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

**Date:** April 15, 2026  
**URL:** https://jetblue.com  
**Overall Grade:** C (73/100)  
**Report:** https://beavercheck.com/results/e71365eb-d4c1-4f8d-addf-2f0628eb3db7

## Top Findings

1. **[CRITICAL]** Content-Security-Policy header is missing — Security > Security Headers
2. **[CRITICAL]** Cookie 'isMobile' is missing the Secure flag — Security > Cookie Security
3. **[CRITICAL]** Cookie 'jbCountryCode' is missing the Secure flag — Security > Cookie Security
4. **[CRITICAL]** HSTS header is missing — Security > Security Headers
5. **[CRITICAL]** No Content-Security-Policy header found — Security > Content Security Policy

---

## Lighthouse Scores

| Category | Score |
|----------|-------|
| Performance | 22 |
| Accessibility | 94 |
| Best Practices | 69 |
| SEO | 100 |

---

## 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 50 days)
- **[PASS]** Certificate chain has 2 certificates
- **[PASS]** Certificate uses modern signature algorithm
- **[PASS]** Certificate covers 1 domain(s)
- **[PASS]** Certificate is issued by a trusted CA

### Cookie Security (D — 50/100)

*2 cookies analyzed, 0 checks passed*

- **[CRITICAL]** Cookie 'jbCountryCode' is missing the Secure flag — Without the Secure flag, this cookie can be sent over unencrypted HTTP, exposing it to interception.
- **[WARNING]** Cookie 'jbCountryCode' is missing the HttpOnly flag — Without HttpOnly, this cookie can be accessed by JavaScript, making it vulnerable to XSS-based theft.
- **[WARNING]** Cookie 'jbCountryCode' has no SameSite attribute — Without an explicit SameSite attribute, browser default behavior varies. Set SameSite=Lax or Strict.
- **[CRITICAL]** Cookie 'isMobile' is missing the Secure flag — Without the Secure flag, this cookie can be sent over unencrypted HTTP, exposing it to interception.
- **[WARNING]** Cookie 'isMobile' is missing the HttpOnly flag — Without HttpOnly, this cookie can be accessed by JavaScript, making it vulnerable to XSS-based theft.
- **[WARNING]** Cookie 'isMobile' has no SameSite attribute — Without an explicit SameSite attribute, browser default behavior varies. Set SameSite=Lax or Strict.

---

## Advanced Security

### Subresource Integrity (A+ — 100/100)

*No external resources*

- **[PASS]** No external resources to protect

### 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+ — 100/100)

*DMARC: reject*

- **[PASS]** DMARC policy is reject — strongest protection

### Permissions-Policy (D — 40/100)

*No header set*

- **[WARNING]** No Permissions-Policy header — Consider adding a Permissions-Policy header to restrict browser feature access from embedded content.

### CORS Configuration (B — 80/100)

*No CORS headers*

- **[PASS]** No CORS headers present — secure default

---

## Performance

### Page Weight Budget (F — 0/100)

*4.8 MB transferred, 107 requests*

- **[CRITICAL]** Page weighs 11.5 MB (4.8 MB transferred)
- **[WARNING]** JavaScript is 2.5 MB — consider code splitting or lazy loading — Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
- **[WARNING]** Images are 1.4 MB — compress or use modern formats — Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
- **[INFO]** Fonts are 240 KB — consider subsetting or using system fonts — Subset fonts to include only used characters, or switch to system font stacks.
- **[WARNING]** 107 HTTP requests — consider bundling or reducing — Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests.
- **[INFO]** Estimated 1.0 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 (4.8 MiB of 4.8 MiB)
- **[PASS]** Third-party blocking time is low (0 ms)

### Text Compression (A+ — 100/100)

*All text resources are compressed*

- **[PASS]** All text resources are compressed

### Image Optimization (B — 75/100)

*24 images, 0 KB saveable*

- **[PASS]** All images are well-optimized

### JS Execution Cost (F — 20/100)

*13394ms total JS execution*

- **[WARNING]** https://st.dynamicyield.com/st?sec=8791140&ref=&sc...: 3603ms CPU time
- **[WARNING]** https://cdn.dynamicyield.com/api/8791140/api_dynam...: 1959ms CPU time
- **[WARNING]** https://www.jetblue.com/_next/static/chunks/0_wckr...: 1688ms CPU time
- **[WARNING]** Unattributable: 1437ms CPU time
- **[WARNING]** https://static.jetblue.com/49b10c8ad172622fbc74/di...: 1300ms CPU time
- **[WARNING]** Third-party scripts: 13394ms (100% of total)

