# BeaverCheck Audit Report — https://bestbuy.com

**Date:** June 11, 2026  
**URL:** https://bestbuy.com  
**Overall Grade:** C (79/100)  
**Report:** https://beavercheck.com/results/a41361fd-3b07-413a-8ed3-c36af0dc21df

## 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]** 3 image(s) missing alt attribute — Accessibility > Alt Text Quality
4. **[CRITICAL]** 3 image-in-link without alt text — Accessibility > Alt Text Quality
5. **[CRITICAL]** No <main> landmark found — Accessibility > Landmark Structure

---

## Lighthouse Scores

| Category | Score |
|----------|-------|
| Performance | 51 |
| Accessibility | 85 |
| Best Practices | 92 |
| SEO | 83 |

---

## Security

### Security Headers (F — 35/100)

*3 of 10 headers properly configured*

- **[WARNING]** HSTS is missing includeSubDomains — Without includeSubDomains, subdomains can still be accessed over HTTP.
- **[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.
- **[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
- **[INFO]** Domain is not in the Chrome HSTS preload list (status: unknown) — Submit your domain to hstspreload.org to close the trust-on-first-use gap. Requires a preload-ready HSTS header (max-age=31536000+, includeSubDomains, preload).

### 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, 8 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]** OCSP stapling enabled
- **[PASS]** Certificate is valid (expires in 245 days)
- **[PASS]** Certificate chain has 2 certificates
- **[PASS]** Certificate uses modern signature algorithm
- **[PASS]** Certificate covers 23 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

### Cookie Hygiene (A+ — 100/100)

*No cookies set -- cookie-hygiene check is N/A*

- **[PASS]** No cookies set

### WAF / Bot Protection (B — 75/100)

*No WAF detected via response headers*

- **[INFO]** No WAF detected — Response headers don't match any known WAF or bot-management product. Sites exposed to abuse (login, signup, payment) typically benefit from a WAF such as Cloudflare, Akamai, AWS WAF, or Imperva.

### security.txt (C — 60/100)

*No security.txt file found*

- **[INFO]** No security.txt file found — security.txt (RFC 9116) provides a standardized way for security researchers to report vulnerabilities. Create one at /.well-known/security.txt with at least a Contact field.

### Cross-Origin Tab Safety (A+ — 100/100)

*No new-tab links found -- no tabnabbing surface*

- **[PASS]** No new-tab links present

### CSP Inline-Style Readiness (A+ — 100/100)

*No inline style attributes -- strict CSP is feasible*

- **[PASS]** No inline style attributes detected

### Trusted Types (XSS Sink Hardening) (A+ — 100/100)

*No CSP header -- Trusted Types check is N/A*

- **[PASS]** No CSP header found -- Trusted Types check is N/A

### Bot Challenge Detection (A+ — 100/100)

*Scan reached real page content (no bot-protection interstitial)*

- **[PASS]** No bot-protection interstitial detected -- the rest of the report reflects the real page

### Soft-404 Detection (A+ — 100/100)

*HTTP status is non-2xx -- soft-404 check is N/A*

- **[PASS]** HTTP status is non-2xx -- soft-404 check is N/A

### Empty Page Detection (A+ — 100/100)

*Page has substantive body text and no placeholder / template-leak signals*

- **[PASS]** Page has substantive body text and no placeholder / template-leak signals

### Geo-Restriction Detection (A+ — 100/100)

*No geo-restriction signals detected -- scan reached the page from an allowed region*

- **[PASS]** No geo-restriction detected

### Maintenance Mode Detection (A+ — 100/100)

*No maintenance-mode signals detected -- scan reached a normal page*

- **[PASS]** No maintenance-mode signals detected

### Subresource Integrity Adoption (F — 30/100)

*0% SRI adoption (0/6 third-party resources)*

- **[WARNING]** SRI adoption: 0/6 third-party resources protected (0%) — Of 6 third-party `<script>` / `<link rel=stylesheet>` resources, 0 (0%) declare a Subresource Integrity hash via the `integrity=` attribute. SRI binds the page to the exact bytes of the third-party resource: if the CDN is compromised, attacker-modified bytes won't match the declared hash and the browser refuses to execute the resource.

Missing SRI on (first 5 examples):
  - https://www.bestbuy.com/~assets/bby/_intl/landing_page/css/app.css
  - https://www.bestbuy.com/~assets/bby/_intl/landing_page/js/zepto.min.js
  - https://www.bestbuy.com/~assets/bby/_intl/landing_page/js/app.min.js
  - https://www.bestbuy.com/~assets/bby/_com/cacheable-gvp-66138ea0147dd17ecdc9dc0ac1b86344.min.js
  - https://www.bestbuy.com/~assets/bby/_com/legacy-66138ea0147dd17ecdc9dc0ac1b86344.min.js

Fix: add `integrity="sha384-..."` and `crossorigin="anonymous"` attributes. Generators: srihash.org, or in-browser via `await crypto.subtle.digest('SHA-384', bytes)`. Cache-bust the resource URL when you change versions, since the integrity hash will mismatch with old cached bytes.

