Skip to content

Changes

https://stackoverflow.com/users/login
Compared to previous audit · 20 hours ago View previous audit

Madrid, Spain → Singapore, Singapore

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

17
New issues
12
Resolved
15
score changes
CategoryPreviousCurrentChange
CompositeC (79)C (79)—
PerformanceC (79)C (79)—
SecurityB (81)B (83) +2.000
AccessibilityB (81)C (77) -4.000
SEOC (78)C (78)—
InfrastructureB (88)B (88)—
ComplianceD (61)D (61)—
ContentC (73)C (73)—
SustainabilityB (83)B (84) +1.000
MetricPreviousCurrentChange
Performance 32003400 +200
Accessibility 93009300—
Best Practices 73007300—
SEO 80008000—
PWA 00—
Desktop Performance 88008300 -500
Desktop Accessibility 93009300—
Desktop Best Practices 77007700—
Desktop SEO 80008000—
FCP 4.99 s5.01 s—
LCP 14.10 s14.51 s +407 ms
TBT 1.89 s1.48 s -404 ms
CLS 0.0000.000—
Desktop FCP 717 ms791 ms +74 ms
Desktop LCP 2.09 s2.79 s +700 ms
Desktop TBT 104 ms48 ms -56 ms
Desktop CLS 0.0000.000—
TTFB †270 ms246 ms -24 ms
DNS †3 ms29 ms +26 ms
TLS †8 ms23 ms +15 ms
Connect †1 ms17 ms +16 ms
Total †293 ms256 ms -37 ms

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

CRITICAL No favicon or icon links detected accessibility
WARNING https://securepubads.g.doubleclick.net/pagead/mana...: 141 KB unused (74%) performance
WARNING https://cdn.cookielaw.org/scripttemplates/202603.1...: 74 KB unused (57%) performance
WARNING Page weight 1.8 MB exceeds 1 MB target by 787 KB performance
WARNING 41 third-party resources (70% of weight) performance
WARNING Unexpected status code: HTTP 403 accessibility
WARNING No favicon.ico at site root accessibility
WARNING Unattributable: 584ms CPU time performance
WARNING https://stackoverflow.com/Content/Js/islands/homep...: 308ms CPU time performance
WARNING https://stackoverflow.com/users/login: 294ms CPU time performance
WARNING Third-party code accounts for 70% of page weight (1.2 MiB of 1.8 MiB) performance
WARNING Third-party scripts: 2682ms (68% of total) performance
WARNING https://edge.aditude.io/prebid/9.30.0.js?fork=1&v=...: 101 KB unused (74%) performance
WARNING Total JS execution time is 4.0 s -- over the 3.5s budget performance
WARNING https://cdn.cookielaw.org/scripttemplates/202603.1...: 581ms CPU time performance
WARNING 1 render-blocking <script src> tag(s) without async/defer performance
WARNING Transfer efficiency: 61% sustainability
WARNING https://cdn.cookielaw.org/scripttemplates/202603.1...: 79 KB unused (61%) performance
WARNING Page weight 1.6 MB exceeds 1 MB target by 636 KB performance
WARNING Transfer efficiency: 58% sustainability
WARNING https://www.googletagmanager.com/gtag/js?id=G-WCZ0...: 357ms CPU time performance
WARNING https://stackoverflow.com/users/login: 472ms CPU time performance
WARNING https://stackoverflow.com/cdn-cgi/challenge-platfo...: 374ms CPU time performance
WARNING https://securepubads.g.doubleclick.net/pagead/mana...: 141 KB unused (75%) performance
WARNING 47 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: 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
CRITICAL Scan returned a Cloudflare bot-protection interstitial, not the actual page security
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 External script from challenges.cloudflare.com lacks integrity attribute security
WARNING https://stackoverflow.com/Content/Js/full-anon.en....: 95 KB unused (74%) performance
WARNING Registrar lock is NOT enabled infrastructure
WARNING X-Content-Type-Options header is missing security
WARNING form-action directive is missing security
WARNING Dead-end page — no outgoing internal links seo
WARNING Permissions-Policy header is missing security
WARNING default-src directive is missing security
WARNING No Open Graph meta tags found content
WARNING Cookie 'prov' has no SameSite attribute security
WARNING JavaScript is 1.3 MB — consider code splitting or lazy loading performance
WARNING https://accounts.google.com/gsi/client: 72 KB unused (75%) performance
WARNING No meta description tag found seo
WARNING Thin content — only 47 words seo
WARNING Cookie '__cf_bm' has no SameSite attribute security
WARNING Cross-Origin-Embedder-Policy header is missing security
WARNING 2 link(s) open in new tab without warning accessibility
WARNING Title is only 16 characters — consider expanding seo
WARNING GDPR Article 13 disclosure coverage: 0 / 8 categories compliance
WARNING No accessibility statement detected compliance
WARNING Referrer-Policy header is missing security
WARNING Cross-Origin-Opener-Policy header is missing security
WARNING base-uri directive is missing security
WARNING No <nav> landmark found accessibility
WARNING No canonical tag found seo
WARNING No internal links found seo
WARNING Skip navigation link is missing (WCAG 2.4.1) accessibility
WARNING Terms of Service not detected compliance
x-worker-origin-response-time
240000000 → 151000000
set-cookie
prov=539c3540-63e5-420e-9e4d-15c4e4b2b522; expires=Sun, 09 May 2027 12:54:40 ... → prov=4d4b16c4-ad0e-4f81-94e5-c668910107c6; expires=Mon, 10 May 2027 08:57:32 ...
x-request-guid
fb28a81b-b5ec-4122-9762-cadc0c56d098 → 280cc563-6af5-4cb0-a7f8-3e3b9905b8f4

