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Changes

https://stackoverflow.com/users/login
Compared to previous audit · 30 minutes ago View previous audit

New York, United Stated → Madrid, Spain

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

16
New issues
13
Resolved
19
score changes
CategoryPreviousCurrentChange
CompositeC (79)B (80) +1.000
PerformanceB (80)C (79) -1.000
SecurityB (84)B (84)—
AccessibilityC (76)B (81) +5.000
SEOC (78)C (78)—
InfrastructureB (88)B (88)—
ComplianceD (61)D (61)—
ContentC (73)C (73)—
SustainabilityB (83)B (83)—
MetricPreviousCurrentChange
Performance 46004200 -400
Accessibility 90009300 +300
Best Practices 73007300—
SEO 80008000—
PWA 00—
Desktop Performance 98008800 -1000
Desktop Accessibility 90009300 +300
Desktop Best Practices 77007700—
Desktop SEO 80008000—
FCP 4.85 s2.97 s -1.88 s
LCP 11.76 s9.09 s -2.67 s
TBT 655 ms1.80 s +1.14 s
CLS 0.0000.000—
Desktop FCP 847 ms711 ms -136 ms
Desktop LCP 925 ms2.26 s +1.34 s
Desktop TBT 14 ms60 ms +46 ms
Desktop CLS 0.0000.016 +0.016
TTFB †325 ms78 ms -248 ms
DNS †31 ms3 ms -28 ms
TLS †21 ms6 ms -15 ms
Connect †16 ms1 ms -15 ms
Total †335 ms79 ms -256 ms

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

WARNING https://stackoverflow.com/Content/Js/islands/homep...: 409ms CPU time performance
WARNING 1 render-blocking <script src> tag(s) without async/defer performance
WARNING Total JS execution time is 4.6 s -- over the 3.5s budget performance
WARNING Transfer efficiency: 56% sustainability
WARNING https://edge.aditude.io/prebid/9.30.0.js?fork=1&v=...: 92 KB unused (68%) performance
WARNING https://www.googletagmanager.com/gtag/js?id=G-WCZ0...: 332ms CPU time performance
WARNING https://cdn.cookielaw.org/scripttemplates/202603.1...: 77 KB unused (59%) performance
WARNING Page weight 1.6 MB exceeds 1 MB target by 663 KB performance
WARNING 48 third-party resources (67% of weight) performance
WARNING Third-party code accounts for 67% of page weight (1.1 MiB of 1.6 MiB) performance
WARNING Unattributable: 436ms CPU time performance
WARNING Third-party scripts: 2633ms (57% of total) performance
WARNING https://accounts.google.com/gsi/client: 71 KB unused (75%) performance
WARNING https://stackoverflow.com/cdn-cgi/challenge-platfo...: 313ms CPU time performance
WARNING JavaScript is 1.3 MB — consider code splitting or lazy loading performance
WARNING https://stackoverflow.com/users/login: 646ms CPU time performance
CRITICAL No favicon or icon links detected accessibility
WARNING No favicon.ico at site root accessibility
WARNING Third-party code accounts for 62% of page weight (909.2 KiB of 1.4 MiB) performance
WARNING JavaScript is 1.2 MB — consider code splitting or lazy loading performance
WARNING https://raven-static.aditude.io/prod/1.20.0-69wxiu...: 63 KB unused (60%) performance
WARNING Transfer efficiency: 57% sustainability
WARNING Unexpected status code: HTTP 403 accessibility
WARNING 31 third-party resources (62% of weight) performance
WARNING https://accounts.google.com/gsi/client: 72 KB unused (75%) performance
WARNING Unattributable: 314ms CPU time performance
WARNING https://edge.aditude.io/prebid/9.30.0.js?fork=1&v=...: 100 KB unused (74%) performance
WARNING https://stackoverflow.com/Content/Js/islands/homep...: 254ms CPU time performance
WARNING Page weight 1.4 MB exceeds 1 MB target by 436 KB performance
CRITICAL Cookie '__cflb' is missing the Secure flag security
CRITICAL Page has only 47 words — nearly empty seo
CRITICAL 4 non-essential cookie(s) set without consent banner compliance
CRITICAL Cookie 'prov' is missing the Secure flag security
WARNING Dead-end page — no outgoing internal links seo
WARNING GDPR Article 13 disclosure coverage: 0 / 8 categories compliance
WARNING No <nav> landmark found accessibility
WARNING X-Content-Type-Options header is missing security
WARNING https://stackoverflow.com/Content/Js/full-anon.en....: 95 KB unused (74%) performance
WARNING Cross-Origin-Embedder-Policy header is missing security
WARNING default-src directive is missing security
WARNING Thin content — only 47 words seo
WARNING No internal links found seo
WARNING Permissions-Policy header is missing security
WARNING Cookie 'prov' has no SameSite attribute security
WARNING 2 link(s) open in new tab without warning accessibility
WARNING No accessibility statement detected compliance
WARNING https://securepubads.g.doubleclick.net/pagead/mana...: 142 KB unused (75%) performance
WARNING Title is only 16 characters — consider expanding seo
WARNING No meta description tag found seo
WARNING No Open Graph meta tags found content
WARNING Cross-Origin-Opener-Policy header is missing security
WARNING base-uri directive is missing security
WARNING No canonical tag found seo
WARNING Cookie '__cf_bm' has no SameSite attribute security
WARNING Skip navigation link is missing (WCAG 2.4.1) accessibility
WARNING Registrar lock is NOT enabled infrastructure
WARNING Terms of Service not detected compliance
WARNING External script from challenges.cloudflare.com lacks integrity attribute security
WARNING form-action directive is missing security
WARNING Referrer-Policy header is missing security
x-request-guid
3eb96711-3e96-4e8a-bfe0-5f6554e5d518 → 42934c03-c358-488c-8980-5fdf12b960a0
set-cookie
prov=68c8fa43-81b8-4342-8254-c394de75efec; expires=Sun, 09 May 2027 09:35:48 ... → prov=e543e221-1267-4c3b-809f-1e33dab00834; expires=Sun, 09 May 2027 10:05:49 ...
x-worker-origin-response-time
228000000 → 52000000