### CORS Depth (A+ — 100/100)

*No CORS response headers -- the resource is same-origin-only by browser default*

- **[PASS]** No CORS response headers -- the resource is same-origin-only by browser default

### Permissions-Policy Granularity (C — 60/100)

*No Permissions-Policy header set -- powerful features (camera / microphone / geolocation / payment / USB) default to allow-on-same-origin*

- **[WARNING]** Permissions-Policy header not set -- features default to allow-on-same-origin — Without a `Permissions-Policy` (or legacy `Feature-Policy`) header, every powerful browser feature defaults to its spec default policy (typically `self`). A third-party iframe injected via XSS or a misconfigured embed can still request access to the user's camera, microphone, geolocation, payment APIs, USB devices, etc. Explicitly deny features the page doesn't need:

```
Permissions-Policy: camera=(), microphone=(), geolocation=(), payment=(), usb=(), accelerometer=(), gyroscope=()
```

Features the page legitimately uses can stay enabled with `feature=(self)`.

### Referrer-Policy Strictness (B — 75/100)

*Referrer-Policy header not set -- browser default applies (modern: strict-origin-when-cross-origin; legacy browsers: no-referrer-when-downgrade)*

- **[INFO]** Referrer-Policy header not set -- browser default applies — Without an explicit `Referrer-Policy` header, the browser falls back to its default policy. Modern browsers (Chrome 85+, Firefox 87+, Safari 15+) default to `strict-origin-when-cross-origin`, which is privacy-safe. Legacy browsers default to the leaky `no-referrer-when-downgrade`, which sends the full URL (including path + query) on cross-origin HTTPS-to-HTTPS requests. Set an explicit header to ensure consistent behavior:

```
Referrer-Policy: strict-origin-when-cross-origin
```

This matches the modern browser default and is privacy-safe without breaking referrer-based same-origin analytics.

### Source Map Exposure (A+ — 100/100)

*Source-map probe didn't run on this scan*

- **[PASS]** Source-map probe didn't run on this scan

### HTML Version Disclosure (A+ — 100/100)

*No software-version disclosures in HTML*

- **[PASS]** No software-version disclosures in HTML

### Open Redirect Surface (A+ — 100/100)

*No redirect-shaped query parameters in DOM links*

- **[PASS]** No redirect-shaped query parameters in DOM links

### Auth Security (A+ — 100/100)

*Page is not a login form -- auth-security checks are N/A*

- **[PASS]** Page does not appear to be a login form

### Subdomain Inventory Exposure (A+ — 100/100)

*No risky subdomain names in certificate SANs*

- **[PASS]** No risky subdomain names in certificate SANs

---

## Advanced Security

### Subresource Integrity (F — 20/100)

*0 of 6 external resources have SRI*

- **[WARNING]** External link from www.bestbuy.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from www.bestbuy.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from www.bestbuy.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from www.bestbuy.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from www.bestbuy.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from assets.bbystatic.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 — 90/100)

*DMARC: reject, SPF: ~all, DKIM, BIMI*

- **[PASS]** DMARC policy is reject — strongest protection
- **[INFO]** SPF ends in ~all (soft fail) — Soft fail tells receivers to accept-but-mark unauthorized mail. Migrate to -all once you've confirmed all legitimate senders are listed (DMARC aggregate reports help verify).
- **[PASS]** DKIM configured (selectors: selector2)
- **[INFO]** MTA-STS not configured — MTA-STS forces inbound mail to use TLS, preventing downgrade attacks. Requires both a TXT record at _mta-sts.<domain> and a policy file at https://mta-sts.<domain>/.well-known/mta-sts.txt.
- **[INFO]** TLS-RPT not configured — TLS-RPT (RFC 8460) lets MTAs report TLS-handshake failures, so you can detect and fix MTA-STS misconfigurations. Add a TXT record at _smtp._tls.<domain>.
- **[PASS]** BIMI configured and DMARC enforced — logo will display

### API Surface (A+ — 100/100)

*No API specs or GraphQL introspection found (probed 11 candidate path(s))*

- **[PASS]** No API specs or GraphQL introspection found (probed 11 path(s))

### 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 (A — 89/100)

*888 KB transferred, 72 requests*

- **[PASS]** Page weighs 3.0 MB (888 KB transferred)
- **[WARNING]** JavaScript is 785 KB — consider code splitting or lazy loading — Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
- **[INFO]** 72 HTTP requests
- **[INFO]** Estimated 0.18 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 (888.3 KiB of 888.4 KiB)
- **[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)

*4 images, 0 KB saveable*

- **[WARNING]** https://www.bestbuy.com/~assets/bby/_intl/landing_... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS.
- **[WARNING]** https://www.bestbuy.com/~assets/bby/_intl/landing_... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS.
- **[WARNING]** https://www.bestbuy.com/~assets/bby/_intl/landing_... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS.
- **[WARNING]** https://www.bestbuy.com/~assets/bby/_com/header-fo... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS.

