# BeaverCheck Audit Report — https://css-tricks.com

**Date:** April 4, 2026  
**URL:** https://css-tricks.com  
**Overall Grade:** C (74/100)  
**Report:** https://beavercheck.com/results/bfa6131f-a2f2-40cc-83a3-558661cdc3f7

## Top Findings

1. **[CRITICAL]** Content-Security-Policy header is missing — Security > Security Headers
2. **[CRITICAL]** HSTS header is missing — Security > Security Headers
3. **[CRITICAL]** No Content-Security-Policy header found — Security > Content Security Policy
4. **[CRITICAL]** 1 control(s) without accessible label — Accessibility > Form Accessibility
5. **[CRITICAL]** 1 image-in-link without alt text — Accessibility > Alt Text Quality

---

## Lighthouse Scores

| Category | Score |
|----------|-------|
| Performance | 72 |
| Accessibility | 85 |
| Best Practices | 73 |
| SEO | 85 |

---

## Security

### Security Headers (C — 65/100)

*8 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.
- **[PASS]** X-Content-Type-Options is properly configured
- **[PASS]** X-Frame-Options is properly configured
- **[PASS]** Referrer-Policy is properly configured
- **[PASS]** Permissions-Policy is set
- **[CRITICAL]** Content-Security-Policy header is missing — CSP is the most important header for preventing XSS attacks. See the CSP section for detailed analysis.
- **[PASS]** Cross-Origin-Opener-Policy is properly configured
- **[PASS]** Cross-Origin-Embedder-Policy is set
- **[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 89 days)
- **[PASS]** Certificate chain has 3 certificates
- **[PASS]** Certificate uses modern signature algorithm
- **[PASS]** Certificate covers 2 domain(s)
- **[PASS]** Certificate is issued by a trusted CA

### Cookie Security (A+ — 95/100)

*1 cookies analyzed, 2 checks passed*

- **[PASS]** Cookie '__cf_bm' has the Secure flag
- **[PASS]** Cookie '__cf_bm' has the HttpOnly flag
- **[WARNING]** Cookie '__cf_bm' has no SameSite attribute — Without an explicit SameSite attribute, browser default behavior varies. Set SameSite=Lax or Strict.

---

## Advanced Security

### Subresource Integrity (D — 40/100)

*1 of 14 external resources have SRI*

- **[WARNING]** External script from cdn.segment.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from www.google-analytics.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from consent.trustarc.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from consent.trustarc.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from c0.wp.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from c0.wp.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from c0.wp.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from c0.wp.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from stats.wp.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from stats.wp.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from c0.wp.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from c0.wp.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[WARNING]** External script from static.codepen.io lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code.
- **[PASS]** script from instant.page 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*

- **[INFO]** No security.txt found — Consider adding a security.txt at /.well-known/security.txt.
- **[PASS]** No sensitive files exposed

### 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 (A+ — 100/100)

*17 directives, 0 missing*

- **[PASS]** accelerometer=() — blocked for all origins
- **[PASS]** browsing-topics=() — blocked for all origins
- **[PASS]** camera=() — blocked for all origins
- **[PASS]** clipboard-read=() — blocked for all origins
- **[PASS]** clipboard-write=() — blocked for all origins
- **[PASS]** geolocation=() — blocked for all origins
- **[PASS]** gyroscope=() — blocked for all origins
- **[PASS]** hid=() — blocked for all origins
- **[PASS]** interest-cohort=() — blocked for all origins
- **[PASS]** magnetometer=() — blocked for all origins
- **[PASS]** microphone=() — blocked for all origins
- **[PASS]** payment=() — blocked for all origins
- **[PASS]** publickey-credentials-get=() — blocked for all origins
- **[PASS]** screen-wake-lock=() — blocked for all origins
- **[PASS]** serial=() — blocked for all origins
- **[PASS]** sync-xhr=() — blocked for all origins
- **[PASS]** usb=() — blocked for all origins

### CORS Configuration (B — 80/100)

*No CORS headers*

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

---

## Performance

### Page Weight Budget (B — 77/100)

*1.3 MB transferred, 83 requests*

- **[PASS]** Page weighs 2.8 MB (1.3 MB transferred)
- **[INFO]** 83 HTTP requests
- **[INFO]** Estimated 0.27 g CO2 per page load

