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Changes

https://www.mozilla.org
Compared to previous audit · 3 days ago View previous audit

Sao Paulo, Brazil Singapore, Singapore

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

16
New issues
38
Resolved
20
score changes
CategoryPreviousCurrentChange
CompositeC (79)B (80) +1.000
PerformanceB (83)B (86) +3.000
SecurityC (71)C (70) -1.000
AccessibilityD (65)D (65)
SEOA (95)A (95)
InfrastructureA (92)A (93) +1.000
ComplianceB (83)B (80) -3.000
ContentC (70)B (85) +15.000
SustainabilityA (92)A (92)
MetricPreviousCurrentChange
Performance 51007300 +2200
Accessibility 1000010000
Best Practices 96009600
SEO 1000010000
PWA 00
Desktop Performance 99009900
Desktop Accessibility 1000010000
Desktop Best Practices 96009600
Desktop SEO 1000010000
FCP 2.33 s2.19 s -137 ms
LCP 2.85 s3.19 s +339 ms
TBT 679 ms758 ms +79 ms
CLS 0.9480.000 -0.948
Desktop FCP 727 ms606 ms -121 ms
Desktop LCP 733 ms675 ms -58 ms
Desktop TBT 86 ms75 ms -11 ms
Desktop CLS 0.0010.001 +0.000
TTFB 543 ms14 ms -529 ms
DNS 197 ms4 ms -193 ms
TLS 41 ms6 ms -35 ms
Connect 37 ms1 ms -36 ms
Total 546 ms15 ms -531 ms

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

Projected vs. Actual

Previous
C 79
Projected
A 96
Actual
B 80
Fell short of projection
38 issues resolved since last audit
36 issues remaining
Resolving remaining issues could reach A