### JS Execution Cost (F — 20/100)

*6685ms total JS execution*

- **[WARNING]** https://www.bestbuy.com/-cJDnfjvk/Et/H6CugMg/Lm1Ep...: 2672ms CPU time
- **[WARNING]** https://www.bestbuy.com/-cJDnfjvk/Et/H6CugMg/QY1Ep...: 2012ms CPU time
- **[WARNING]** Unattributable: 1128ms CPU time
- **[WARNING]** https://www.bestbuy.com/: 301ms CPU time
- **[WARNING]** https://assets.bbystatic.com/analytics-dotcom/anal...: 297ms CPU time
- **[WARNING]** Third-party scripts: 5556ms (83% of total)

### Font Loading (A+ — 100/100)

*3 fonts (64 KB)*

- **[INFO]** 3 font(s) use font-display: swap (FOUT risk but functional)

### JS Bundles (D — 40/100)

*14 scripts, 316 KB unused*

- **[WARNING]** https://www.bestbuy.com/~assets/bby/_com/cacheable...: 117 KB unused (74%) — Consider code splitting or tree shaking to reduce unused code.
- **[WARNING]** https://assets.bbystatic.com/analytics-dotcom/anal...: 47 KB unused (55%) — Consider code splitting or tree shaking to reduce unused code.
- **[WARNING]** https://www.bestbuy.com/-cJDnfjvk/Et/H6CugMg/QY1Ep...: 36 KB unused (21%) — Consider code splitting or tree shaking to reduce unused code.
- **[WARNING]** https://www.bestbuy.com/-cJDnfjvk/Et/H6CugMg/QY1Ep...: 36 KB unused (21%) — Consider code splitting or tree shaking to reduce unused code.
- **[WARNING]** https://www.bestbuy.com/-cJDnfjvk/Et/H6CugMg/Lm1Ep...: 30 KB unused (21%) — Consider code splitting or tree shaking to reduce unused code.
- **[INFO]** Total unused JavaScript: 316 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)

*No optimization needed*

- **[PASS]** No resource hint issues

### HTTP/3 (QUIC) (B — 75/100)

*HTTP/3 not advertised*

- **[INFO]** HTTP/3 (QUIC) is not advertised — HTTP/3 isn't advertised via Alt-Svc and the worker didn't negotiate h3. HTTP/3 reduces handshake latency (1-RTT instead of 2-3 RTTs) and is more resilient on lossy connections. Most modern CDNs (Cloudflare, Fastly, AWS CloudFront, Google Cloud CDN) support HTTP/3 with a single config switch -- consider enabling for mobile-heavy workloads.

### Compression Algorithm (C — 70/100)

*Main response served uncompressed*

- **[INFO]** Main HTML response has no Content-Encoding (uncompressed) — The main HTML document is served without compression. The Text Compression section above lists the broader picture; for the main response specifically, even gzip would shave ~70-80% off most text payloads.

### LCP Image Preload (A+ — 100/100)

*LCP preload audit not available*

- **[PASS]** LCP image preload audit not available for this scan

### Main HTML Cache-Control (B — 80/100)

*No Cache-Control header on main HTML response*

- **[INFO]** Main HTML response has no Cache-Control header — Without an explicit Cache-Control, browsers fall back to heuristic caching (~10% of Last-Modified age). Set `Cache-Control: no-cache` or `max-age=300` for HTML to control freshness explicitly -- prevents stale auth state and SPA shell drift.

### Server-Timing Observability (B — 85/100)

*No Server-Timing header found*

- **[INFO]** No Server-Timing header found — Server-Timing exposes backend timing breakdowns to browser DevTools (e.g., `db: 45ms; render: 120ms; cache: 2ms`). Useful for diagnosing slow pages without backend log access. Most modern frameworks (Next.js, Cloudflare Workers, Fastly) emit it automatically; absence on a managed platform usually means telemetry headers are stripped at the edge.

### Server Response Intelligence (A+ — 95/100)

*1 server-response signal(s) detected*

- **[INFO]** No `ETag` or `Last-Modified` -- conditional GET not supported — Without either header, browsers can't issue conditional GETs and refresh always re-downloads the full response body even when nothing changed. Add `ETag: "<hash>"` (or `Last-Modified: <date>`) on cacheable responses; the server returns 304 Not Modified when the client's cached copy is still valid, saving bandwidth.

