# BeaverCheck Audit Report — https://vine.co

**Date:** April 21, 2026  
**URL:** https://vine.co  
**Overall Grade:** C (75/100)  
**Report:** https://beavercheck.com/results/547ae579-6c0a-4b6d-8b28-6f6c18ea2d96

## Top Findings

1. **[CRITICAL]** 'unsafe-eval' found in script source — Security > Content Security Policy
2. **[CRITICAL]** 'unsafe-inline' found in script source — Security > Content Security Policy
3. **[CRITICAL]** /.svn/entries is publicly accessible — Security > Information Leakage
4. **[WARNING]** 9 third-party resources (62% of weight) — Performance > Page Weight Inventory
5. **[WARNING]** Cross-Origin-Embedder-Policy header is missing — Security > Security Headers

---

## Lighthouse Scores

| Category | Score |
|----------|-------|
| Performance | 96 |
| Accessibility | 75 |
| Best Practices | 92 |
| SEO | 100 |

---

## Security

### Security Headers (C — 60/100)

*5 of 10 headers properly configured*

- **[WARNING]** HSTS is missing includeSubDomains — Without includeSubDomains, subdomains can still be accessed over HTTP.
- **[PASS]** X-Content-Type-Options is properly configured
- **[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.
- **[PASS]** Content-Security-Policy is present
- **[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

### Content Security Policy (F — 30/100)

*2 of 10 CSP checks passed*

- **[INFO]** Raw CSP policy
- **[PASS]** default-src directive is set
- **[CRITICAL]** 'unsafe-inline' found in script source — 'unsafe-inline' allows inline <script> tags, defeating CSP against XSS. Remove it and use nonces or hashes instead.
- **[CRITICAL]** 'unsafe-eval' found in script source — 'unsafe-eval' allows eval() and similar functions, enabling code injection. Remove it.
- **[PASS]** No wildcard in script source
- **[WARNING]** object-src allows plugin content — Set object-src to 'none' to prevent Flash/Java plugin exploits.
- **[WARNING]** base-uri directive is missing — Without base-uri, attackers can inject a <base> tag to hijack relative URLs. Set it to 'self' or 'none'.
- **[WARNING]** frame-ancestors directive is missing — frame-ancestors controls who can embed your page, preventing clickjacking. Set it to 'self' or 'none'.
- **[WARNING]** form-action directive is missing — form-action restricts where forms can submit data, preventing form hijacking.
- **[INFO]** upgrade-insecure-requests is not set — This directive upgrades HTTP resources to HTTPS automatically, preventing mixed content.

### TLS & Certificates (A+ — 100/100)

*TLS 1.2, 7 checks passed*

- **[PASS]** TLS 1.2 is used
- **[INFO]** TLS 1.3 is not negotiated — TLS 1.3 offers improved performance and security. Consider enabling it.
- **[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 288 days)
- **[PASS]** Certificate chain has 3 certificates
- **[PASS]** Certificate uses modern signature algorithm
- **[PASS]** Certificate covers 3 domain(s)
- **[PASS]** Certificate is issued by a trusted CA

### Cookie Security (A+ — 100/100)

*No cookies set — no cookie security risks*

- **[PASS]** No cookies set — no cookie security risks

---

## Advanced Security

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

*0 of 4 external resources have SRI*

- **[WARNING]** External link from v.cdn.vine.co lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External link from v.cdn.vine.co lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from stats.g.doubleclick.net lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from v.cdn.vine.co 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 (B — 70/100)

*Critical exposure detected*

- **[CRITICAL]** /.svn/entries is publicly accessible — Version control directory is accessible. This exposes source code and potentially secrets. Block access in your web server configuration.
- **[PASS]** security.txt is present — good practice

### Email Security (F — 30/100)

*No DMARC*

- **[WARNING]** No DMARC record found — Without DMARC, email receivers have no policy for handling authentication failures.

### Permissions-Policy (D — 40/100)

*No header set*

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

### CORS Configuration (B — 80/100)

*No CORS headers*

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

---

## Performance

### Page Weight Budget (A+ — 100/100)

*34 KB transferred, 12 requests*

- **[PASS]** Page weighs 56 KB (34 KB transferred)
- **[PASS]** 12 HTTP requests
- **[INFO]** Estimated 0.01 g CO2 per page load

### Third-Party Impact (D — 50/100)

*62% third-party, 0 ms blocking*

- **[WARNING]** Third-party code accounts for 62% of page weight (20.8 KiB of 33.8 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)

*5 images, 0 KB saveable*

- **[WARNING]** https://twitter.github.io/twemoji/2/72x72/1f44b.pn... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS.
- **[WARNING]** https://twitter.github.io/twemoji/2/72x72/1f331.pn... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS.

