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Changes

https://www.youtube.com
Compared to previous audit · 4 weeks ago View previous audit

Sao Paulo, Brazil → Santa Clara, United States

These audits ran from different locations. Timing metrics (TTFB, DNS, TLS) may reflect network path differences rather than site changes.

49
New issues
27
Resolved
23
score changes
CategoryPreviousCurrentChange
CompositeC (73)C (79) +6.000
PerformanceC (79)B (81) +2.000
SecurityC (70)B (81) +11.000
AccessibilityD (60)C (75) +15.000
SEOC (75)B (86) +11.000
InfrastructureB (85)B (89) +4.000
ComplianceD (67)F (53) -14.000
ContentC (78)C (78)—
SustainabilityC (78)C (76) -2.000
MetricPreviousCurrentChange
Performance 40003600 -400
Accessibility 89008900—
Best Practices 1000010000—
SEO 1000010000—
PWA 00—
Desktop Performance 45003600 -900
Desktop Accessibility 96009600—
Desktop Best Practices 96009600—
Desktop SEO 92009200—
FCP 6.31 s6.50 s +195 ms
LCP 6.94 s8.29 s +1.35 s
TBT 916 ms1.23 s +310 ms
CLS 0.0010.001 +0.000
Desktop FCP 942 ms3.55 s +2.61 s
Desktop LCP 3.70 s4.64 s +938 ms
Desktop TBT 804 ms579 ms -226 ms
Desktop CLS 0.0280.026 -0.002
TTFB †172 ms457 ms +285 ms
DNS †5 ms2 ms -3 ms
TLS †19 ms201 ms +183 ms
Connect †2 ms2 ms +0 ms
Total †293 ms752 ms +459 ms

† Timing metrics may vary by worker location and do not necessarily indicate site changes.

Projected vs. Actual

Previous
C 73
Projected
A 95
Actual
C 79
Fell short of projection
27 issues resolved since last audit
76 issues remaining
Resolving remaining issues could reach A+