### Font Loading (A+ — 100/100)

*5 fonts (240 KB)*

- **[INFO]** 5 font(s) use font-display: swap (FOUT risk but functional)

### JS Bundles (F — 20/100)

*29 scripts, 1.1 MB unused*

- **[WARNING]** https://static.jetblue.com/49b10c8ad172622fbc74/di...: 293 KB unused (67%) — Consider code splitting or tree shaking to reduce unused code.
- **[WARNING]** https://sdk.joinsherpa.io/widget.js?appId=spY3MjM0...: 250 KB unused (38%) — Consider code splitting or tree shaking to reduce unused code.
- **[WARNING]** https://www.jetblue.com/_next/static/chunks/0nhjsm...: 197 KB unused (74%) — Consider code splitting or tree shaking to reduce unused code.
- **[WARNING]** https://sdk.asapp.com/chat-sdk.js: 81 KB unused (68%) — Consider code splitting or tree shaking to reduce unused code.
- **[WARNING]** https://www.googletagmanager.com/gtm.js?id=GTM-5J9...: 75 KB unused (39%) — Consider code splitting or tree shaking to reduce unused code.
- **[INFO]** Total unused JavaScript: 1.1 MB

### Resource Caching (A+ — 100/100)

*All resources properly cached*

- **[PASS]** No caching issues found

### Critical Rendering Path (A+ — 100/100)

*No render-blocking resources*

- **[PASS]** No render-blocking resources detected

### Resource Hints (A+ — 100/100)

*14 hints, 0 missing preconnects*

- **[PASS]** Page uses 14 resource hint(s)

### Page Weight Inventory (F — 20/100)

*107 resources · 4.8 MB · 1.1 MB savings available*

- **[WARNING]** Page weight 3.8 MB over 1MB target
- **[INFO]** ~1.1 MB of savings available
- **[WARNING]** 106 third-party resources (100% of weight)
- **[INFO]** 5 resources over 200KB

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

*No render-blocking resources detected*

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

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

*No third-party resources detected*


---

## Content Quality

### Links (B — 85/100)

*92 links checked, 89 healthy, 3 broken*

- **[WARNING]** 89 of 92 links are healthy
- **[WARNING]** Broken link: https://st.dynamicyield.com — Found in <link href>. Returns HTTP 404.
- **[WARNING]** Broken link: https://rcom.dynamicyield.com — Found in <link href>. Returns HTTP 404.
- **[CRITICAL]** Broken link: https://www.instagram.com/accounts/login/?next=https%3A%2... — Found in <a href>. Returns HTTP 429.

### 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.*

- **[INFO]** og:title is long (81 characters) — Titles over 60 characters may be truncated in social sharing previews.
- **[INFO]** Missing og:url — The og:url tag specifies the canonical URL for the shared content.
- **[INFO]** Missing og:type — The og:type tag helps social platforms categorize the content.
- **[INFO]** Missing og:site_name — The og:site_name tag displays the website name in social previews.

### 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.

---

## Infrastructure

### DNS Records (A — 85/100)

*1 A records, 908 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]** 1 mail exchanger(s) configured
- **[INFO]** CAA records not checked — CAA record lookup requires a specialized DNS resolver. This check will be available in a future update.
- **[PASS]** SPF record present in TXT
- **[WARNING]** DNS resolution is slow (908 ms) — Slow DNS adds latency to every page load. Consider a faster DNS provider.

