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

**Date:** April 21, 2026  
**URL:** https://symfony.com  
**Overall Grade:** B (83/100)  
**Report:** https://beavercheck.com/results/e19940a8-b126-44b9-9ad2-f5842c6a38ea

## 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]** 1 image(s) missing alt attribute — Accessibility > Alt Text Quality
4. **[WARNING]** Cross-Origin-Embedder-Policy header is missing — Security > Security Headers
5. **[WARNING]** Cross-Origin-Opener-Policy header is missing — Security > Security Headers

---

## Lighthouse Scores

| Category | Score |
|----------|-------|
| Performance | 89 |
| Accessibility | 90 |
| Best Practices | 100 |
| SEO | 85 |

---

## Security

### Security Headers (C — 55/100)

*5 of 10 headers properly configured*

- **[PASS]** Strict-Transport-Security is properly configured
- **[PASS]** X-Content-Type-Options is properly configured
- **[PASS]** X-Frame-Options is properly configured
- **[WARNING]** Referrer-Policy has a weak value
- **[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 76 days)
- **[PASS]** Certificate chain has 2 certificates
- **[PASS]** Certificate uses modern signature algorithm
- **[PASS]** Certificate covers 5 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 (D — 40/100)

*1 of 3 external resources have SRI*

- **[WARNING]** External link from connect.symfony.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from connect.symfony.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[PASS]** script from static.cloudflareinsights.com has SRI protection

### JS Library Vulnerabilities (A+ — 100/100)

*No known vulnerabilities*

- **[PASS]** No known JavaScript library vulnerabilities detected

### Information Leakage (A+ — 100/100)

*No exposures*

- **[PASS]** security.txt is present — good practice
- **[PASS]** No sensitive files exposed

### Email Security (D — 50/100)

*DMARC: none*

- **[WARNING]** DMARC policy is none — monitoring only — This only monitors, it doesn't block spoofed emails. Change to p=quarantine or p=reject.

### 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+ — 100/100)

*230 KB transferred, 38 requests*

- **[PASS]** Page weighs 1011 KB (230 KB transferred)
- **[PASS]** 38 HTTP requests
- **[INFO]** Estimated 0.05 g CO2 per page load

### Third-Party Impact (A+ — 100/100)

*15% third-party, 0 ms blocking*

- **[INFO]** Third-party code accounts for 15% of page weight (34.8 KiB of 230.2 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 (A — 90/100)

*5 images, 0 KB saveable*

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

### JS Execution Cost (C — 60/100)

*1231ms total JS execution*

- **[WARNING]** https://symfony.com/assets/vendor/asciinema-player...: 315ms CPU time
- **[WARNING]** Unattributable: 281ms CPU time
- **[WARNING]** https://symfony.com/: 260ms CPU time
- **[INFO]** https://symfony.com/assets/asciinema-player-B0DUnC...: 248ms CPU time
- **[INFO]** https://symfony.com/assets/vendor/@hotwired/stimul...: 72ms CPU time
- **[INFO]** Third-party scripts: 337ms (27% of total)

### Font Loading (A+ — 100/100)

*No web fonts (system fonts)*

- **[PASS]** No web fonts loaded — system fonts are fastest

### JS Bundles (A+ — 100/100)

*18 scripts, 0 KB unused*


### Resource Caching (A+ — 100/100)

*All resources properly cached*

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

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

*No render-blocking resources*

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

### Resource Hints (A+ — 100/100)

*1 hints, 0 missing preconnects*

- **[PASS]** Page uses 1 resource hint(s)

### Page Weight Inventory (A+ — 100/100)

*38 resources · 230 KB · 0 KB savings available*

- **[PASS]** Within 1MB page-weight target
- **[INFO]** 8 third-party resources (15% 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*


---

## Content Quality

### Links (A+ — 100/100)

*123 links checked, 123 healthy, 0 broken*

- **[PASS]** 123 of 123 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 — 95/100)

*Open Graph tags are well configured for social sharing.*

- **[INFO]** Missing og:site_name — The og:site_name tag displays the website name in social previews.