### Third-Party Impact (D — 50/100)

*65% third-party, 0 ms blocking*

- **[WARNING]** Third-party code accounts for 65% of page weight (851.5 KiB of 1.3 MiB)
- **[PASS]** Third-party blocking time is low (0 ms)

### Text Compression (A+ — 100/100)

*All text resources are compressed*

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

### Image Optimization (C — 60/100)

*32 images, 0 KB saveable*

- **[WARNING]** https://secure.gravatar.com/avatar/b6c928ce1b901c3... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS.
- **[WARNING]** https://secure.gravatar.com/avatar/0bb46f96dd1a017... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS.
- **[WARNING]** https://secure.gravatar.com/avatar/a8e040142716a4b... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS.
- **[WARNING]** https://secure.gravatar.com/avatar/db5b77793bb2e05... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS.
- **[WARNING]** https://secure.gravatar.com/avatar/6bc7516fbadd709... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS.
- **[WARNING]** https://secure.gravatar.com/avatar/c16ca31febf1ccf... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS.
- **[WARNING]** https://consent.trustarc.com/get?name=css-tricks.c... is missing width/height — may cause layout shift — Set explicit width and height to prevent CLS.

### JS Execution Cost (D — 40/100)

*3031ms total JS execution*

- **[WARNING]** https://css-tricks.com/: 1048ms CPU time
- **[WARNING]** Unattributable: 951ms CPU time
- **[WARNING]** https://www.googletagmanager.com/gtag/js?id=G-4TM4...: 271ms CPU time
- **[INFO]** https://css-tricks.com/wp-content/plugins/jetpack/...: 163ms CPU time
- **[INFO]** https://cdn.segment.com/analytics.js/v1/nnmtLrk127...: 127ms CPU time
- **[WARNING]** Third-party scripts: 1571ms (52% of total)

### Font Loading (A+ — 100/100)

*3 fonts (113 KB)*

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

### JS Bundles (B — 80/100)

*29 scripts, 110 KB unused*

- **[WARNING]** https://www.googletagmanager.com/gtag/js?id=G-4TM4...: 69 KB unused (42%) — Consider code splitting or tree shaking to reduce unused code.
- **[WARNING]** https://consent.trustarc.com/asset/notice.js/v/v1....: 21 KB unused (59%) — Consider code splitting or tree shaking to reduce unused code.
- **[WARNING]** https://css-tricks.com/wp-content/themes/CSS-Trick...: 20 KB unused (61%) — Consider code splitting or tree shaking to reduce unused code.
- **[INFO]** Total unused JavaScript: 110 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)

*9 hints, 0 missing preconnects*

- **[PASS]** Page uses 9 resource hint(s)

