# BeaverCheck Audit Report — https://nikkei.com **Date:** April 15, 2026 **URL:** https://nikkei.com **Overall Grade:** C (71/100) **Report:** https://beavercheck.com/results/b722cb8b-a9ba-457e-92a4-0e55f8898315 ## 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]** 13 image-only link(s) without alt text — Accessibility > Link & Button Quality 5. **[CRITICAL]** 6 link(s) with no accessible text — Accessibility > Link & Button Quality --- ## Lighthouse Scores | Category | Score | |----------|-------| | Performance | 45 | | Accessibility | 89 | | Best Practices | 81 | | SEO | 100 | --- ## Security ### Security Headers (F — 5/100) *1 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 - **[WARNING]** Server header reveals version information — The Server header discloses the software version, aiding attackers in targeting known vulnerabilities. Remove the version number. ### 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 221 days) - **[PASS]** Certificate chain has 3 certificates - **[PASS]** Certificate uses modern signature algorithm - **[PASS]** Certificate covers 1 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 6 external resources have SRI* - **[WARNING]** External script from nkispa.nikkei.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from nkispa.nikkei.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from cdn.speedcurve.com 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 partsa.nikkei.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 (A — 85/100) *DMARC: quarantine* - **[PASS]** DMARC policy is quarantine — good 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 — 37/100) *2.6 MB transferred, 144 requests* - **[WARNING]** Page weighs 4.9 MB (2.6 MB transferred) - **[WARNING]** Images are 1.9 MB — compress or use modern formats — Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size. - **[WARNING]** JavaScript is 644 KB — consider code splitting or lazy loading — Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts. - **[WARNING]** 144 HTTP requests — consider bundling or reducing — Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests. - **[INFO]** Estimated 0.55 g CO2 per page load ### Third-Party Impact (D — 50/100) *100% third-party, 0 ms blocking* - **[WARNING]** Third-party code accounts for 100% of page weight (2.6 MiB of 2.6 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) *93 images, 0 KB saveable* - **[WARNING]** https://www.nikkei.com/.resources/k-components/log... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.nikkei.com/.resources/k-components/ico... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.nikkei.com/.resources/k-components/ico... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://partsa.nikkei.com/parts/ds/images/topic/ba... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. - **[WARNING]** https://www.nikkei.com/.resources/k-components/ico... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS. ### JS Execution Cost (F — 20/100) *5428ms total JS execution* - **[WARNING]** https://www.nikkei.com/: 2170ms CPU time - **[WARNING]** Unattributable: 1102ms CPU time - **[WARNING]** https://www.googletagmanager.com/gtag/js?id=G-PXS8...: 620ms CPU time - **[WARNING]** https://www.nikkei.com/.resources/k2-top/main.rev-...: 454ms CPU time - **[WARNING]** https://www.nikkei.com/.resources/tracking/static/...: 370ms CPU time - **[WARNING]** Third-party scripts: 5428ms (100% of total) ### Font Loading (A+ — 100/100) *No web fonts (system fonts)* - **[PASS]** No web fonts loaded — system fonts are fastest ### JS Bundles (C — 60/100) *23 scripts, 183 KB unused* - **[WARNING]** https://www.googletagmanager.com/gtag/js?id=AW-102...: 55 KB unused (38%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.googletagmanager.com/gtag/js?id=G-PXS8...: 55 KB unused (32%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://www.nikkei.com/.resources/k2-top/main.rev-...: 40 KB unused (38%) — Consider code splitting or tree shaking to reduce unused code. - **[WARNING]** https://connect.facebook.net/en_US/fbevents.js: 32 KB unused (34%) — Consider code splitting or tree shaking to reduce unused code. - **[INFO]** Total unused JavaScript: 183 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) *19 hints, 0 missing preconnects* - **[PASS]** Page uses 19 resource hint(s) ### Page Weight Inventory (D — 45/100) *144 resources · 2.6 MB · 183 KB savings available* - **[WARNING]** Page weight 1.6 MB over 1MB target - **[INFO]** ~183 KB of savings available - **[WARNING]** 143 third-party resources (100% of weight) - **[INFO]** 2 resources over 200KB ### Render-Blocking Resources (A+ — 100/100) *No render-blocking resources detected* - **[PASS]** No render-blocking resources detected in ### Third-Party Resources (A+ — 100/100) *No third-party resources detected* --- ## Content Quality ### Links (A+ — 100/100) *200 links checked, 200 healthy, 0 broken* - **[PASS]** 200 of 200 links are healthy ### Mixed Content (A+ — 100/100) *No mixed content detected — all resources use HTTPS.* - **[PASS]** No mixed content detected — all resources use HTTPS ### Open Graph (A — 90/100) *Open Graph tags are well configured for social sharing.* - **[CRITICAL]** og:image is not reachable — The og:image URL could not be fetched. Social platforms won't be able to display it. - **[INFO]** og:title is short (21 characters) — Ideal length is 25–60 characters for social sharing 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\":\"https://schema.org\n\t^...............................