### JS Execution Cost (A+ — 100/100)

*151ms total JS execution*

- **[INFO]** Unattributable: 101ms CPU time
- **[INFO]** https://vine.co/: 50ms CPU time
- **[WARNING]** Third-party scripts: 101ms (67% 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)

*2 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)

*No optimization needed*

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

### Page Weight Inventory (A — 85/100)

*12 resources · 34 KB · 0 KB savings available*

- **[PASS]** Within 1MB page-weight target
- **[WARNING]** 9 third-party resources (62% 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 (B — 80/100)

*16 links checked, 12 healthy, 4 broken*

- **[CRITICAL]** 12 of 16 links are healthy
- **[WARNING]** Broken link: https://v.cdn.vine.co/w/a001567d-assets/vendor-d41d8cd98f... — Found in <link href>. Get "https://v.cdn.vine.co/w/a001567d-assets/vendor-d41d8cd98f00b204e9800998ecf8427e.css": resolve v.cdn.vine.co: lookup v.cdn.vine.co: no such host
- **[WARNING]** Broken link: https://v.cdn.vine.co/w/a001567d-assets/vine-ember-cd8345... — Found in <link href>. Get "https://v.cdn.vine.co/w/a001567d-assets/vine-ember-cd83453a3f52d688e17f9f362837be53.css": resolve v.cdn.vine.co: lookup v.cdn.vine.co: no such host
- **[WARNING]** Broken link: https://v.cdn.vine.co/w/a001567d-assets/images/favicon.ico — Found in <link href>. Get "https://v.cdn.vine.co/w/a001567d-assets/images/favicon.ico": resolve v.cdn.vine.co: lookup v.cdn.vine.co: no such host
- **[WARNING]** Broken link: https://v.cdn.vine.co/w/a001567d-assets/vendor-898677dd82... — Found in <script src>. Get "https://v.cdn.vine.co/w/a001567d-assets/vendor-898677dd823f7d85fac88828283d758a.js": resolve v.cdn.vine.co: lookup v.cdn.vine.co: no such host

### 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 — 50/100)

*Open Graph tags need attention — social sharing previews may be incomplete.*

- **[WARNING]** Missing og:title — The og:title tag controls the title shown in social sharing previews.
- **[WARNING]** Missing og:description — The og:description tag controls the description in social sharing previews.
- **[WARNING]** og:image is not an image — The og:image URL returned MIME type "text/html; charset=utf-8", which is not an image.
- **[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 twitter:card — Without twitter:card, Twitter falls back to Open Graph tags. Adding it gives you more control.

### 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+ — 95/100)

*2 A records, 37 ms lookup*

- **[PASS]** Resolves to 2 IPv4 address(es)
- **[INFO]** No IPv6 (AAAA) records
- **[PASS]** 4 nameserver(s) configured
- **[PASS]** 5 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.
- **[INFO]** No SPF record found in TXT records — SPF helps prevent email spoofing. Add a TXT record starting with 'v=spf1'.
- **[PASS]** DNS resolution time: 37 ms

### Redirect Chain (A+ — 100/100)

*No redirects — direct access*

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

### 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 (B — 80/100)

*robots.txt present, no sitemap*

- **[PASS]** robots.txt is present
- **[INFO]** No sitemap.xml found — A sitemap helps search engines discover and index your pages more efficiently.
- **[INFO]** robots.txt does not reference a sitemap — Add a 'Sitemap:' directive to robots.txt so search engines can discover your sitemap.

### URL Variants (B — 75/100)

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

- **[CRITICAL]** Both www and non-www versions serve content
- **[PASS]** HTTP correctly 301-redirects to HTTPS

### Domain Intelligence

*Domain intelligence data not available*


---

## Compliance

### WCAG Compliance (A+ — 100/100)

*No testable criteria*


### Cookie Consent & Privacy (A+ — 100/100)

*privacy policy found*

- **[PASS]** Privacy policy link found
- **[PASS]** Terms of service link found
- **[INFO]** No cookie consent banner detected
- **[INFO]** This is an automated check, not legal advice — BeaverCheck detects technical indicators of consent management. This does not constitute a legal compliance assessment. Consult a privacy professional for GDPR/CCPA compliance.

### Language & i18n (A — 90/100)

*Lang attribute present*

- **[PASS]** <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 (C — 60/100)

*Viewport prevents zooming*

- **[PASS]** Viewport meta tag is present
- **[PASS]** width=device-width is set
- **[CRITICAL]** Viewport prevents user zooming — user-scalable=no or maximum-scale < 2 prevents users from zooming. This is a WCAG 1.4.4 (Level AA) failure and an accessibility barrier for users with low vision.