### Page Weight Inventory (B — 80/100)

*72 resources · 888 KB · 316 KB savings available*

- **[PASS]** Within 1MB page-weight target
- **[INFO]** ~316 KB of savings available
- **[WARNING]** 71 third-party resources (100% of weight)

### Render-Blocking Resources (A+ — 100/100)

*No render-blocking resources detected*

- **[PASS]** No render-blocking resources detected in <head>

### Third-Party Resources (A+ — 100/100)

*No third-party resources detected*


### JavaScript Blocking (B — 70/100)

*2 JS blocking issue(s) detected*

- **[WARNING]** 5 render-blocking <script src> tag(s) without async/defer — Each `<script src=...>` without `async`, `defer`, or `type="module"` blocks HTML parsing while the browser fetches and executes it. The block lasts the entire round-trip + execution time -- on slow networks this translates directly into LCP delay. Add `defer` (executes after parse, in source order) for scripts that interact with the DOM, or `async` (executes whenever ready) for analytics / independent scripts. Module scripts (`type="module"`) are deferred by default.
- **[WARNING]** Total JS execution time is 6.7 s -- over the 3.5s budget — Total JavaScript execution (parse + compile + run) across all scripts exceeds 3.5 seconds. On low-end devices that becomes 7-15+ seconds and shows up directly in TBT and INP. Reduce by: tree-shaking unused dependencies, code-splitting (dynamic `import()`), removing or deferring third-party tracking, and replacing heavy frameworks where they're not needed.

### CSS Performance Depth (A+ — 100/100)

*No CSS performance depth issues detected*

- **[PASS]** No CSS performance depth issues detected

---

## Content Quality

### Links (D — 60/100)

*16 links checked, 8 healthy, 8 broken*

- **[CRITICAL]** 8 of 16 links are healthy
- **[WARNING]** Broken link: https://www.bestbuy.com/~assets/bby/_com/header-footer/im... — Found in <link href>. Get "https://www.bestbuy.com/~assets/bby/_com/header-footer/images/favicon-32.png": context deadline exceeded
- **[WARNING]** Broken link: https://www.bestbuy.com/~assets/bby/_com/header-footer/im... — Found in <img src>. Get "https://www.bestbuy.com/~assets/bby/_com/header-footer/images/bby_logo-a7e90594729ed2e119331378def6c97e.png": context deadline exceeded
- **[WARNING]** Broken link: https://www.bestbuy.com/~assets/bby/_intl/landing_page/im... — Found in <img src>. Get "https://www.bestbuy.com/~assets/bby/_intl/landing_page/images/maps/canada.svg": context deadline exceeded
- **[CRITICAL]** Broken link: https://www.bestbuy.com/?intl=nosplash — Found in <a href>. Get "https://www.bestbuy.com/?intl=nosplash": context deadline exceeded
- **[WARNING]** Broken link: https://www.bestbuy.com/~assets/bby/_intl/landing_page/im... — Found in <img src>. Get "https://www.bestbuy.com/~assets/bby/_intl/landing_page/images/maps/usa.svg": context deadline exceeded
- **[CRITICAL]** Broken link: https://www.bestbuy.com/site/help-topics/international-or... — Found in <a href>. Get "https://www.bestbuy.com/site/help-topics/international-orders/pcmcat204400050019.c?id=pcmcat204400050019&intl=nosplash": context deadline exceeded
- **[WARNING]** Broken link: https://www.bestbuy.com/~assets/bby/_intl/landing_page/im... — Found in <img src>. Get "https://www.bestbuy.com/~assets/bby/_intl/landing_page/images/icons/arrow.svg": context deadline exceeded
- **[WARNING]** Broken link: https://www.bestbuy.com/~assets/bby/_com/analytics-dotcom... — Found in <iframe src>. Get "https://www.bestbuy.com/~assets/bby/_com/analytics-dotcom/sandbox-index-21.42.20.html?parentOrigin=https%3A%2F%2Fwww.bestbuy.com&env=prod": context deadline exceeded

### Mixed Content (A+ — 100/100)

*No mixed content detected — all resources use HTTPS.*

- **[PASS]** No mixed content detected — all resources use HTTPS

### Open Graph (F — 0/100)

*No Open Graph tags found — social sharing previews will be generic.*

- **[WARNING]** No Open Graph meta tags found — Without og:title, og:description, and og:image, social media platforms will generate a generic preview when your page is shared.

### Open Graph / Twitter Card Depth (A+ — 100/100)

*No OG image or Twitter card set -- depth check is N/A (presence covered by Open Graph section)*

- **[PASS]** No OG image / Twitter card to evaluate

### 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.

### Rich Results Eligibility (C — 75/100)

*No JSON-LD found -- no rich-result eligibility*

- **[INFO]** No JSON-LD structured data on the page — No `<script type="application/ld+json">` blocks found. Without structured data, search engines fall back to inferring page meaning from raw HTML -- which works but doesn't unlock SERP features (rich snippets, knowledge panel, FAQ accordion, breadcrumb trail). Adding even basic JSON-LD (Organization for the site identity, BreadcrumbList for navigation context) is a low-effort SEO win.

### Image Optimization (F — 50/100)

*4 issues found across 12 images*

- **[WARNING]** 12 images missing explicit width/height — Images without dimensions cause layout shifts (CLS). Set explicit width and height attributes.
- **[INFO]** 9 below-fold images missing loading="lazy" — Lazy loading defers below-fold images, reducing initial page weight.
- **[WARNING]** All 3 images use legacy formats (JPEG/PNG/GIF) — WebP offers 25-35% smaller files than JPEG. Use <picture> with <source type="image/webp"> for modern format support.
- **[WARNING]** 3 images missing alt text — Alt text is essential for screen readers and SEO. Every meaningful image needs descriptive alt text.