### Redirect Chain (A — 90/100)

*1 redirect(s), 672 ms total*

- **[PASS]** Single redirect
- **[INFO]** WWW normalization redirect
- **[INFO]** Redirect overhead: 672 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+ — 100/100)

*robots.txt present, sitemap with 372 URLs*

- **[PASS]** robots.txt is present
- **[PASS]** sitemap.xml is present
- **[PASS]** sitemap.xml is valid XML
- **[PASS]** sitemap.xml contains 372 entries
- **[PASS]** robots.txt references sitemap

### URL Variants (D — 50/100)

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

- **[CRITICAL]** Both www and non-www versions serve content
- **[CRITICAL]** HTTP version does not redirect to HTTPS

### Domain Intelligence (A — 90/100)

*jetblue.com — via CSC Corporate Domains, Inc., 27 years, 2 months old, hosted on Fastly*

- **[WARNING]** Domain expires in 75 days — Consider enabling auto-renewal to prevent accidental expiration.
- **[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: CSC Corporate Domains, 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: Fastly

---

## Compliance

### WCAG Compliance (A+ — 100/100)

*No testable criteria*


### Cookie Consent & Privacy (B — 80/100)

*TrustArc 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
- **[PASS]** Consent banner detected (TrustArc)
- **[PASS]** 2 cookie(s) set on initial load (functional)
- **[INFO]** This is an automated check, not legal advice — BeaverCheck detects technical indicators of consent management. This does not constitute a legal compliance assessment. Consult a privacy professional for GDPR/CCPA compliance.

### Language & i18n (A — 90/100)

*Lang attribute present*

- **[PASS]** <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.

### 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)

*2 cookies · 3 trackers · 0 pre-consent*

- **[INFO]** 2 cookie(s) could not be classified
- **[INFO]** 1 third-party cookie(s) (50% of total)
- **[INFO]** 3 third-party tracker(s) detected on page

---

## Legal

### Legal Page Ecosystem (B — 70/100)

*3 of 7 expected legal pages detected*

- **[PASS]** Privacy Policy detected — Found at https://www.jetblue.com/legal/privacy, linked from footer.
- **[PASS]** Terms of Service detected — Found at https://www.jetblue.com/legal.
- **[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.
- **[PASS]** Accessibility Statement detected — Found at https://www.jetblue.com/at-the-airport/accessibility-assistance.
- **[INFO]** DMCA / Copyright Notice not detected — No link matching common DMCA / Copyright Notice URL patterns or link text was found. Most websites are expected to have a DMCA / Copyright Notice, especially those collecting user data.
- **[INFO]** Refund / Returns Policy not detected — No link matching common Refund / Returns Policy URL patterns or link text was found. Most websites are expected to have a Refund / Returns Policy, especially those collecting user data.
- **[INFO]** Acceptable Use Policy not detected — No link matching common Acceptable Use Policy URL patterns or link text was found. Most websites are expected to have a Acceptable Use Policy, especially those collecting user data.

### Copyright Notice (A+ — 100/100)

*©2026 JetBlue Airways*

- **[PASS]** Copyright notice is up to date — Copyright notice is up to date: ©2026 JetBlue Airways
- **[PASS]** Copyright holder: JetBlue Airways

### 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 (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]** CCPA indicators detected (strong confidence) — Indicators suggesting CCPA may be relevant: Text mentions: do not sell; Link text: Do not sell my info. California Consumer Privacy Act — gives California residents rights over their personal data.
- **[INFO]** ADA indicators detected (moderate confidence) — Indicators suggesting ADA may be relevant: Accessibility statement page found. Americans with Disabilities Act / Section 508 — requires digital accessibility for people with disabilities.

### 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 (A+ — 100/100)

*Fastly (HIT)*

- **[PASS]** Site is served via Fastly CDN
- **[PASS]** CDN cache status: HIT

### 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 (A — 90/100)

*7 landmarks*

- **[PASS]** <main> landmark present
- **[PASS]** 4 <nav> landmark(s) found
- **[WARNING]** 4 of 4 <nav> elements are unlabeled — Multiple navigations need aria-label to distinguish them for screen readers.
- **[PASS]** Skip navigation link present

### Heading Hierarchy (A+ — 100/100)

*19 headings*

- **[PASS]** Single H1 present
- **[INFO]** 2 hidden heading(s) (aria-hidden)

### Alt Text Quality (A+ — 100/100)

*All 19 images OK*

- **[PASS]** 5 decorative image(s) correctly marked
- **[PASS]** 14 image(s) with good alt text

### Form Accessibility (D — 47/100)

*13 of 21 controls have issues*

- **[CRITICAL]** 12 control(s) without accessible label — Form controls need a <label>, aria-label, or aria-labelledby for screen readers.
- **[WARNING]** 1 control(s) rely on placeholder only — Placeholder text disappears on focus and is not a reliable label.
- **[PASS]** 8 control(s) properly labeled

