# BeaverCheck Audit Report — https://onlamp.com **Date:** April 21, 2026 **URL:** https://onlamp.com **Overall Grade:** C (70/100) **Report:** https://beavercheck.com/results/16d198d3-849c-446c-b0ee-dd745e803e92 ## Top Findings 1. **[CRITICAL]** Content-Security-Policy header is missing — Security > Security Headers 2. **[CRITICAL]** HSTS header is missing — Security > Security Headers 3. **[CRITICAL]** No Content-Security-Policy header found — Security > Content Security Policy 4. **[CRITICAL]** 1 control(s) without accessible label — Accessibility > Form Accessibility 5. **[CRITICAL]** 1 image(s) missing alt attribute — Accessibility > Alt Text Quality --- ## Lighthouse Scores | Category | Score | |----------|-------| | Performance | 35 | | Accessibility | 89 | | Best Practices | 81 | | SEO | 92 | --- ## Security ### Security Headers (F — 10/100) *2 of 10 headers properly configured* - **[CRITICAL]** HSTS header is missing — Strict-Transport-Security forces browsers to use HTTPS, preventing downgrade attacks. Add the header with a max-age of at least 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 present without version info ### 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 75 days) - **[PASS]** Certificate chain has 2 certificates - **[PASS]** Certificate uses modern signature algorithm - **[PASS]** Certificate covers 62 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 22 external resources have SRI* - **[WARNING]** External link from www.oreilly.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from pi.pardot.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from pi.pardot.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from d.line-scdn.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 utt.impactcdn.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from www.redditstatic.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from snap.licdn.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from j.6sc.co 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 cdn.cookielaw.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 www.oreilly.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from www.oreilly.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 link from www.oreilly.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from cdn.oreillystatic.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from www.oreilly.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from www.oreilly.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from cdn.oreillystatic.com 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. ### 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 (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 — 1/100) *3.9 MB transferred, 136 requests* - **[WARNING]** Page weighs 9.6 MB (3.9 MB transferred) - **[WARNING]** JavaScript is 2.1 MB — consider code splitting or lazy loading — Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts. - **[INFO]** Fonts are 397 KB — consider subsetting or using system fonts — Subset fonts to include only used characters, or switch to system font stacks. - **[WARNING]** 136 HTTP requests — consider bundling or reducing — Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests. - **[INFO]** Estimated 0.82 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 (3.9 MiB of 3.9 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) *55 images, 0 KB saveable* - **[WARNING]** https://cdn.oreillystatic.com/oreilly/images/app-s... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://cdn.oreillystatic.com/oreilly/images/amazo... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://cdn.oreillystatic.com/oreilly/images/googl... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://cdn.oreillystatic.com/oreilly/images/roku-... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://cdn.oreillystatic.com/images/sitewide-head... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. ### JS Execution Cost (F — 20/100) *8470ms total JS execution* - **[WARNING]** Unattributable: 1707ms CPU time - **[WARNING]** https://www.oreilly.com/KxXuCyduA3/oq/qtiMwY_O/X0r...: 1463ms CPU time - **[WARNING]** https://www.oreilly.com/radar/: 1062ms CPU time - **[WARNING]** https://www.oreilly.com/KxXuCyduA3/oq/qtiMwY_O/uXr...: 1047ms CPU time - **[WARNING]** https://www.googletagmanager.com/gtm.js?id=GTM-5P4...: 686ms CPU time - **[WARNING]** Third-party scripts: 8470ms (100% of total) ### Font Loading (A+ — 100/100) *9 fonts (397 KB)* - **[INFO]** 9 font(s) use font-display: swap (FOUT risk but functional) ### JS Bundles (D — 40/100) *34 scripts, 436 KB unused* - **[WARNING]** https://www.googletagmanager.com/gtm.js?id=GTM-5P4...: 73 KB unused (43%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.googletagmanager.com/gtag/js?id=G-092E...: 66 KB unused (39%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://cdn.cookielaw.org/scripttemplates/202408.1...: 63 KB unused (57%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://js.qualified.com/qualified.js?token=pjWpuK...: 57 KB unused (49%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://js.qualified.com/packs/js/multimodal_v2-3f...: 50 KB unused (52%) — Consider code splitting or tree shaking to reduce unused code. - **[INFO]** Total unused JavaScript: 436 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 (F — 35/100) *136 resources · 3.9 MB · 436 KB savings available* - **[WARNING]** Page weight 2.9 MB over 1MB target - **[INFO]** ~436 KB of savings available - **[WARNING]** 135 third-party resources (100% of weight) - **[INFO]** 3 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, 165 healthy, 35 broken* - **[CRITICAL]** 165 of 200 links are healthy - **[CRITICAL]** Broken link: https://onlamp.com/search/skills/google-cloud/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/search/skills/sql/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/search/skills/nosql-databases/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/search/skills/data-engineering/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/search/topics/pandas/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/search/skills/mlops/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/search/skills/java/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/search/skills/spring/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/search/skills/go/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/search/skills/c/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/search/skills/rust/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/search/topics/github/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/search/topics/terraform/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/search/topics/database-administration/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/search/topics/computer-networking/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/search/skills/it-operations/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/search/skills/incident-response/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/search/skills/zero-trust-model/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/search/skills/security-engineering/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/search/skills/graphic-design/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/search/skills/marketing/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/search/skills/human-resources/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/search/skills/business-strategy/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/search/skills/organizational-leadership/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/search/skills/critical-thinking/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/search/skills/public-speaking/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/search/skills/confidence-motivation/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/online-learning/features.html — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/online-learning/academies.html — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/online-learning/courses.html — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/online-learning/feature-certification.... — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/online-learning/feature-answers.html — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/radar/topics/ai-ml/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/radar/topics/business/ — Found in . Returns HTTP 403. - **[CRITICAL]** Broken link: https://onlamp.com/radar/topics/innovation-and-disruption/ — Found in . Returns HTTP 403. ### 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 — 85/100) *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]** og:title is short (16 characters) — Ideal length is 25–60 characters for social sharing previews. - **[INFO]** Missing twitter:card — Without twitter:card, Twitter falls back to Open Graph tags. Adding it gives you more control. ### Structured Data (A+ — 100/100) *2 JSON-LD block(s) found — structured data is well configured.* - **[PASS]** Custom type "ItemList" — unable to validate specific properties - **[PASS]** 2 JSON-LD blocks found --- ## Infrastructure ### DNS Records (A — 90/100) *1 A records, 13 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]** 6 nameserver(s) configured - **[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: 13 ms ### Redirect Chain (A — 90/100) *1 redirect(s), 532 ms total* - **[PASS]** Single redirect - **[INFO]** WWW normalization redirect - **[INFO]** Redirect overhead: 532 ms total - **[INFO]** Cross-domain redirect detected ### 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 (A+ — 100/100) *robots.txt present, sitemap with 5 URLs* - **[PASS]** robots.txt is present - **[PASS]** sitemap.xml is present - **[PASS]** sitemap.xml is valid XML - **[PASS]** sitemap.xml contains 5 entries - **[PASS]** Sitemap index with 5 child sitemaps - **[PASS]** robots.txt references sitemap ### URL Variants (A+ — 100/100) *www/non-www, trailing slash, HTTP→HTTPS* - **[PASS]** HTTP correctly 301-redirects to HTTPS ### Domain Intelligence (A+ — 100/100) *onlamp.com — via GoDaddy.com, LLC, 25 years, 8 months old, hosted on Google Cloud* - **[PASS]** Domain registered until Dec 15, 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: GoDaddy.com, LLC - **[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: Google Cloud --- ## 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) *8 trackers detected* - **[INFO]** 8 third-party trackers detected — Found 4 analytics, 0 advertising, 2 marketing, 1 tag manager trackers. - **[WARNING]** Trackers detected but no cookie policy found — This page loads 8 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 · 8 trackers · 0 pre-consent* - **[INFO]** 8 third-party tracker(s) detected on page --- ## Legal ### Legal Page Ecosystem (C — 60/100) *2 of 7 expected legal pages detected* - **[PASS]** Privacy Policy detected — Found at http://oreilly.com/oreilly/privacy.html. - **[PASS]** Terms of Service detected — Found at https://www.oreilly.com/terms/, linked from footer. - **[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 *3 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]** CCPA indicators detected (strong confidence) — Indicators suggesting CCPA may be relevant: Text mentions: do not sell; Link text: Do not sell or share my personal information. California Consumer Privacy Act — gives California residents rights over their personal data. - **[INFO]** HIPAA indicators detected (weak confidence) — Indicators suggesting HIPAA may be relevant: Text mentions: phi. Health Insurance Portability and Accountability Act — protects sensitive patient health information. ### 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 3 categories — 4 third-party services detected across 3 categories: Analytics (1), Tag Management (1), Advertising (2). 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. - **[INFO]** LinkedIn Insight (Advertising) — Detected via script URL. Typically collects: Page views, Conversions, Ad targeting, Professional demographics. Privacy policy: https://www.linkedin.com/legal/privacy-policy. 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 (A — 90/100) *max-age=2592000 (4 weeks)* - **[PASS]** Cache-Control header is set - **[PASS]** Effective TTL: 4 weeks (max-age=2592000) - **[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]** Missing Strict-Transport-Security header — HSTS tells browsers to only use HTTPS, preventing SSL stripping attacks. - **[PASS]** TLS 1.3 in use (fastest handshake, 1-RTT) --- ## Accessibility ### Landmark Structure (A — 90/100) *47 landmarks* - **[PASS]**
landmark present - **[PASS]** 4