### Autoplay Media (A+ — 100/100)

*No autoplay media on the page*

- **[PASS]** No autoplay media on the page

---

## Infrastructure

### DNS Records (A+ — 95/100)

*1 A records, 3 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]** 8 nameserver(s) configured
- **[PASS]** 2 mail exchanger(s) configured
- **[PASS]** SPF record present in TXT
- **[PASS]** DNS resolution time: 3 ms

### Subdomain Takeover (A+ — 100/100)

*No subdomain takeover risk detected*

- **[PASS]** No CNAME record present

### DNSSEC (B — 80/100)

*Unsigned (DNSSEC not deployed)*

- **[INFO]** DNSSEC is not deployed — The zone is not DNSSEC-signed. Users on validating resolvers (Cloudflare 1.1.1.1, Quad9 9.9.9.9, growing default in mobile resolvers) get no protection against DNS spoofing for this domain. Most registrars now offer DNSSEC at a single click; consider enabling it for sites where authenticity matters (banking, healthcare, government).

### CAA Records (B — 80/100)

*No CAA records (any CA may issue certificates)*

- **[INFO]** No CAA records published — Without CAA records, any publicly-trusted CA can issue certificates for this domain. Adding a CAA record (`yourdomain. IN CAA 0 issue "letsencrypt.org"`) restricts issuance to CAs you authorize. Required by CAB Forum baseline since 2017; the default of 'any CA' is widely supported but is the broader attack surface for issuance fraud.

### Reverse DNS (B — 75/100)

*0/1 IPs match cert SAN*

- **[INFO]** PTR for 2.22.44.172 does not match any cert SAN: a2-22-44-172.deploy.static.akamaitechnologies.com — Common when behind a CDN or shared hosting (PTR points at the provider's hostname). Mismatch can also affect mail deliverability if this IP sends email -- many MTAs reject mail when forward+reverse DNS disagree.

### Multi-Resolver DNS Speed (A+ — 100/100)

*Mean 23ms across 3 resolvers (spread 10ms)*

- **[PASS]** Cloudflare: 17ms
- **[PASS]** Quad9: 25ms
- **[PASS]** Google: 27ms

### Redirect Chain (A+ — 100/100)

*0 redirect(s), 85 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 (A — 90/100)

*no robots.txt, sitemap with 76 URLs*

- **[INFO]** No robots.txt found — robots.txt is optional but recommended. It tells search engine crawlers which pages to index.
- **[PASS]** sitemap.xml is present
- **[PASS]** sitemap.xml is valid XML
- **[PASS]** sitemap.xml contains 76 entries
- **[PASS]** Sitemap index with 76 child sitemaps

### URL Variants (A+ — 100/100)

*www/non-www, trailing slash, HTTP→HTTPS*

- **[PASS]** HTTP correctly 301-redirects to HTTPS

### Domain Intelligence (A+ — 100/100)

*bestbuy.com — via MarkMonitor Inc., 32 years, 8 months old, hosted on Akamai*

- **[PASS]** Domain registered until Mar 4, 2028 (1 years, 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: MarkMonitor 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: Akamai

---

## 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.

### Consent UX Depth (A+ — 100/100)

*No consent-UX depth issues detected*

- **[PASS]** No consent-UX depth issues detected

### Tracker Inventory (A+ — 100/100)

*No known trackers detected on this page*

- **[PASS]** No known trackers detected on this page

### Language & i18n (A — 90/100)

*Lang attribute present*

- **[PASS]** <html lang> attribute is present
- **[PASS]** <html lang> value is valid
- **[INFO]** No Content-Language HTTP header
- **[INFO]** Language signals are inconsistent — The <html lang> attribute and Content-Language header should agree.

### Hreflang Configuration (A+ — 100/100)

*No hreflang tags on this page*

- **[PASS]** No hreflang tags found (single-language site)

### Internationalization Extras (A+ — 100/100)

*1 i18n signal(s) detected*

- **[PASS]** Mixed-language content: 2 subtree language(s) declared (fr, es) — The page has elements with `lang="X"` attributes that differ from the root `<html lang>`. Per WCAG 3.1.2 (Level AA), this is the correct way to mark language-of-parts: a screen reader switches pronunciation when entering a `lang="fr"` block on an English page. The catalog is informational -- presence of subtree lang attributes is a positive a11y signal.

### 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

### Accessibility Statement (B — 70/100)

*No accessibility statement detected*

- **[WARNING]** No accessibility statement detected — Sites are increasingly expected to publish an accessibility statement. Required by EU Web Accessibility Directive 2016/2102 for public-sector bodies; recommended best practice elsewhere. Common URLs: /accessibility, /accessibility-statement, /a11y.