### Link & Button Quality (C — 68/100)

*51 links, 12 buttons — all OK*

- **[CRITICAL]** 3 image-only link(s) without alt text — Image-only links need alt text on the image (or aria-label on the link) so screen readers can announce them.
- **[WARNING]** 14 link(s) open in new tab without warning — Add '(opens in new tab)' to link text or aria-label.
- **[PASS]** 34 link(s) with descriptive text

---

## UX

### 404 Error Page (C — 55/100)

*HTTP 404, custom page*

- **[PASS]** Correct 404 status code returned
- **[PASS]** Custom styled 404 page

### Favicon & Branding (C — 65/100)

*11 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'>.
- **[PASS]** Multiple icon sizes detected

### Web Manifest (A+ — 95/100)

*PWA-ready*

- **[PASS]** Meets PWA install criteria
- **[PASS]** Name present: jetBlue
- **[PASS]** 192x192 icon present
- **[PASS]** 512x512 icon present
- **[PASS]** Display mode: standalone

### Dark Mode Support (B — 70/100)

*Dark mode detected*

- **[PASS]** Dark-specific theme-color detected — A theme-color with media='(prefers-color-scheme: dark)' adapts the browser toolbar for dark mode.
- **[PASS]** prefers-color-scheme CSS detected in inline styles
- **[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 — 30/100)

*1 navigation pattern(s)*

- **[PASS]** Skip navigation link detected
- **[PASS]** 4 navigation landmark(s) detected

---

## 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 — 85/100)

*Title: 81 chars*

- **[PASS]** Page title is set
- **[WARNING]** Title is 81 characters — will be truncated in search results
- **[INFO]** Title and H1 have very different wording — Alignment helps users confirm they've reached the right page.

### Content Depth (C — 65/100)

*330 words, Fairly Difficult*

- **[PASS]** Page has 330 words of content
- **[INFO]** Text-to-HTML ratio is 0% — Very low ratio suggests heavy framework overhead or boilerplate.
- **[INFO]** Reading level: Fairly Difficult (grade 9)

### Internal Links (A+ — 100/100)

*4 internal, 47 external*

- **[PASS]** 4 internal links (8%)
- **[PASS]** 100% of links use descriptive anchor text
- **[INFO]** 4 internal / 47 external links

### Image SEO (A+ — 100/100)

*19 images, 19 descriptive filenames*

- **[PASS]** All images have descriptive filenames

### Hreflang

*0 hreflang tags*


---

## Sustainability

### CO2 Per Page Load (D — 50/100)

*1.14g CO2 per view*

- **[WARNING]** 1.14g CO2 per page view — This page transfers 4.8 MB, producing an estimated 1.14g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.03g, network 0.24g, end-user device 0.87g.
- **[INFO]** At 10,000 monthly views: 136.5 kg CO2/year — With 10,000 page views per month, this page would generate approximately 136.5 kg of CO2 annually — equivalent to charging 17063 smartphones.
- **[PASS]** Green hosting reduces data center emissions

### Green Hosting (A — 85/100)

*Green (cdn)*

- **[PASS]** Fastly CDN uses renewable energy — Since most traffic is served through the CDN, the majority of data transfer energy is renewable.
- **[INFO]** Fastly: 100% renewable energy for edge network
- **[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)

*98% cached*

- **[PASS]** 98% reduction on repeat visits — Returning visitors download only 109 KB (vs 4921 KB first visit). 105 of 107 resources are served from browser cache, saving 1.11g CO2 per repeat visit.
- **[INFO]** Repeat visit: 0.03g CO2 (first visit: 1.14g)

### Carbon Budget (D — 50/100)

*65th percentile*

- **[WARNING]** 1.14g CO2 — above the median website (0.60g) — Heavier than an estimated 35% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
- **[INFO]** Estimated 65th percentile — Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.

### Transfer Efficiency (B — 80/100)

*76% efficient*

- **[INFO]** Transfer efficiency: 76% — An estimated 1164 KB (24%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 1164 KB of unused JavaScript. This wasted data produces 0.27g of unnecessary CO2 per page view.

---

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*Generated by [BeaverCheck](https://beavercheck.com) — https://beavercheck.com/results/e71365eb-d4c1-4f8d-addf-2f0628eb3db7*