Estimate — actual results may vary

CRITICAL 5 image(s) missing alt attribute accessibility
CRITICAL 4 tracking cookie(s) set before consent interaction compliance
CRITICAL 4 image-in-link without alt text accessibility
CRITICAL 15 link(s) with no accessible text accessibility
CRITICAL 13 button(s) with no accessible text accessibility
WARNING https://m.youtube.com/s/_/ytmweb/_/js/k=ytmweb.c3_...: 61 KB unused (77%) performance
WARNING https://m.youtube.com/s/player/8fb635c2/player-pla...: 308 KB unused (74%) performance
WARNING https://m.youtube.com/s/_/ytmweb/_/js/k=ytmweb.c3_...: 223 KB unused (52%) performance
WARNING No SPF record found security
WARNING Page weight 1.3 MB exceeds 1 MB target by 302 KB performance
WARNING Thin content — only 112 words seo
WARNING 1 text node(s) render below 12 CSS pixels on mobile accessibility
WARNING https://m.youtube.com/: 449ms CPU time performance
WARNING 7 images missing explicit width/height content
WARNING External script from www.gstatic.com lacks integrity attribute security
WARNING JavaScript is 1005 KB — consider code splitting or lazy loading performance
WARNING https://m.youtube.com/s/_/ytmweb/_/js/k=ytmweb.c3_...: 2281ms CPU time performance
WARNING Total JS execution time is 4.5 s -- over the 3.5s budget performance
WARNING Registrar lock is NOT enabled infrastructure
WARNING Multiple H1 headings (4 found) accessibility
WARNING 9 render-blocking <script src> tag(s) without async/defer performance
WARNING 8 render-blocking stylesheet(s) -- recommended: <=3 performance
WARNING DNS resolution is slow (254 ms) infrastructure
WARNING security.txt: Missing required 'Expires' field (RFC 9116) security
WARNING https://m.youtube.com/s/player/8fb635c2/player-pla...: 293ms CPU time performance
WARNING Only 25% of links use descriptive anchor text seo
WARNING Trackers detected but no cookie policy found compliance
WARNING <iframe> missing title attribute (src="about:blank") accessibility
WARNING Unattributable: 953ms CPU time performance
WARNING https://m.youtube.com/s/_/ytmweb/_/js/k=ytmweb.c3_...: 26 KB unused (87%) performance
WARNING 100% of images have non-descriptive filenames seo
WARNING 3 tracking-shaped cross-site cookie(s): VISITOR_INFO1_LIVE, VISITOR_PRIVACY_METADATA, YSC compliance
WARNING Third-party scripts: 4502ms (100% of total) performance
WARNING Transfer efficiency: 53% sustainability
WARNING base-uri directive is missing security
WARNING 6 empty heading(s) accessibility
WARNING 153 inline style attribute(s) detected security
WARNING SRI adoption: 0/6 third-party resources protected (0%) security
WARNING 67 third-party resources (98% of weight) performance
WARNING External script from static.doubleclick.net lacks integrity attribute security
WARNING 1 link(s) open in new tab without warning accessibility
WARNING 1 advertising/retargeting trackers detected compliance
WARNING Trackers detected but no privacy policy found compliance
WARNING 36 of 39 links are healthy content
WARNING 7 images missing alt text content
WARNING Permissions-Policy covers 0/10 high-risk features (0%) security
WARNING <iframe> missing title attribute (src="https://accounts.google.com/ServiceLogin?service=youtube&uilel=3&passive=true&c…") accessibility
WARNING Page has 112 words — thin content seo
WARNING Third-party code accounts for 98% of page weight (1.3 MiB of 1.3 MiB) performance
CRITICAL Page has only 29 words — nearly empty seo
CRITICAL 'unsafe-inline' found in script source security
CRITICAL 2 image(s) missing alt attribute accessibility
CRITICAL 2 image-in-link without alt text accessibility
CRITICAL 2 button(s) with no accessible text accessibility
CRITICAL 'unsafe-eval' found in script source security
CRITICAL 2 link(s) with no accessible text accessibility
CRITICAL No viewport meta tag found compliance
WARNING https://m.youtube.com/s/player/57fefa84/player-pla...: 307 KB unused (74%) performance
WARNING https://m.youtube.com/s/_/ytmweb/_/js/k=ytmweb.c3_...: 59 KB unused (77%) performance
WARNING No meta description tag found seo
WARNING https://m.youtube.com/s/_/ytmweb/_/js/k=ytmweb.c3_...: 1664ms CPU time performance
WARNING https://m.youtube.com/: 558ms CPU time performance
WARNING 28 of 31 links are healthy content
WARNING Third-party scripts: 3259ms (76% of total) performance
WARNING Page weight 1.3 MB exceeds 1 MB target by 271 KB performance
WARNING JavaScript is 978 KB — consider code splitting or lazy loading performance
WARNING Unattributable: 1022ms CPU time performance
WARNING https://m.youtube.com/s/player/57fefa84/player-pla...: 259ms CPU time performance
WARNING Transfer efficiency: 54% sustainability
WARNING IPv6 DNS records exist but server is not reachable infrastructure
WARNING Third-party code accounts for 98% of page weight (1.2 MiB of 1.3 MiB) performance
WARNING 68 third-party resources (98% of weight) performance
WARNING Multiple H1 headings (2 found) accessibility
WARNING 2 empty heading(s) accessibility
WARNING Thin content — only 29 words seo
WARNING https://m.youtube.com/s/_/ytmweb/_/js/k=ytmweb.c3_...: 232 KB unused (54%) performance
CRITICAL 7 non-essential cookie(s) set without consent banner compliance
CRITICAL 2 image-only link(s) without alt text accessibility
WARNING CNAME record at zone apex infrastructure
WARNING Terms of Service not detected compliance
WARNING frame-ancestors directive is missing security
WARNING Title is only 7 characters — consider expanding seo
WARNING Broken link: android-app://com.google.android.youtube/http/www.youtube... content
WARNING Broken link: about:blank content
WARNING Referrer-Policy header is missing security
WARNING Cross-Origin-Embedder-Policy header is missing security
WARNING Cookie 'GPS' has no SameSite attribute security
WARNING No accessibility statement detected compliance
WARNING HSTS is missing includeSubDomains security
WARNING Skip navigation link is missing (WCAG 2.4.1) accessibility
WARNING 1 control(s) rely on placeholder only accessibility
WARNING No privacy policy link detected compliance
WARNING Broken link: ios-app://544007664/vnd.youtube/www.youtube.com/ content
WARNING form-action directive is missing security
WARNING No DMARC record found security
WARNING GDPR Article 13 disclosure coverage: 0 / 8 categories compliance
WARNING External link from fonts.googleapis.com lacks integrity attribute security
WARNING default-src directive is missing security
WARNING 2 of 2 <nav> elements are unlabeled accessibility
WARNING Missing og:description content
WARNING No `<meta charset>` declaration in HTML seo
WARNING Privacy Policy not detected compliance
WARNING 10 font weights loaded -- likely 100+ KB of unused payload sustainability
set-cookie
__Secure-BUCKET=CM8C; Domain=.youtube.com; Expires=Sun, 04-Oct-2026 20:02:38 ... → __Secure-YNID=18.YT=tS4nFcahzoYR_P2J4VI79JZpe53SDaQ6QO8_6NbLtVFbJjn_nJCV9B5IS...
reporting-endpoints
crash-reporting="/web-reports?context=eJwNy39o1HUcx3G_e5Ied97uvt_v5_P-hBcZU4q... → crash-reporting="/web-reports?context=eJwNx39MlHUcwPGee5djd8Ldc9_n-_08dS4dMs3...
p3p
CP="This is not a P3P policy! See http://support.google.com/accounts/answer/1... → CP="This is not a P3P policy! See http://support.google.com/accounts/answer/1...
content-security-policy
base-uri 'self';object-src 'none';script-src 'report-sample' 'nonce-9Ul9svL1f... → require-trusted-types-for 'script', base-uri 'self';object-src 'none';script-...