11 headers unchanged

Technology stack unchanged

10 technologies unchanged

Looking ahead

+15 pts
B (80) Could reach A (95)
Performance +21SEO +20Compliance +18Security +16Accessibility +10Content +4Infrastructure +4Sustainability +4

Estimate — actual results may vary (47 issues to fix)

Website improvement report — Stackoverflow

May 9, 2026 → May 9, 2026

C B 79 → 80 +1 pts

13

Resolved

16

New issues

31

Still remaining

Financial summary

Investment delivered

$4,567 in development time

Investment remaining

$10,042 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 score79 (C)80 (B)+1
Performance80 (B)79 (C)-1
Security84 (B)84 (B)0
Accessibility76 (C)81 (B)+5
SEO78 (C)78 (C)0
Infrastructure88 (B)88 (B)0
Compliance61 (D)61 (D)0
Content73 (C)73 (C)0
Sustainability83 (B)83 (B)0

Resolved (13)

  • No favicon.ico at site root (Accessibility)

    → Improved usability for assistive technology users

  • Third-party code accounts for 62% of page weight (909.2 KiB of 1.4 MiB) (Performance)

    → Page loads faster for users

  • JavaScript is 1.2 MB — consider code splitting or lazy loading (Performance)

    → Page loads faster for users

  • https://raven-static.aditude.io/prod/1.20.0-69wxiu...: 63 KB unused (60%) (Performance)

    → Page loads faster for users

  • Transfer efficiency: 57% (Sustainability)

    → Lower carbon footprint per page view

  • Unexpected status code: HTTP 403 (Accessibility)

    → Improved usability for assistive technology users

  • 31 third-party resources (62% of weight) (Performance)

    → Page loads faster for users

  • https://accounts.google.com/gsi/client: 72 KB unused (75%) (Performance)

    → Page loads faster for users

  • No favicon or icon links detected (Accessibility)

    → Improved usability for assistive technology users

  • Unattributable: 314ms CPU time (Performance)

    → Page loads faster for users

  • https://edge.aditude.io/prebid/9.30.0.js?fork=1&v=...: 100 KB unused (74%) (Performance)

    → Page loads faster for users

  • https://stackoverflow.com/Content/Js/islands/homep...: 254ms CPU time (Performance)

    → Page loads faster for users

  • Page weight 1.4 MB exceeds 1 MB target by 436 KB (Performance)

    → Page loads faster for users

Recommended next steps (47)

  • Sprint 1

    Cookie '__cflb' is missing the Secure flag (Security)

  • Sprint 3

    Page has only 47 words — nearly empty (SEO)

  • Sprint 2

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

  • Sprint 1

    Cookie 'prov' is missing the Secure flag (Security)

  • Sprint 1

    https://stackoverflow.com/Content/Js/islands/homep...: 409ms CPU time (Performance)

  • Sprint 2

    1 render-blocking <script src> tag(s) without async/defer (Performance)

  • Sprint 2

    Total JS execution time is 4.6 s -- over the 3.5s budget (Performance)

  • Sprint 1

    Transfer efficiency: 56% (Sustainability)

  • Sprint 3

    https://edge.aditude.io/prebid/9.30.0.js?fork=1&v=...: 92 KB unused (68%) (Performance)

  • Sprint 1

    https://www.googletagmanager.com/gtag/js?id=G-WCZ0...: 332ms CPU time (Performance)

  • Sprint 3

    https://cdn.cookielaw.org/scripttemplates/202603.1...: 77 KB unused (59%) (Performance)

  • Sprint 2

    Page weight 1.6 MB exceeds 1 MB target by 663 KB (Performance)

  • Sprint 1

    48 third-party resources (67% of weight) (Performance)

  • Sprint 3

    Third-party code accounts for 67% of page weight (1.1 MiB of 1.6 MiB) (Performance)

  • Sprint 1

    Unattributable: 436ms CPU time (Performance)

…and 32 more recommended item(s)

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