### Structured Data (A+ — 100/100)

*7 JSON-LD block(s) found — structured data is well configured.*

- **[INFO]** Missing recommended property "description" for WebSite — Adding "description" can improve how search engines display your content.
- **[PASS]** 5 blocks of custom type "Event" — unable to validate specific properties
- **[PASS]** 7 JSON-LD blocks found

---

## Infrastructure

### DNS Records (A+ — 100/100)

*3 A records, 15 ms lookup*

- **[PASS]** Resolves to 3 IPv4 address(es)
- **[PASS]** Has 3 IPv6 (AAAA) record(s)
- **[PASS]** 2 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
- **[PASS]** DNS resolution time: 15 ms

### Redirect Chain (A+ — 100/100)

*No redirects — direct access*

- **[PASS]** No redirects — direct access

### IPv6 Readiness (F — 30/100)

*IPv6 records exist but unreachable*

- **[WARNING]** IPv6 DNS records exist but server is not reachable — Having AAAA records but an unreachable server is worse than no AAAA — clients may experience delays before falling back to IPv4.
- **[INFO]** IPv6 connection error

### Crawlability (A+ — 95/100)

*robots.txt present, sitemap with 1556 URLs*

- **[PASS]** robots.txt is present
- **[PASS]** sitemap.xml is present
- **[PASS]** sitemap.xml is valid XML
- **[PASS]** sitemap.xml contains 1556 entries
- **[INFO]** robots.txt does not reference a sitemap — Add a 'Sitemap:' directive to robots.txt so search engines can discover your sitemap.

### URL Variants (A+ — 100/100)

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

- **[PASS]** www/non-www redirect configured correctly (preferred: non-www)
- **[PASS]** HTTP correctly 301-redirects to HTTPS

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

*symfony.com — via Gandi SAS, 25 years, 11 months old, hosted on Cloudflare*

- **[PASS]** Domain registered until Sep 5, 2030 (4 years, 5 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: Gandi SAS
- **[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: Cloudflare

---

## Compliance

### WCAG Compliance (A+ — 100/100)

*No testable criteria*


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

*No consent signals detected*

- **[WARNING]** No privacy policy link detected — A privacy policy page is recommended for transparency and may be legally required.
- **[INFO]** No terms of service link detected
- **[INFO]** No cookie consent banner detected
- **[INFO]** This is an automated check, not legal advice — BeaverCheck detects technical indicators of consent management. This does not constitute a legal compliance assessment. Consult a privacy professional for GDPR/CCPA compliance.

### Language & i18n (A — 90/100)

*Lang attribute present*

- **[PASS]** <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)

*2 trackers detected*

- **[INFO]** 2 third-party trackers detected — Found 2 analytics, 0 advertising, 0 marketing, 0 tag manager trackers.
- **[WARNING]** Trackers detected but no cookie policy found — This page loads 2 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 · 2 trackers · 0 pre-consent*

- **[INFO]** 2 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

*1 regulatory indicator(s) detected*

- **[INFO]** This is a technical scan, not a legal assessment — BeaverCheck detects technical indicators that may suggest regulatory relevance. This is not a compliance audit and should not be relied upon for legal decisions. Consult qualified legal counsel for compliance assessments.
- **[INFO]** GDPR indicators detected (weak confidence) — Indicators suggesting GDPR may be relevant: Text mentions: gdpr. EU General Data Protection Regulation — governs collection and processing of personal data of EU residents.

### 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 (B — 70/100)

*1 compliance badge(s) detected*

- **[PASS]** TRUSTe / TrustArc badge detected — Found via body text: 'truste'. Note: the presence of a badge does not verify the certification is current or valid.

---

## Availability

### CDN & Delivery (A — 85/100)

*Cloudflare (DYNAMIC)*

- **[PASS]** Site is served via Cloudflare CDN (edge: SJC)
- **[INFO]** CDN cache status: DYNAMIC

### HTTP Caching (B — 75/100)

*public, s-maxage=1200*

- **[PASS]** Cache-Control header is set
- **[PASS]** CDN TTL: 20 minutes (s-maxage=1200)
- **[INFO]** No ETag or Last-Modified header — Conditional requests (304 Not Modified) are not possible without validators.

### 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 (includeSubDomains, preload)
- **[PASS]** HSTS preload enabled
- **[PASS]** TLS 1.3 in use (fastest handshake, 1-RTT)

---

## Accessibility

### Landmark Structure (A+ — 100/100)

*5 landmarks*

- **[PASS]** <main> landmark present
- **[PASS]** 1 <nav> landmark(s) found
- **[PASS]** Skip navigation link present

### Heading Hierarchy (A+ — 100/100)

*8 headings*

- **[PASS]** Single H1 present

### Alt Text Quality (A — 90/100)

*1 of 1 images have issues*

- **[CRITICAL]** 1 image(s) missing alt attribute — Images without alt text are invisible to screen readers.