### GDPR Article 13 Disclosures (F — 25/100)

*0 / 8 Art. 13 categories matched in homepage body*

- **[WARNING]** GDPR Article 13 disclosure coverage: 0 / 8 categories — Scanned the homepage body text AND the linked /privacy page for GDPR Article 13 disclosures. Matched 0 of 8 categories: . Missing: Data Protection Officer contact (where applicable), Data retention period, Data subject rights (access, erasure, rectification, etc.), Identity / contact details of the data controller, International data transfers, Legal basis for processing, Recipients of personal data, Right to lodge a complaint with a supervisory authority. Note: only the FIRST same-origin privacy-policy link is followed; deeper sub-pages (e.g. /legal/data-subject-rights) are not fetched.

### Third-Party Trackers (C — 55/100)

*1 trackers detected*

- **[INFO]** 1 third-party trackers detected — Found 1 analytics, 0 advertising, 0 marketing, 0 tag manager, 0 session-replay, 0 heatmap trackers.
- **[WARNING]** Trackers detected but no cookie policy found — This page loads 1 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 · 1 trackers · 0 pre-consent*

- **[INFO]** 1 third-party tracker(s) detected on page

### Tracking Pixel Inventory (A+ — 100/100)

*No tracking pixels detected*

- **[PASS]** No tracking pixels detected

### Browser Fingerprinting (A+ — 100/100)

*No browser-fingerprinting libraries detected*

- **[PASS]** No browser-fingerprinting libraries detected

### Cross-Site Cookies (SameSite=None) (A+ — 100/100)

*No cookies on the page*

- **[PASS]** No cookies set on the page response

### Beacon Tracking (sendBeacon) (A+ — 100/100)

*No navigator.sendBeacon usage detected in inline scripts*

- **[PASS]** No navigator.sendBeacon usage detected in inline scripts

---

## 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

*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

*0 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]** No recognized third-party data-sharing services detected — This page does not appear to load external tracking, analytics, or advertising scripts.

### 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.

### Operational Status Page (B — 80/100)

*No status page link detected*

- **[INFO]** No operational status page link detected — Status pages communicate planned maintenance and incidents to users -- a hallmark of operationally-mature services. Most SaaS teams publish one via Atlassian Statuspage, Instatus, BetterUptime, or a self-hosted Cachet. Smaller sites legitimately don't need one; flagged as Info, not a failure.

### Transport Security (A — 90/100)

*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.
- **[PASS]** HSTS enabled (base policy)
- **[INFO]** HSTS missing includeSubDomains — Without includeSubDomains, HSTS only protects the exact domain.
- **[PASS]** TLS 1.3 in use (fastest handshake, 1-RTT)

### Health Check Endpoint (B — 80/100)

*No conventional health endpoint found*

- **[INFO]** No conventional health endpoint found — Health endpoints (/health, /healthz, /status, /ping, /api/health) let uptime monitors, load balancers, and orchestration systems (Kubernetes, ECS, Fly.io) verify the service is alive. Marketing sites and small services often skip them legitimately; flagged as Info, not a failure. Probe results: /api/health: connection error, /health: connection error, /healthz: connection error, /ping: connection error, /status: connection error.

### CDN Cache Observability (B — 85/100)

*No CDN cache-status headers in the response*

- **[INFO]** No CDN cache-status headers in the response — Without an X-Cache / CF-Cache-Status / X-Vercel-Cache / Age header, you can't tell from outside whether a request hit the cache or went to origin. Operationally important: enables debugging stale-content reports and verifying cache rules. Most managed CDN platforms emit at least one of these by default; absence often means the platform's diagnostic headers are stripped at an upstream proxy.

---

## Accessibility

### Landmark Structure (D — 40/100)

*No landmarks*

- **[CRITICAL]** No <main> landmark found — Screen reader users cannot quickly navigate to the primary content. Wrap your main content in <main>.
- **[WARNING]** No <nav> landmark found
- **[INFO]** No banner (header) landmark
- **[INFO]** No contentinfo (footer) landmark
- **[WARNING]** Skip navigation link is missing (WCAG 2.4.1) — Add a skip link as the first focusable element so keyboard users can bypass repeated navigation.

### Heading Hierarchy (D — 45/100)

*12 headings, 3 skip(s)*

- **[WARNING]** Multiple H1 headings (3 found) — A page should have only one H1. Multiple H1s dilute the document outline.
- **[WARNING]** Heading level skipped: H1 → H4 (missing H2) — Skipping heading levels breaks the document outline. Screen readers may interpret missing levels as structural errors.
- **[WARNING]** Heading level skipped: H1 → H4 (missing H2) — Skipping heading levels breaks the document outline. Screen readers may interpret missing levels as structural errors.
- **[WARNING]** Heading level skipped: H1 → H4 (missing H2) — Skipping heading levels breaks the document outline. Screen readers may interpret missing levels as structural errors.