Estimate — actual results may vary

CRITICAL Broken link: https://www.instagram.com/mozilla/ content
CRITICAL Broken link: https://www.instagram.com/firefox/ content
CRITICAL Broken link: https://newproducts.mozilla.org/?utm_source=www.mozilla.o... content
CRITICAL 9 image-only link(s) without alt text accessibility
WARNING Third-party code accounts for 60% of page weight (459.5 KiB of 771.9 KiB) performance
WARNING https://www.googletagmanager.com/gtm.js?id=GTM-MW3...: 60 KB unused (48%) performance
WARNING Trackers detected but no privacy policy found compliance
WARNING 197 of 200 links are healthy content
WARNING Third-party scripts: 1784ms (71% of total) performance
WARNING Unattributable: 545ms CPU time performance
WARNING https://transcend-cdn.com/cm/d556c3a1-e57c-4bdf-a4...: 338ms CPU time performance
WARNING https://www.mozilla.org/media/js/newsletter.988c40...: 274ms CPU time performance
WARNING Trackers detected but no cookie policy found compliance
WARNING No privacy policy link detected compliance
WARNING https://www.googletagmanager.com/gtag/js?id=G-MQ77...: 495ms CPU time performance
WARNING https://www.mozilla.org/en-US/: 373ms CPU time performance
CRITICAL Broken link: https://www.firefox.com/browsers/enterprise/?utm_source=w... content
CRITICAL Broken link: https://0din.ai/?utm_source=www.mozilla.org&utm_medium=re... content
CRITICAL 175 of 200 links are healthy content
CRITICAL Broken link: https://www.firefox.com/channel/desktop/developer/?utm_so... content
CRITICAL Broken link: https://soloist.ai/?utm_source=www.mozilla.org&utm_medium... content
WARNING Third-party code accounts for 59% of page weight (457.8 KiB of 769.9 KiB) performance
WARNING 8 third-party resources (59% of weight) performance
WARNING GDPR Article 13 disclosure coverage: 0 / 8 categories compliance
WARNING Broken link: https://www.mozilla.org/be/ content
WARNING Broken link: https://www.mozilla.org/ia/ content
WARNING https://www.googletagmanager.com/gtm.js?id=GTM-MW3...: 59 KB unused (48%) performance
WARNING No accessibility statement detected compliance
WARNING Broken link: https://www.mozilla.org/az/ content
WARNING Broken link: https://www.mozilla.org/pt-BR/ content
WARNING Broken link: https://www.mozilla.org/sl/ content
WARNING https://www.googletagmanager.com/gtag/js?id=G-MQ77...: 473ms CPU time performance
WARNING Broken link: https://www.mozilla.org/pl/ content
WARNING Broken link: https://www.mozilla.org/si/ content
WARNING 2 field(s) missing recommended autocomplete attribute accessibility
WARNING Broken link: https://www.mozilla.org/id/ content
WARNING Unattributable: 593ms CPU time performance
WARNING Broken link: https://www.mozilla.org/media/protocol/img/logos/firefox/... content
WARNING 1 field(s) would benefit from inputmode attribute accessibility
WARNING Broken link: https://www.mozilla.org/ka/ content
WARNING Broken link: https://www.mozilla.org/nb-NO/ content
WARNING Broken link: https://www.mozilla.org/sk/ content
WARNING https://www.mozilla.org/en-US/: 562ms CPU time performance
WARNING Broken link: https://www.mozilla.org/bs/ content
WARNING Broken link: https://www.mozilla.org/bn/ content
WARNING Broken link: https://www.mozilla.org/cs/ content
WARNING Broken link: https://www.mozilla.org/is/ content
WARNING Broken link: https://www.mozilla.org/nl/ content
WARNING https://transcend-cdn.com/cm/d556c3a1-e57c-4bdf-a4...: 345ms CPU time performance
WARNING No meta description tag found seo
WARNING Broken link: https://www.mozilla.org/bg/ content
WARNING Broken link: https://www.mozilla.org/it/ content
WARNING Broken link: https://www.mozilla.org/nn-NO/ content
WARNING Broken link: https://www.mozilla.org/pa-IN/ content
CRITICAL 'unsafe-eval' found in script source security
CRITICAL 'unsafe-inline' found in script source security
WARNING HSTS is missing includeSubDomains security
WARNING Skip navigation link is missing (WCAG 2.4.1) accessibility
WARNING 8 link(s) open in new tab without warning accessibility
WARNING Title is only 7 characters — consider expanding seo
WARNING External script from transcend-cdn.com lacks integrity attribute security
WARNING Privacy Policy not detected compliance
WARNING Permissions-Policy header is missing security
WARNING Cross-Origin-Embedder-Policy header is missing security
WARNING No DMARC record found security
WARNING 1 empty heading(s) accessibility
WARNING No Permissions-Policy header security
WARNING https://transcend-cdn.com/cm/d556c3a1-e57c-4bdf-a4...: 45 KB unused (46%) performance
WARNING Canonical does not match final URL (https://www.mozilla.org) seo
WARNING CNAME record at zone apex infrastructure
WARNING External script from www.googletagmanager.com lacks integrity attribute security
WARNING https://transcend-cdn.com/cm/d556c3a1-e57c-4bdf-a4...: 28 KB unused (54%) performance
WARNING Transfer efficiency: 74% sustainability
WARNING https://www.googletagmanager.com/gtag/js?id=G-MQ77...: 70 KB unused (40%) performance
content-security-policy-report-only
frame-ancestors 'none'; default-src 'self' *.mozilla.org; img-src 'self' blog... base-uri 'none'; frame-ancestors 'none'; default-src 'self' *.mozilla.org; ob...
expires
Sat, 04 Apr 2026 18:33:44 GMT Tue, 07 Apr 2026 17:22:23 GMT
etag
"9d1d80eb6ee325cda09fa44119feb7dd" "e56f70922386251ae5ec0ef8cd0a462d"
x-backend-server
bedrock-7d48994656-jvqpv.gcp-us-west1 bedrock-7d48994656-dcb9t.gcp-us-west1
content-security-policy
frame-ancestors 'none'; default-src 'self' *.mozilla.org; img-src 'self' blog... base-uri 'none'; frame-ancestors 'none'; default-src 'self' *.mozilla.org; ob...

