSite attribute, browser default behavior varies. Set SameSite=Lax or Strict. --- ## Advanced Security ### Subresource Integrity (F — 20/100) *0 of 26 external resources have SRI* - **[WARNING]** External script from s.yimg.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from cdn.branch.io lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from connect.facebook.net lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from connect.facebook.net lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from connect.facebook.net lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from bat.bing.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.googletagmanager.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from ads.nextdoor.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from sdk.privacy-center.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 d19rpgkrjeba2z.cloudfront.net lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from sdk.privacy-center.org lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from ads.nextdoor.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from www.datadoghq-browser-agent.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from googleads.g.doubleclick.net lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from bat.bing.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External link from accounts.google.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from d19rpgkrjeba2z.cloudfront.net lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from d19rpgkrjeba2z.cloudfront.net lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from d19rpgkrjeba2z.cloudfront.net lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from apis.google.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from appleid.cdn-apple.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from d19rpgkrjeba2z.cloudfront.net 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 accounts.google.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 — 0/100) *4.1 MB transferred, 91 requests* - **[CRITICAL]** Page weighs 12.0 MB (4.1 MB transferred) - **[WARNING]** JavaScript is 2.9 MB — consider code splitting or lazy loading — Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts. - **[WARNING]** Images are 1.1 MB — compress or use modern formats — Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size. - **[INFO]** 91 HTTP requests - **[INFO]** Estimated 0.87 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 (4.1 MiB of 4.1 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 (B — 75/100) *16 images, 0 KB saveable* - **[PASS]** All images are well-optimized ### JS Execution Cost (F — 20/100) *5648ms total JS execution* - **[WARNING]** https://d19rpgkrjeba2z.cloudfront.net/static/gen/s...: 2279ms CPU time - **[WARNING]** Unattributable: 539ms CPU time - **[WARNING]** https://www.googletagmanager.com/gtm.js?id=GTM-KQ8...: 453ms CPU time - **[WARNING]** https://d19rpgkrjeba2z.cloudfront.net/static/gen/s...: 370ms CPU time - **[WARNING]** https://nextdoor.com/: 359ms CPU time - **[WARNING]** Third-party scripts: 5290ms (94% of total) ### Font Loading (A+ — 100/100) *1 fonts (57 KB)* - **[INFO]** 1 font(s) use font-display: swap (FOUT risk but functional) ### JS Bundles (F — 20/100) *31 scripts, 1.5 MB unused* - **[WARNING]** https://d19rpgkrjeba2z.cloudfront.net/static/gen/s...: 459 KB unused (56%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://d19rpgkrjeba2z.cloudfront.net/static/gen/v...: 293 KB unused (100%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://d19rpgkrjeba2z.cloudfront.net/static/gen/v...: 188 KB unused (61%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://d19rpgkrjeba2z.cloudfront.net/static/gen/n...: 91 KB unused (35%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.googletagmanager.com/gtag/js?id=G-L2ES...: 86 KB unused (51%) — Consider code splitting or tree shaking to reduce unused code. - **[INFO]** Total unused JavaScript: 1.5 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) *12 hints, 0 missing preconnects* - **[PASS]** Page uses 12 resource hint(s) ### Page Weight Inventory (F — 15/100) *91 resources · 4.1 MB · 1.5 MB savings available* - **[WARNING]** Page weight 3.1 MB over 1MB target - **[INFO]** ~1.5 MB of savings available - **[WARNING]** 80 third-party resources (99% of weight) - **[INFO]** 5 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 (B — 85/100) *86 links checked, 83 healthy, 3 broken* - **[WARNING]** 83 of 86 links are healthy - **[WARNING]** Broken link: https://us1-photo.nextdoor.com — Found in . Returns HTTP 404. - **[WARNING]** Broken link: https://flask.us.nextdoor.com — Found in . Returns HTTP 404. - **[CRITICAL]** Broken link: https://nextdoor.com/self-service-advertising-terms-of-se... — Found in . Returns HTTP 401. ### 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:image — The og:image tag provides a preview image for social sharing. - **[INFO]** og:title is long (98 characters) — Titles over 60 characters may be truncated in social sharing previews. - **[INFO]** Missing og:url — The og:url tag specifies the canonical URL for the shared content. ### Structured Data (A+ — 100/100) *1 JSON-LD block(s) found — structured data is well configured.* --- ## Infrastructure ### DNS Records (A+ — 100/100) *4 A records, 82 ms lookup* - **[PASS]** Resolves to 4 IPv4 address(es) - **[INFO]** No IPv6 (AAAA) records - **[PASS]** 4 nameserver(s) configured - **[PASS]** 5 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: 82 ms ### Redirect Chain (A+ — 100/100) *No redirects — direct access* - **[PASS]** No redirects — direct access ### 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 (D — 40/100) *robots.txt present, no sitemap* - **[PASS]** robots.txt is present - **[CRITICAL]** robots.txt blocks all crawlers — Disallow: / for all user-agents prevents search engines from indexing any page. This will remove the site from search results. - **[INFO]** No sitemap.xml found — A sitemap helps search engines discover and index your pages more efficiently. - **[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) *nextdoor.com — via Amazon Registrar, Inc., 22 years, 6 months old, hosted on AWS* - **[PASS]** Domain registered until Feb 11, 2027 (9 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: Amazon Registrar, Inc. - **[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: AWS --- ## Compliance ### WCAG Compliance (A+ — 100/100) *No testable criteria* ### Cookie Consent & Privacy (A+ — 100/100) *Didomi detected, privacy policy found* - **[PASS]** Privacy policy link found - **[PASS]** Terms of service link found - **[PASS]** Consent banner detected (Didomi) - **[PASS]** 4 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 (B — 80/100) *10 trackers detected* - **[INFO]** 10 third-party trackers detected — Found 6 analytics, 2 advertising, 1 marketing, 1 tag manager trackers. - **[WARNING]** 2 advertising/retargeting trackers detected — Advertising trackers collect user data for ad targeting. Under GDPR, these typically require explicit consent. ### Cookie & Tracker Inventory (A+ — 100/100) *4 cookies · 10 trackers · 0 pre-consent* - **[INFO]** 4 cookie(s) could not be classified - **[INFO]** 10 third-party tracker(s) detected on page --- ## Legal ### Legal Page Ecosystem (D — 45/100) *2 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. - **[PASS]** Cookie Policy detected — Found at /cookie_policy. - **[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 (moderate confidence) — Indicators suggesting GDPR may be relevant: Privacy policy page found. EU General Data Protection Regulation — governs collection and processing of personal data of EU residents. ### Third-Party Data Sharing *3 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]** 3 third-party services across 3 categories — 3 third-party services detected across 3 categories: Analytics (1), Tag Management (1), Advertising (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]** Facebook Pixel (Advertising) — Detected via script URL. Typically collects: Page views, Conversions, User behavior, Ad targeting. Privacy policy: https://www.facebook.com/privacy/policy. 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 (A — 85/100) *AWS CloudFront (Miss from cloudfront)* - **[PASS]** Site is served via AWS CloudFront CDN (edge: CDG50-P6) - **[INFO]** CDN cache status: Miss from cloudfront ### HTTP Caching (D — 40/100) *no-store (uncacheable)* - **[INFO]** Cache-Control: no-store prevents all caching — Intentional for dynamic content, but increases server load for every page view. - **[INFO]** No ETag or Last-Modified header — Conditional requests (304 Not Modified) are not possible without validators. ### 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: 0 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 (B — 80/100) *1 landmarks* - **[PASS]**
landmark present - **[WARNING]** No