### Form Accessibility (A+ — 100/100)

*All 2 controls labeled*

- **[PASS]** 2 control(s) properly labeled

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

*13 issue(s) across 121 links and 4 buttons*

- **[WARNING]** 13 link(s) with generic text — Generic link text like 'click here' doesn't describe the destination.
- **[WARNING]** 22 link(s) open in new tab without warning — Add '(opens in new tab)' to link text or aria-label.
- **[PASS]** 86 link(s) with descriptive text

---

## UX

### 404 Error Page (B — 80/100)

*HTTP 404, custom page*

- **[PASS]** Correct 404 status code returned
- **[PASS]** Custom styled 404 page
- **[PASS]** Navigation links present on 404 page
- **[PASS]** Homepage link present on 404 page

### Favicon & Branding (A — 90/100)

*6 icon(s) detected*

- **[PASS]** favicon.ico present at site root
- **[PASS]** HTML icon links detected
- **[PASS]** Apple touch icon present
- **[PASS]** SVG favicon detected — scales perfectly to any size
- **[PASS]** Multiple icon sizes detected

### Web Manifest (B — 70/100)

*Valid manifest*

- **[PASS]** Name present: Symfony
- **[PASS]** 192x192 icon present
- **[PASS]** Display mode: standalone

### Dark Mode Support (A+ — 100/100)

*Full dark mode support*

- **[PASS]** color-scheme meta tag present — The site declares support for light and dark color schemes via <meta name='color-scheme'>.
- **[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 — 35/100)

*1 navigation pattern(s)*

- **[PASS]** Skip navigation link detected
- **[PASS]** 1 navigation landmark(s) detected
- **[PASS]** Hamburger menu detected (responsive design)

---

## SEO

### Canonical URL (A+ — 100/100)

*Properly configured*

- **[PASS]** Canonical tag present
- **[PASS]** Canonical is self-referencing
- **[PASS]** Canonical matches final URL after redirects
- **[PASS]** Canonical target returns 200

### Meta Tags (A+ — 95/100)

*Title optimized*

- **[PASS]** Page title is set
- **[PASS]** Title length (59 chars) is optimal
- **[INFO]** Title and H1 have very different wording — Alignment helps users confirm they've reached the right page.

### Content Depth (C — 65/100)

*853 words, Very Difficult*

- **[PASS]** Page has 853 words of content
- **[INFO]** Text-to-HTML ratio is 4% — Very low ratio suggests heavy framework overhead or boilerplate.
- **[INFO]** Reading level: Very Difficult (grade 18)

### Internal Links (A — 90/100)

*73 internal, 48 external*

- **[PASS]** 73 internal links (60%)
- **[PASS]** 89% of links use descriptive anchor text
- **[INFO]** 73 internal / 48 external links
- **[WARNING]** 1 internal links use generic anchor text

### Image SEO (A+ — 95/100)

*1 images, 1 descriptive filenames*

- **[PASS]** All images have descriptive filenames
- **[INFO]** 1 image(s) missing alt text — see Accessibility tab

### Hreflang

*0 hreflang tags*


---

## Sustainability

### CO2 Per Page Load (A+ — 100/100)

*0.05g CO2 per view*

- **[PASS]** 0.05g CO2 per page view — This page transfers 0.2 MB, producing an estimated 0.05g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.00g, network 0.01g, end-user device 0.04g.
- **[INFO]** At 10,000 monthly views: 6.4 kg CO2/year — With 10,000 page views per month, this page would generate approximately 6.4 kg of CO2 annually — equivalent to charging 797 smartphones.
- **[PASS]** Green hosting reduces data center emissions

### Green Hosting (A+ — 100/100)

*Green (both)*

- **[PASS]** Both hosting and CDN use renewable energy
- **[INFO]** Platform.sh: Verified by the Green Web Foundation
- **[INFO]** Cloudflare: 100% renewable energy for global network since 2019
- **[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)

*85% cached*

- **[PASS]** 85% reduction on repeat visits — Returning visitors download only 34 KB (vs 230 KB first visit). 37 of 38 resources are served from browser cache, saving 0.05g CO2 per repeat visit.
- **[INFO]** Repeat visit: 0.01g CO2 (first visit: 0.05g)

### Carbon Budget (A+ — 100/100)

*10th percentile*

- **[PASS]** 0.05g CO2 — below the sustainability target of 0.50g — Cleaner than an estimated 90% of websites analyzed. This page meets the Web Sustainability Guidelines target.
- **[INFO]** Estimated 10th percentile — Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.

### Transfer Efficiency (A+ — 100/100)

*100% efficient*

- **[PASS]** Transfer efficiency: 100% — Only 0 KB of potential savings identified. Your page is well-optimized for size.

---

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*Generated by [BeaverCheck](https://beavercheck.com) — https://beavercheck.com/results/e19940a8-b126-44b9-9ad2-f5842c6a38ea*
