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Changes

https://stackoverflow.com/users/login
Compared to previous audit · 2 hours ago View previous audit

Singapore, Singapore → New York, United Stated

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

16
New issues
12
Resolved
13
score changes
CategoryPreviousCurrentChange
CompositeB (80)C (79) -1.000
PerformanceC (79)C (79)—
SecurityB (84)B (81) -3.000
AccessibilityB (81)B (81)—
SEOC (78)C (78)—
InfrastructureB (88)B (88)—
ComplianceD (61)D (61)—
ContentC (73)C (73)—
SustainabilityB (83)B (83)—
MetricPreviousCurrentChange
Performance 42003200 -1000
Accessibility 93009300—
Best Practices 73007300—
SEO 80008000—
PWA 00—
Desktop Performance 88008800—
Desktop Accessibility 93009300—
Desktop Best Practices 77007700—
Desktop SEO 80008000—
FCP 2.97 s4.99 s +2.02 s
LCP 9.09 s14.10 s +5.00 s
TBT 1.80 s1.89 s +90 ms
CLS 0.0000.000—
Desktop FCP 711 ms717 ms—
Desktop LCP 2.26 s2.09 s -166 ms
Desktop TBT 60 ms104 ms +45 ms
Desktop CLS 0.0160.000 -0.016
TTFB †78 ms270 ms +193 ms
DNS †3 ms3 ms—
TLS †6 ms8 ms +2 ms
Connect †1 ms1 ms -0 ms
Total †79 ms293 ms +214 ms

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

CRITICAL Scan returned a Cloudflare bot-protection interstitial, not the actual page security
WARNING https://stackoverflow.com/cdn-cgi/challenge-platfo...: 374ms CPU time performance
WARNING Total JS execution time is 5.1 s -- over the 3.5s budget performance
WARNING Transfer efficiency: 58% sustainability
WARNING Third-party scripts: 3197ms (62% of total) performance
WARNING https://cdn.cookielaw.org/scripttemplates/202603.1...: 79 KB unused (61%) performance
WARNING https://stackoverflow.com/users/login: 472ms CPU time performance
WARNING https://www.googletagmanager.com/gtag/js?id=G-WCZ0...: 357ms CPU time performance
WARNING https://securepubads.g.doubleclick.net/pagead/mana...: 141 KB unused (75%) performance
WARNING 1 render-blocking <script src> tag(s) without async/defer performance
WARNING https://accounts.google.com/gsi/client: 72 KB unused (75%) performance
WARNING Page weight 1.6 MB exceeds 1 MB target by 636 KB performance
WARNING 47 third-party resources (67% of weight) performance
WARNING Unattributable: 833ms CPU time performance
WARNING https://stackoverflow.com/Content/Js/islands/homep...: 450ms CPU time performance
WARNING https://edge.aditude.io/prebid/9.30.0.js?fork=1&v=...: 94 KB unused (69%) performance
WARNING https://stackoverflow.com/Content/Js/islands/homep...: 409ms CPU time performance
WARNING https://edge.aditude.io/prebid/9.30.0.js?fork=1&v=...: 92 KB unused (68%) performance
WARNING Page weight 1.6 MB exceeds 1 MB target by 663 KB performance
WARNING https://stackoverflow.com/users/login: 646ms CPU time performance
WARNING 48 third-party resources (67% of weight) performance
WARNING https://www.googletagmanager.com/gtag/js?id=G-WCZ0...: 332ms CPU time performance
WARNING Unattributable: 436ms CPU time performance
WARNING https://securepubads.g.doubleclick.net/pagead/mana...: 142 KB unused (75%) performance
WARNING Transfer efficiency: 56% sustainability
WARNING https://stackoverflow.com/cdn-cgi/challenge-platfo...: 313ms CPU time performance
WARNING https://cdn.cookielaw.org/scripttemplates/202603.1...: 77 KB unused (59%) performance
WARNING https://accounts.google.com/gsi/client: 71 KB unused (75%) performance
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
CRITICAL Cookie '__cflb' is missing the Secure flag security
WARNING No meta description tag found seo
WARNING No internal links found seo
WARNING Cookie 'prov' has no SameSite attribute security
WARNING Cookie '__cf_bm' has no SameSite attribute security
WARNING No <nav> landmark found accessibility
WARNING JavaScript is 1.3 MB — consider code splitting or lazy loading performance
WARNING Thin content — only 47 words seo
WARNING No accessibility statement detected compliance
WARNING Referrer-Policy header is missing security
WARNING Permissions-Policy header is missing security
WARNING GDPR Article 13 disclosure coverage: 0 / 8 categories compliance
WARNING form-action directive is missing security
WARNING X-Content-Type-Options header is missing security
WARNING base-uri directive is missing security
WARNING https://stackoverflow.com/Content/Js/full-anon.en....: 95 KB unused (74%) performance
WARNING Title is only 16 characters — consider expanding seo
WARNING Terms of Service not detected compliance
WARNING default-src directive is missing security
WARNING External script from challenges.cloudflare.com lacks integrity attribute security
WARNING 2 link(s) open in new tab without warning accessibility
WARNING No canonical tag found seo
WARNING Cross-Origin-Opener-Policy header is missing security
WARNING Skip navigation link is missing (WCAG 2.4.1) accessibility
WARNING Dead-end page — no outgoing internal links seo
WARNING Registrar lock is NOT enabled infrastructure
WARNING No Open Graph meta tags found content
WARNING Cross-Origin-Embedder-Policy header is missing security
WARNING Third-party code accounts for 67% of page weight (1.1 MiB of 1.6 MiB) performance
set-cookie
prov=e543e221-1267-4c3b-809f-1e33dab00834; expires=Sun, 09 May 2027 10:05:49 ... → prov=539c3540-63e5-420e-9e4d-15c4e4b2b522; expires=Sun, 09 May 2027 12:54:40 ...
x-request-guid
42934c03-c358-488c-8980-5fdf12b960a0 → fb28a81b-b5ec-4122-9762-cadc0c56d098
x-worker-origin-response-time
52000000 → 240000000