12 headers unchanged

Technology stack unchanged

10 technologies unchanged

Looking ahead

+16 pts
B (80) Could reach A (96)
Security +29Accessibility +18Content +15Performance +14Compliance +13SEO +5Infrastructure +4Sustainability +4

Estimate — actual results may vary (36 issues to fix)

Website improvement report — Mozilla

April 4, 2026 → April 7, 2026

C B 79 → 80 +1 pts

38

Resolved

16

New issues

20

Still remaining

Financial summary

Investment delivered

€2,784 in development time

Investment remaining

€6,304 to complete the remaining items

Ongoing risk

€0/month in ongoing exposure

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

Performance by category

MetricBeforeAfterChange
Overall score79 (C)80 (B)+1
Performance83 (B)86 (B)+3
Security71 (C)70 (C)-1
Accessibility65 (D)65 (D)0
SEO95 (A)95 (A)0
Infrastructure92 (A)93 (A)+1
Compliance83 (B)80 (B)-3
Content70 (C)85 (B)+15
Sustainability92 (A)92 (A)0

Resolved (38)

  • Third-party code accounts for 59% of page weight (457.8 KiB of 769.9 KiB) (Performance)

    → Page loads faster for users

  • 8 third-party resources (59% of weight) (Performance)

    → Page loads faster for users

  • GDPR Article 13 disclosure coverage: 0 / 8 categories (Compliance)

    → Reduced regulatory exposure

  • Broken link: https://www.firefox.com/browsers/enterprise/?utm_source=w... (Content)

    → Stronger social sharing and on-page quality

  • Broken link: https://www.mozilla.org/be/ (Content)

    → Stronger social sharing and on-page quality

  • Broken link: https://0din.ai/?utm_source=www.mozilla.org&utm_medium=re... (Content)

    → Stronger social sharing and on-page quality

  • Broken link: https://www.mozilla.org/ia/ (Content)

    → Stronger social sharing and on-page quality

  • https://www.googletagmanager.com/gtm.js?id=GTM-MW3...: 59 KB unused (48%) (Performance)

    → Page loads faster for users

  • No accessibility statement detected (Compliance)

    → Reduced regulatory exposure

  • Broken link: https://www.mozilla.org/az/ (Content)

    → Stronger social sharing and on-page quality

  • Broken link: https://www.mozilla.org/pt-BR/ (Content)

    → Stronger social sharing and on-page quality

  • Broken link: https://www.mozilla.org/sl/ (Content)

    → Stronger social sharing and on-page quality

  • https://www.googletagmanager.com/gtag/js?id=G-MQ77...: 473ms CPU time (Performance)

    → Page loads faster for users

  • Broken link: https://www.mozilla.org/pl/ (Content)

    → Stronger social sharing and on-page quality

  • Broken link: https://www.mozilla.org/si/ (Content)

    → Stronger social sharing and on-page quality

…and 23 more resolved issue(s)

Recommended next steps (36)

  • Sprint 1

    Broken link: https://www.instagram.com/mozilla/ (Content)

  • Sprint 1

    Broken link: https://www.instagram.com/firefox/ (Content)

  • Sprint 1

    Broken link: https://newproducts.mozilla.org/?utm_source=www.mozilla.o... (Content)

  • Sprint 1

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

  • Sprint 3

    'unsafe-eval' found in script source (Security)

  • Sprint 3

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

  • Sprint 3

    Third-party code accounts for 60% of page weight (459.5 KiB of 771.9 KiB) (Performance)

  • Sprint 3

    https://www.googletagmanager.com/gtm.js?id=GTM-MW3...: 60 KB unused (48%) (Performance)

  • Sprint 2

    Trackers detected but no privacy policy found (Compliance)

  • Sprint 1

    197 of 200 links are healthy (Content)

  • Sprint 3

    Third-party scripts: 1784ms (71% of total) (Performance)

  • Sprint 1

    Unattributable: 545ms CPU time (Performance)

  • Sprint 1

    https://transcend-cdn.com/cm/d556c3a1-e57c-4bdf-a4...: 338ms CPU time (Performance)

  • Sprint 1

    https://www.mozilla.org/media/js/newsletter.988c40...: 274ms CPU time (Performance)

  • Sprint 2

    Trackers detected but no cookie policy found (Compliance)

…and 21 more recommended item(s)

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