16 headers unchanged

+ DoubleClick Floodlight Advertising

10 technologies unchanged

Looking ahead

+19 pts
C (79) Could reach A+ (98)
Compliance +28Accessibility +25Performance +19Security +19Content +17SEO +14Infrastructure +10Sustainability +8

Estimate — actual results may vary (76 issues to fix)

Website improvement report — Youtube

April 7, 2026 → May 10, 2026

C C 73 → 79 +6 pts

27

Resolved

49

New issues

27

Still remaining

Financial summary

Investment delivered

$8,333 in development time

Investment remaining

$13,017 to complete the remaining items

Ongoing risk

$13,125/month in ongoing exposure

Figures are estimates based on local developer hourly rate, industry CPC, and regulatory fine ranges.

Performance by category

MetricBeforeAfterChange
Overall score73 (C)79 (C)+6
Performance79 (C)81 (B)+2
Security70 (C)81 (B)+11
Accessibility60 (D)75 (C)+15
SEO75 (C)86 (B)+11
Infrastructure85 (B)89 (B)+4
Compliance67 (D)53 (F)-14
Content78 (C)78 (C)0
Sustainability78 (C)76 (C)-2

Resolved (27)

  • https://m.youtube.com/s/player/57fefa84/player-pla...: 307 KB unused (74%) (Performance)

    → Page loads faster for users

  • https://m.youtube.com/s/_/ytmweb/_/js/k=ytmweb.c3_...: 59 KB unused (77%) (Performance)

    → Page loads faster for users

  • No meta description tag found (SEO)

    → Better search engine visibility

  • https://m.youtube.com/s/_/ytmweb/_/js/k=ytmweb.c3_...: 1664ms CPU time (Performance)

    → Page loads faster for users

  • https://m.youtube.com/: 558ms CPU time (Performance)

    → Page loads faster for users

  • Page has only 29 words — nearly empty (SEO)

    → Better search engine visibility

  • 28 of 31 links are healthy (Content)

    → Stronger social sharing and on-page quality

  • Third-party scripts: 3259ms (76% of total) (Performance)

    → Page loads faster for users

  • Page weight 1.3 MB exceeds 1 MB target by 271 KB (Performance)

    → Page loads faster for users

  • JavaScript is 978 KB — consider code splitting or lazy loading (Performance)

    → Page loads faster for users

  • Unattributable: 1022ms CPU time (Performance)

    → Page loads faster for users

  • https://m.youtube.com/s/player/57fefa84/player-pla...: 259ms CPU time (Performance)

    → Page loads faster for users

  • Transfer efficiency: 54% (Sustainability)

    → Lower carbon footprint per page view

  • 'unsafe-inline' found in script source (Security)

    → Reduced attack surface for visitors

  • 2 image(s) missing alt attribute (Accessibility)

    → Improved usability for assistive technology users

…and 12 more resolved issue(s)

Recommended next steps (76)

  • Sprint 2

    5 image(s) missing alt attribute (Accessibility)

  • Sprint 2

    4 tracking cookie(s) set before consent interaction (Compliance)

  • Sprint 1

    4 image-in-link without alt text (Accessibility)

  • Sprint 1

    15 link(s) with no accessible text (Accessibility)

  • Sprint 1

    13 button(s) with no accessible text (Accessibility)

  • Sprint 2

    7 non-essential cookie(s) set without consent banner (Compliance)

  • Sprint 1

    2 image-only link(s) without alt text (Accessibility)

  • Sprint 3

    https://m.youtube.com/s/_/ytmweb/_/js/k=ytmweb.c3_...: 61 KB unused (77%) (Performance)

  • Sprint 3

    https://m.youtube.com/s/player/8fb635c2/player-pla...: 308 KB unused (74%) (Performance)

  • Sprint 3

    https://m.youtube.com/s/_/ytmweb/_/js/k=ytmweb.c3_...: 223 KB unused (52%) (Performance)

  • Sprint 1

    No SPF record found (Security)

  • Sprint 2

    Page weight 1.3 MB exceeds 1 MB target by 302 KB (Performance)

  • Sprint 3

    Thin content — only 112 words (SEO)

  • Sprint 1

    1 text node(s) render below 12 CSS pixels on mobile (Accessibility)

  • Sprint 1

    https://m.youtube.com/: 449ms CPU time (Performance)

…and 61 more recommended item(s)

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