### Third-Party Trackers (B — 80/100)

*2 trackers detected*

- **[INFO]** 2 third-party trackers detected — Found 0 analytics, 2 advertising, 0 marketing, 0 tag manager trackers.
- **[WARNING]** 2 advertising/retargeting trackers detected — Advertising trackers collect user data for ad targeting. Under GDPR, these typically require explicit consent.

### 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 (C — 60/100)

*2 of 7 expected legal pages detected*

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

### Copyright Notice (D — 40/100)

*© 2018 Twitter*

- **[WARNING]** Copyright year is 2018 (8 year(s) behind) — Copyright year is 2018 — 8 year(s) behind. While copyright protection doesn't depend on the year being current, an outdated notice may suggest the site is not actively maintained. Update to © 2026 or use a range like © 2018–2026.
- **[PASS]** Copyright holder: Twitter

### 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 (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.

### 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 (A — 90/100)

*max-age=600 (10 minutes)*

- **[PASS]** Cache-Control header is set
- **[PASS]** Effective TTL: 10 minutes (max-age=600)
- **[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 (base policy)
- **[INFO]** HSTS missing includeSubDomains — Without includeSubDomains, HSTS only protects the exact domain.

---

## Accessibility

### Landmark Structure (B — 70/100)

*2 landmarks*

- **[PASS]** <main> landmark present
- **[WARNING]** No <nav> landmark found
- **[INFO]** No banner (header) 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 (B — 80/100)

*No headings*

- **[WARNING]** No headings found — Headings (H1-H6) create the document outline for screen reader navigation.

### Alt Text Quality (A+ — 100/100)

*All 3 images OK*

- **[PASS]** 3 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)

*5 links, 0 buttons — all OK*

- **[PASS]** 5 link(s) with descriptive text

---

## UX

### 404 Error Page (C — 65/100)

*HTTP 404, custom page*

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

### Favicon & Branding (F — 15/100)

*1 icon(s) detected*

- **[WARNING]** No favicon.ico at site root — Some older browsers, bookmark tools, and RSS readers look for /favicon.ico. Add one as a fallback.
- **[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 (F — 25/100)

*Valid manifest*

- **[PASS]** Name present: Vine
- **[WARNING]** No 192x192 icon — A 192px icon is required for PWA installation.

### 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.

---

## 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 — 90/100)

*Title: 4 chars*

- **[PASS]** Page title is set
- **[WARNING]** Title is only 4 characters — consider expanding

### Content Depth (F — 10/100)

*41 words, Fairly Easy*

- **[CRITICAL]** Page has only 41 words — nearly empty — Search engines need substantive text content to understand and rank a page.
- **[INFO]** Text-to-HTML ratio is 3% — Very low ratio suggests heavy framework overhead or boilerplate.
- **[INFO]** Reading level: Fairly Easy (grade 6)
- **[WARNING]** Thin content — only 41 words

### Internal Links (A+ — 100/100)

*3 internal, 2 external*

- **[PASS]** 3 internal links (60%)
- **[PASS]** 100% of links use descriptive anchor text
- **[INFO]** 3 internal / 2 external links

### Image SEO (B — 80/100)

*3 images, 1 descriptive filenames*

- **[WARNING]** 67% of images have non-descriptive filenames — Search engines use filenames as a signal. Rename to descriptive names like 'team-photo.jpg'.

### Hreflang

*0 hreflang tags*


---

## Sustainability

### CO2 Per Page Load (A+ — 100/100)

*0.01g CO2 per view*

- **[PASS]** 0.01g CO2 per page view — This page transfers 0.0 MB, producing an estimated 0.01g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.00g, network 0.00g, end-user device 0.01g.
- **[INFO]** At 10,000 monthly views: 1.1 kg CO2/year — With 10,000 page views per month, this page would generate approximately 1.1 kg of CO2 annually — equivalent to charging 140 smartphones.

### Green Hosting (D — 40/100)

*Not green*

- **[INFO]** No confirmed renewable energy commitment detected — Consider providers like Cloudflare, Google Cloud, or Vercel that match 100% of their energy use with renewables.
- **[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 (B — 80/100)

*77% cached*

- **[PASS]** 77% reduction on repeat visits — Returning visitors download only 7 KB (vs 33 KB first visit). 11 of 12 resources are served from browser cache, saving 0.01g CO2 per repeat visit.
- **[INFO]** Repeat visit: 0.00g CO2 (first visit: 0.01g)

### Carbon Budget (A+ — 100/100)

*10th percentile*

- **[PASS]** 0.01g 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.

---

---

*Generated by [BeaverCheck](https://beavercheck.com) — https://beavercheck.com/results/547ae579-6c0a-4b6d-8b28-6f6c18ea2d96*