---

## Content Quality

### Links (F — 40/100)

*200 links checked, 84 healthy, 116 broken*

- **[CRITICAL]** 84 of 200 links are healthy
- **[WARNING]** Broken link: https://css-tricks.com/manifest.json — Found in <link href>. Returns HTTP 403.
- **[WARNING]** Broken link: https://css-tricks.com/opensearch.xml — Found in <link href>. Returns HTTP 403.
- **[WARNING]** Broken link: https://css-tricks.com/feed/ — Found in <link href>. Returns HTTP 403.
- **[WARNING]** Broken link: https://css-tricks.com/ — Found in <link href>. Returns HTTP 403.
- **[WARNING]** Broken link: https://i0.wp.com — Found in <link href>. Returns HTTP 400.
- **[WARNING]** Broken link: https://css-tricks.com/wp-json/oembed/1.0/embed?url=https... — Found in <link href>. Returns HTTP 403.
- **[WARNING]** Broken link: https://css-tricks.com/wp-json/oembed/1.0/embed?url=https... — Found in <link href>. Returns HTTP 403.
- **[WARNING]** Broken link: https://css-tricks.com/wp-json/ — Found in <link href>. Returns HTTP 403.
- **[WARNING]** Broken link: https://css-tricks.com/wp-json/wp/v2/pages/378936 — Found in <link href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/category/articles/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/guides — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/almanac — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/category/links/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/picks/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/random — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/complex-css-shapes-with-shape-func... — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/clip-path/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/css-functions/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/css-shapes/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/shapes/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/author/afiftemani/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/abusing-customizable-selects/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/html-elements/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/select/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/author/patrickbrosset/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/experimenting-with-scroll-driven-c... — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/animation/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/corner-shape/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/scroll-driven-animation/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/author/danielschwarz/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/javascript-for-everyone-destructur... — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/destructuring/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/javascript/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/author/wilto/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/an-exploit-in-css/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/news/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/security/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/author/leemeyer/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/trying-to-make-the-perfect-pie-cha... — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/charts/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/data-visualization/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/author/monknow/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/responsive-hexagon-grid-using-mode... — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/math/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/css-bar-charts-using-modern-functi... — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/author/preethi/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/how-to-style-the-new-search-text-a... — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/pseudo-elements/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/front-end-april-fools-top-10/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/css-olfactive-api/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/api/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/author/johnrhea/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/whats-important-8/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/form-automation-tips-for-happier-u... — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/forms/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/author/iqranaaem/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/generative-ui-notes/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/artificial-intelligence/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/author/geoffgraham/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/quick-hit-118/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/quick-hit-117/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/masonry-layout-is-now-grid-lanes/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/quick-hit-116/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/quick-hit-115/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/category/quick-hits — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/almanac/functions/v/view/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/author/salehmubashar/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/almanac/properties/v/view-timeline... — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/almanac/properties/v/view-timeline... — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/almanac/functions/s/scroll/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/almanac/properties/s/scroll-timeli... — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/almanac/properties/s/scroll-timeli... — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/almanac/properties/t/timeline-scope/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/almanac/properties/a/animation-range/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/css-color-functions/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/color/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/author/sunkanmifafowora/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/styling-counters-in-css/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/counters/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/lists/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/css-anchor-positioning-guide/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/anchor-positioning/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/css-selectors/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/selectors/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/css-length-units/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/container-units/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/units/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/css-container-queries/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/container-queries/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/a-complete-guide-to-css-media-quer... — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/media-queries/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/author/agalante/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/css-cascade-layers/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/cascade-layers/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/author/miriam/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/complete-guide-to-css-functions/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/functions/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/author/ericwbailey/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/a-complete-guide-to-css-gradients/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/a-complete-guide-to-custom-propert... — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/tag/custom-properties/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/author/chriscoyier/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/books/greatest-css-tricks/scroll-a... — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/books/greatest-css-tricks/the-yell... — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/books/greatest-css-tricks/make-sha... — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/books/greatest-css-tricks/scroll-s... — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/books/greatest-css-tricks/editable... — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/books/greatest-css-tricks/scroll-i... — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/books/greatest-css-tricks/how-to-m... — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/books/greatest-css-tricks/pin-scro... — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/books/fundamental-css-tactics/infi... — Found in <a href>. Returns HTTP 403.
- **[WARNING]** Broken link: about:blank — Found in <iframe src>. Get "about:blank": unsupported protocol scheme "about"
- **[CRITICAL]** Broken link: https://css-tricks.com/contact/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/guest-writing/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/advertising/ — Found in <a href>. Returns HTTP 403.
- **[CRITICAL]** Broken link: https://css-tricks.com/rss-feeds/ — Found in <a href>. Returns HTTP 403.

### Mixed Content (B — 80/100)

*2 HTTP resource(s) loaded on HTTPS page*

- **[WARNING]** HTTP img loaded on HTTPS page — Modern browsers block or warn about HTTP resources on HTTPS pages. Change the URL to use HTTPS.
- **[WARNING]** HTTP img loaded on HTTPS page — Modern browsers block or warn about HTTP resources on HTTPS pages. Change the URL to use HTTPS.

### Open Graph (B — 85/100)

*Open Graph tags are partially configured — some improvements recommended.*

- **[WARNING]** Missing og:description — The og:description tag controls the description in social sharing previews.

### Structured Data (A — 90/100)

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

- **[WARNING]** Missing required property "name" for Person — The "name" property is required for the Person schema type.
- **[INFO]** Missing recommended property "url" for Person — Adding "url" can improve how search engines display your content.
- **[INFO]** Missing recommended property "image" for Person — Adding "image" can improve how search engines display your content.