### Heading Text Quality (A+ — 95/100)

*1 heading-text-quality issue(s) detected*

- **[INFO]** 1 heading(s) are all-uppercase (excluding short acronyms) — Headings rendered in all-uppercase are a styling choice that should be done via CSS (`text-transform: uppercase`), not by typing the text in caps. Capitalized text is read letter-by-letter by some screen readers (e.g., "H-E-L-L-O W-O-R-L-D" instead of "hello world"). It's also a soft signal of CMS-migration artifacts where the original lowercase intent was lost.

### Alt Text Quality (D — 40/100)

*3 of 12 images have issues*

- **[CRITICAL]** 3 image(s) missing alt attribute — Images without alt text are invisible to screen readers.
- **[CRITICAL]** 3 image-in-link without alt text — An image inside a link with no alt creates an empty link.
- **[PASS]** 9 image(s) with good alt text

### Form Accessibility (A+ — 100/100)

*No form controls*

- **[PASS]** No form controls on this page

### Link & Button Quality (A+ — 100/100)

*9 links, 3 buttons — all OK*

- **[PASS]** 9 link(s) with descriptive text

### Form Input Types (A+ — 100/100)

*No form controls on this page*

- **[PASS]** No form controls on this page

### Form Input Quality (A+ — 100/100)

*No form controls on this page*

- **[PASS]** No form controls on this page

### Mobile Keyboard & Autofill (A+ — 100/100)

*No form controls -- mobile keyboard check is N/A*

- **[PASS]** No form controls on this page

### Document Language (A+ — 100/100)

*Lang attribute set to "en"*

- **[PASS]** <html lang="en"> is set and valid

### Tabindex Anti-Patterns (A+ — 100/100)

*No explicit tabindex attributes found*

- **[PASS]** No explicit tabindex attributes found

### Iframe Accessibility (A — 90/100)

*1/1 iframe(s) missing title; 0 placeholder(s)*

- **[WARNING]** <iframe> missing title attribute (src="https://www.bestbuy.com/~assets/bby/_com/analytics-dotcom/sandbox-index-21.42.2…") — WCAG 4.1.2: iframes need a title attribute so screen readers can announce what's embedded. Without one, the announcement is just "iframe" -- the user has no way to decide whether to enter or skip.

### Tap Target Adequacy (A+ — 100/100)

*All tap targets meet WCAG 2.5.5/2.5.8 sizing*

- **[PASS]** All tap targets meet WCAG 2.5.5 (44x44px) sizing

### Mobile-Readable Font Sizes (A+ — 100/100)

*All 10 visible text node(s) render at >= 12 CSS pixels*

- **[PASS]** All text uses legible mobile font sizes (>= 12 CSS px)

---

## UX

### 404 Error Page (C — 55/100)

*Could not test*

- **[INFO]** 404 page could not be tested — The 404 page check encountered an error. This may be due to a timeout or network issue.

### Favicon & Branding (F — 30/100)

*2 icon(s) detected*

- **[PASS]** favicon.ico present at site root
- **[PASS]** HTML icon links detected
- **[INFO]** No apple-touch-icon detected — iOS devices use this when users add your site to their home screen. Add <link rel='apple-touch-icon' sizes='180x180' href='/apple-touch-icon.png'>.

### Web Manifest (D — 40/100)

*Not found*

- **[INFO]** No web manifest found — No manifest at standard paths (/manifest.json, /site.webmanifest). A manifest is optional but enables PWA features like home screen installation and standalone display.

### PWA Depth (A+ — 100/100)

*No PWA depth issues detected*

- **[PASS]** No PWA depth issues detected

### Dark Mode Support (D — 40/100)

*No dark mode signals*

- **[INFO]** No dark mode signals detected — Consider adding CSS with @media (prefers-color-scheme: dark) and <meta name='color-scheme' content='light dark'>.
- **[INFO]** Detection limited to meta tags and inline styles — External CSS files may contain prefers-color-scheme rules not visible to this scan.

### Print Stylesheet (D — 40/100)

*No print styles*

- **[INFO]** No print-specific styles detected — When users print this page, they get the screen layout including navigation and non-essential elements. Add @media print rules to hide navigation and optimize layout for paper.

### Navigation UX (F — 0/100)

*No navigation patterns*

- **[INFO]** No breadcrumbs, search, or skip link detected — These navigation aids help users orient themselves and find content efficiently, especially on large sites.

### Mobile UX Depth (A+ — 97/100)

*1 mobile-depth signal(s) detected*

- **[INFO]** No `<meta name="theme-color">` -- browser chrome falls back to default — Without `theme-color`, Android Chrome's status bar and iOS Safari's toolbar fall back to a generic gray. Adding a single hex color in `<meta name="theme-color" content="#0066cc">` tints them to your brand color across all mobile browsers.

---

## SEO

### Canonical URL (B — 80/100)

*Minor issues*

- **[WARNING]** No canonical tag found — Search engines will determine the canonical URL themselves, which may cause duplicate content issues.

### Meta Tags (A+ — 95/100)

*Title optimized*

- **[PASS]** Page title is set
- **[PASS]** Title length (54 chars) is optimal
- **[PASS]** Meta description length (137 chars) is optimal
- **[INFO]** Title and H1 have very different wording — Alignment helps users confirm they've reached the right page.