\n" --- ## Infrastructure ### DNS Records (A+ — 95/100) *2 A records, 184 ms lookup* - **[PASS]** Resolves to 2 IPv4 address(es) - **[PASS]** Has 2 IPv6 (AAAA) record(s) - **[PASS]** 5 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: 184 ms ### Redirect Chain (B — 70/100) *1 redirect(s), 1677 ms total* - **[PASS]** Single redirect - **[INFO]** WWW normalization redirect - **[INFO]** Uses 302 (temporary) redirect — If permanent, use 301 instead. - **[WARNING]** Redirect overhead: 1677 ms total ### IPv6 Readiness (A+ — 100/100) *IPv6 reachable (0 ms)* - **[PASS]** IPv6 is configured and reachable at 2600:9000:a615:e7f2:2ea1:cf50:5844:399f, 2600:9000:a717:b171:7f68:c620:6880:1f5a ### 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 (C — 65/100) *www/non-www, trailing slash, HTTP→HTTPS* - **[CRITICAL]** Both www and non-www versions serve content - **[WARNING]** HTTP→HTTPS redirect uses 302 instead of 301 ### Domain Intelligence (B — 70/100) *nikkei.com — via Japan Registry Services Co., Ltd., 31 years, 4 months old* - **[CRITICAL]** Domain expires in 24 days — This domain expires on May 10, 2026. Domains that expire accidentally cause complete website downtime. Enable auto-renewal or renew manually now. - **[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: Japan Registry Services Co., Ltd. - **[WARNING]** Registrar lock is NOT enabled — The domain can be transferred without an unlock step. Enable registrar lock (clientTransferProhibited) in your registrar's control panel to protect against unauthorized or accidental transfers. --- ## Compliance ### WCAG Compliance (A+ — 100/100) *No testable criteria* ### Cookie Consent & Privacy (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) *3 trackers detected* - **[INFO]** 3 third-party trackers detected — Found 3 analytics, 0 advertising, 0 marketing, 0 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. ### Cookie & Tracker Inventory (A+ — 100/100) *0 cookies · 3 trackers · 0 pre-consent* - **[INFO]** 3 third-party tracker(s) detected on page --- ## Legal ### Legal Page Ecosystem (F — 0/100) *0 of 7 expected legal pages detected* - **[WARNING]** Privacy Policy not detected — No link matching common Privacy Policy URL patterns or link text was found. Most websites are expected to have a Privacy Policy, especially those collecting user data. - **[WARNING]** Terms of Service not detected — No link matching common Terms of Service URL patterns or link text was found. Most websites are expected to have a Terms of Service, especially those collecting user data. - **[INFO]** Cookie Policy not detected — No link matching common Cookie Policy URL patterns or link text was found. Most websites are expected to have a Cookie Policy, especially those collecting user data. - **[INFO]** Accessibility Statement not detected — No link matching common Accessibility Statement URL patterns or link text was found. Most websites are expected to have a Accessibility Statement, especially those collecting user data. - **[INFO]** DMCA / Copyright Notice not detected — No link matching common DMCA / Copyright Notice URL patterns or link text was found. Most websites are expected to have a DMCA / Copyright Notice, especially those collecting user data. - **[INFO]** Refund / Returns Policy not detected — No link matching common Refund / Returns Policy URL patterns or link text was found. Most websites are expected to have a Refund / Returns Policy, especially those collecting user data. - **[INFO]** Acceptable Use Policy not detected — No link matching common Acceptable Use Policy URL patterns or link text was found. Most websites are expected to have a Acceptable Use Policy, especially those collecting user data. ### Copyright Notice (C — 55/100) *No copyright notice detected* - **[INFO]** No copyright notice detected — No copyright notice detected in the page content. While not legally required in most jurisdictions (copyright exists automatically), a notice is standard practice and signals site ownership. ### Regulatory Indicators *2 regulatory indicator(s) detected* - **[INFO]** This is a technical scan, not a legal assessment — BeaverCheck detects technical indicators that may suggest regulatory relevance. This is not a compliance audit and should not be relied upon for legal decisions. Consult qualified legal counsel for compliance assessments. - **[INFO]** GDPR indicators detected (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. - **[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 *1 third-party service(s) detected* - **[INFO]** Data inventory for transparency purposes — This inventory identifies third-party services that receive data from your site visitors. Under regulations like GDPR (Article 30), maintaining records of data processing activities is commonly considered a best practice. This automated scan provides a starting point — it may not capture all data flows. - **[INFO]** 1 third-party services across 1 categories — 1 third-party services detected across 1 categories: Advertising (1). Each of these services receives some user data from your site visitors. - **[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 (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]** 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 (B — 75/100) *7 landmarks* - **[PASS]**
landmark present - **[PASS]** 3