---

## Infrastructure

### DNS Records (A+ — 95/100)

*2 A records, 129 ms lookup*

- **[PASS]** Resolves to 2 IPv4 address(es)
- **[PASS]** Has 2 IPv6 (AAAA) record(s)
- **[PASS]** 2 nameserver(s) configured
- **[PASS]** 7 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: 129 ms

### Redirect Chain (A+ — 100/100)

*0 redirect(s), 21 ms total*


### 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 — 85/100)

*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.
- **[PASS]** robots.txt references sitemap

### URL Variants (B — 75/100)

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

- **[CRITICAL]** HTTP version does not redirect to HTTPS

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

*css-tricks.com — via MarkMonitor Inc., 19 years old*

- **[PASS]** Domain registered until Jul 4, 2032 (6 years, 4 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.

---

## 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
- **[PASS]** 1 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

---

## Legal

### Legal Page Ecosystem (F — 30/100)

*1 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.
- **[PASS]** Terms of Service detected — Found at https://www.digitalocean.com/legal?utm_source=css-tricks.com&utm_medium=cta&utm_campaign=website_link, 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 (C — 55/100)

*No copyright notice detected*

- **[INFO]** No copyright notice detected — No copyright notice detected in the page content. While not legally required in most jurisdictions (copyright exists automatically), a notice is standard practice and signals site ownership.

### Regulatory Indicators

*2 regulatory indicator(s) detected*

- **[INFO]** This is a technical scan, not a legal assessment — BeaverCheck detects technical indicators that may suggest regulatory relevance. This is not a compliance audit and should not be relied upon for legal decisions. Consult qualified legal counsel for compliance assessments.
- **[INFO]** GDPR indicators detected (moderate confidence) — Indicators suggesting GDPR may be relevant: Consent management platform detected: trustarc.com. EU General Data Protection Regulation — governs collection and processing of personal data of EU residents.
- **[INFO]** HIPAA indicators detected (weak confidence) — Indicators suggesting HIPAA may be relevant: Text mentions: phi. Health Insurance Portability and Accountability Act — protects sensitive patient health information.

### Third-Party Data Sharing

*3 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]** 3 third-party services across 2 categories — 3 third-party services detected across 2 categories: Analytics (2), CDN (1). Each of these services receives some user data from your site visitors.
- **[INFO]** Google Analytics (Analytics) — Detected via script URL. Typically collects: Page views, User behavior, Demographics, Device info, IP address. Privacy policy: https://policies.google.com/privacy. Data Processing Agreement available.
- **[INFO]** Segment (Analytics) — Detected via script URL. Typically collects: User events, Identity resolution, Data routing. Privacy policy: https://segment.com/legal/privacy/. Data Processing Agreement available.
- **[INFO]** Cloudflare (CDN) — Detected via cookie name. Typically collects: IP address (transient), Request metadata. Privacy policy: https://www.cloudflare.com/privacypolicy/. Data Processing Agreement available.

### Compliance Badges (C — 55/100)

*0 compliance badge(s) detected*

- **[INFO]** No compliance badges detected — No recognized compliance certification badges or seals were found. This is common — many sites do not display compliance badges.

---

## Availability

### CDN & Delivery (B — 80/100)

*Cloudflare*

- **[PASS]** Site is served via Cloudflare CDN (edge: GRU)

### 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.

---

## Accessibility

### Landmark Structure (A — 90/100)

*16 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 — 90/100)

*56 headings*

- **[WARNING]** Multiple H1 headings (2 found) — A page should have only one H1. Multiple H1s dilute the document outline.