### Title Style Depth (A — 90/100)

*1 title-style issue(s) detected*

- **[INFO]** Title uses 2 different separator characters: :, - — The page title `Best Buy International: Select your Country - Best Buy` uses multiple separator characters (:, -). Consistent separator use is a soft signal of careful editorial control; mixed separators usually mean the title was assembled from multiple template fragments (CMS title + brand + section) without a normalization step. Pick one separator (commonly `|`, `-`, or `:`) and stick with it across the whole site.

### Content Depth (D — 40/100)

*112 words, Difficult*

- **[WARNING]** Page has 112 words — thin content — Most well-ranking pages have 300+ words of substantive content.
- **[INFO]** Reading level: Difficult (grade 8)
- **[WARNING]** Thin content — only 112 words

### Internal Links (A+ — 100/100)

*3 internal, 6 external*

- **[PASS]** 3 internal links (33%)
- **[PASS]** 100% of links use descriptive anchor text
- **[INFO]** 3 internal / 6 external links

### Image SEO (A+ — 95/100)

*12 images, 12 descriptive filenames*

- **[PASS]** All images have descriptive filenames
- **[INFO]** 3 image(s) missing alt text — see Accessibility tab

### Hreflang

*0 hreflang tags*


### Hreflang URL Quality (A+ — 100/100)

*No hreflang tags on the page*

- **[PASS]** No hreflang tags on the page

### Hreflang Completeness (A+ — 100/100)

*No hreflang tags on this page -- check is N/A (single-language site or unannotated)*

- **[PASS]** No hreflang tags found -- completeness check is N/A

### Sitemap Freshness (C — 70/100)

*Sitemap exists but no <lastmod> entries*

- **[INFO]** Sitemap has no <lastmod> entries — Without lastmod, Google can't tell which URLs have changed since the last crawl -- it falls back to crawling everything periodically. Adding lastmod (date or ISO 8601 timestamp) on each <url> entry signals freshness so the crawler prioritizes recently-modified pages.

### Sitemap × Robots Consistency (C — 75/100)

*Sitemap or robots.txt missing -- consistency check skipped*

- **[INFO]** Cross-check skipped (sitemap or robots.txt absent)

### Sitemap Hygiene (A+ — 100/100)

*Sitemap structure / size look healthy (76 URLs, 7 KB)*

- **[PASS]** Sitemap structure / size look healthy (76 URLs)

### Markup Quality (A+ — 100/100)

*No markup-quality issues detected*

- **[PASS]** No markup-quality issues detected

---

## Sustainability

### CO2 Per Page Load (A — 85/100)

*0.25g CO2 per view*

- **[PASS]** 0.25g CO2 per page view — This page transfers 0.9 MB, producing an estimated 0.25g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.05g, network 0.04g, end-user device 0.16g.
- **[INFO]** At 10,000 monthly views: 29.5 kg CO2/year — With 10,000 page views per month, this page would generate approximately 29.5 kg of CO2 annually — equivalent to charging 3685 smartphones.

### Green Hosting (D — 50/100)

*Unknown*

- **[INFO]** Hosting provider could not be identified — Without knowing the provider, we cannot determine their energy sourcing. Check with your hosting provider about their renewable energy commitments.
- **[INFO]** Green hosting status based on known provider commitments — Green hosting detection uses a curated database of provider renewable energy commitments. This is not a real-time verification. For authoritative checks, visit thegreenwebfoundation.org.

### Repeat Visit Weight (A+ — 100/100)

*99% cached*

- **[PASS]** 99% reduction on repeat visits — Returning visitors download only 5 KB (vs 888 KB first visit). 70 of 72 resources are served from browser cache, saving 0.24g CO2 per repeat visit.
- **[INFO]** Repeat visit: 0.00g CO2 (first visit: 0.25g)

### Carbon Budget (A — 85/100)

*14th percentile*

- **[PASS]** 0.25g CO2 — below the sustainability target of 0.50g — Cleaner than an estimated 86% of websites analyzed. This page meets the Web Sustainability Guidelines target.
- **[INFO]** Estimated 14th percentile — Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.

### Transfer Efficiency (C — 60/100)

*64% efficient*

- **[WARNING]** Transfer efficiency: 64% — An estimated 315 KB (36%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 315 KB of unused JavaScript. This wasted data produces 0.09g of unnecessary CO2 per page view.

### Web Font Weight Variants (B — 90/100)

*No detectable Google Fonts weights*

- **[INFO]** No detectable Google Fonts weights — The analyzer detects font weights via Google Fonts URL parameters (~70% of font-using sites). Self-hosted fonts and non-Google CDN fonts aren't visible to URL-based detection. If you self-host fonts, manually audit how many @font-face weights you ship -- 2-3 weights per family is typically enough; 5+ is usually unused payload.

---

---

*Generated by [BeaverCheck](https://beavercheck.com) — https://beavercheck.com/results/a41361fd-3b07-413a-8ed3-c36af0dc21df*