11 headers unchanged

Technology stack unchanged

10 technologies unchanged

Looking ahead

+16 pts
C (79) Could reach A (95)
Performance +21SEO +20Security +19Compliance +18Accessibility +10Content +4Infrastructure +4Sustainability +4

Estimate — actual results may vary (48 issues to fix)

Website improvement report — Stackoverflow

May 9, 2026 → May 9, 2026

B C 80 → 79 -1 pts

12

Resolved

16

New issues

32

Still remaining

Financial summary

Investment delivered

$3,600 in development time

Investment remaining

$10,092 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 score80 (B)79 (C)-1
Performance79 (C)79 (C)0
Security84 (B)81 (B)-3
Accessibility81 (B)81 (B)0
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 (12)

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

    → Page loads faster for users

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

    → Page loads faster for users

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

    → Page loads faster for users

  • https://stackoverflow.com/users/login: 646ms CPU time (Performance)

    → Page loads faster for users

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

    → Page loads faster for users

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

    → Page loads faster for users

  • Unattributable: 436ms CPU time (Performance)

    → Page loads faster for users

  • https://securepubads.g.doubleclick.net/pagead/mana...: 142 KB unused (75%) (Performance)

    → Page loads faster for users

  • Transfer efficiency: 56% (Sustainability)

    → Lower carbon footprint per page view

  • https://stackoverflow.com/cdn-cgi/challenge-platfo...: 313ms CPU time (Performance)

    → Page loads faster for users

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

    → Page loads faster for users

  • https://accounts.google.com/gsi/client: 71 KB unused (75%) (Performance)

    → Page loads faster for users

Recommended next steps (48)

  • Sprint 1

    Scan returned a Cloudflare bot-protection interstitial, not the actual page (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

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

  • Sprint 1

    https://stackoverflow.com/cdn-cgi/challenge-platfo...: 374ms CPU time (Performance)

  • Sprint 2

    Total JS execution time is 5.1 s -- over the 3.5s budget (Performance)

  • Sprint 1

    Transfer efficiency: 58% (Sustainability)

  • Sprint 3

    Third-party scripts: 3197ms (62% of total) (Performance)

  • Sprint 3

    https://cdn.cookielaw.org/scripttemplates/202603.1...: 79 KB unused (61%) (Performance)

  • Sprint 1

    https://stackoverflow.com/users/login: 472ms CPU time (Performance)

  • Sprint 1

    https://www.googletagmanager.com/gtag/js?id=G-WCZ0...: 357ms CPU time (Performance)

  • Sprint 3

    https://securepubads.g.doubleclick.net/pagead/mana...: 141 KB unused (75%) (Performance)

  • Sprint 2

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

  • Sprint 3

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

…and 33 more recommended item(s)

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