### Alt Text Quality (D — 43/100)

*7 of 50 images have issues*

- **[CRITICAL]** 7 image(s) missing alt attribute — Images without alt text are invisible to screen readers.
- **[CRITICAL]** 1 image-in-link without alt text — An image inside a link with no alt creates an empty link.
- **[INFO]** 1 image(s) with alt text over 125 characters
- **[PASS]** 39 decorative image(s) correctly marked
- **[PASS]** 3 image(s) with good alt text

### Form Accessibility (A — 85/100)

*1 of 4 controls have issues*

- **[CRITICAL]** 1 control(s) without accessible label — Form controls need a <label>, aria-label, or aria-labelledby for screen readers.
- **[PASS]** 3 control(s) properly labeled

### Link & Button Quality (D — 47/100)

*31 issue(s) across 240 links and 7 buttons*

- **[CRITICAL]** 31 link(s) with no accessible text — Links without text are announced as raw URLs by screen readers.
- **[CRITICAL]** 39 image-only link(s) without alt text
- **[WARNING]** 1 link(s) open in new tab without warning — Add '(opens in new tab)' to link text or aria-label.
- **[PASS]** 169 link(s) with descriptive text

---

## UX

### 404 Error Page (F — 25/100)

*HTTP 403, custom page*

- **[WARNING]** Unexpected status code: HTTP 403 — Expected HTTP 404 but received 403. This may confuse search engine crawlers.
- **[PASS]** Custom styled 404 page

### Favicon & Branding (B — 80/100)

*7 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 (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.

### Dark Mode Support (D — 45/100)

*Theme color only*

- **[INFO]** Theme-color present but no dark variant — A theme-color is set but no dark-specific variant was found. The browser toolbar may not adapt for dark mode users.
- **[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 — 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*

- **[PASS]** Canonical tag present
- **[PASS]** Canonical is self-referencing
- **[PASS]** Canonical matches final URL after redirects
- **[CRITICAL]** Canonical target returns 403 — Search engines cannot follow this canonical, effectively orphaning this page.

### Meta Tags (A — 85/100)

*Title: 20 chars*

- **[PASS]** Page title is set
- **[WARNING]** Title is only 20 characters — consider expanding
- **[INFO]** Title and H1 have very different wording — Alignment helps users confirm they've reached the right page.

### Content Depth (A — 85/100)

*1005 words, Difficult*

- **[PASS]** Page has 1005 words — good depth for search engines
- **[INFO]** Text-to-HTML ratio is 3% — Very low ratio suggests heavy framework overhead or boilerplate.
- **[INFO]** Reading level: Difficult (grade 17)

### Internal Links (A+ — 95/100)

*225 internal, 15 external*

- **[PASS]** 225 internal links (94%)
- **[PASS]** 87% of links use descriptive anchor text
- **[INFO]** Page has 240 links — consider reducing
- **[INFO]** 225 internal / 15 external links

### Image SEO (B — 75/100)

*50 images, 15 descriptive filenames*

- **[WARNING]** 70% of images have non-descriptive filenames — Search engines use filenames as a signal. Rename to descriptive names like 'team-photo.jpg'.
- **[INFO]** 7 image(s) missing alt text — see Accessibility tab

### Hreflang

*0 hreflang tags*


---

## Sustainability

### CO2 Per Page Load (A — 85/100)

*0.30g CO2 per view*

- **[PASS]** 0.30g CO2 per page view — This page transfers 1.3 MB, producing an estimated 0.30g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.01g, network 0.06g, end-user device 0.23g.
- **[INFO]** At 10,000 monthly views: 36.3 kg CO2/year — With 10,000 page views per month, this page would generate approximately 36.3 kg of CO2 annually — equivalent to charging 4536 smartphones.
- **[PASS]** Green hosting reduces data center emissions

### Green Hosting (A+ — 100/100)

*Green (both)*

- **[PASS]** Both hosting and CDN use renewable energy
- **[INFO]** Cloudflare: 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)

*97% cached*

- **[PASS]** 97% reduction on repeat visits — Returning visitors download only 38 KB (vs 1308 KB first visit). 81 of 83 resources are served from browser cache, saving 0.29g CO2 per repeat visit.
- **[INFO]** Repeat visit: 0.01g CO2 (first visit: 0.30g)

### Carbon Budget (A — 85/100)

*20th percentile*

- **[PASS]** 0.30g CO2 — below the sustainability target of 0.50g — Cleaner than an estimated 80% of websites analyzed. This page meets the Web Sustainability Guidelines target.
- **[INFO]** Estimated 20th percentile — Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.

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

*92% efficient*

- **[PASS]** Transfer efficiency: 92% — Only 110 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/bfa6131f-a2f2-40cc-83a3-558661cdc3f7*