11 headers unchanged

Technology stack unchanged

10 technologies unchanged

Looking ahead

+16 pts
C (79) Could reach A (95)
Performance +21SEO +20Accessibility +18Compliance +18Security +17Content +4Infrastructure +4Sustainability +4

Estimate — actual results may vary (50 issues to fix)

Website improvement report — Stackoverflow

May 9, 2026 → May 10, 2026

C C 79 → 79 0 pts

12

Resolved

17

New issues

33

Still remaining

Financial summary

Investment delivered

$3,600 in development time

Investment remaining

$10,258 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)79 (C)0
Performance79 (C)79 (C)0
Security81 (B)83 (B)+2
Accessibility81 (B)77 (C)-4
SEO78 (C)78 (C)0
Infrastructure88 (B)88 (B)0
Compliance61 (D)61 (D)0
Content73 (C)73 (C)0
Sustainability83 (B)84 (B)+1

Resolved (12)

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

    → Page loads faster for users

  • Page weight 1.6 MB exceeds 1 MB target by 636 KB (Performance)

    → Page loads faster for users

  • Transfer efficiency: 58% (Sustainability)

    → Lower carbon footprint per page view

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

    → Page loads faster for users

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

    → Page loads faster for users

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

    → Page loads faster for users

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

    → Page loads faster for users

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

    → Page loads faster for users

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

    → Page loads faster for users

  • Unattributable: 833ms CPU time (Performance)

    → Page loads faster for users

  • https://stackoverflow.com/Content/Js/islands/homep...: 450ms CPU time (Performance)

    → Page loads faster for users

  • https://edge.aditude.io/prebid/9.30.0.js?fork=1&v=...: 94 KB unused (69%) (Performance)

    → Page loads faster for users

Recommended next steps (50)

  • Sprint 1

    No favicon or icon links detected (Accessibility)

  • Sprint 1

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

  • 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 3

    https://securepubads.g.doubleclick.net/pagead/mana...: 141 KB unused (74%) (Performance)

  • Sprint 3

    https://cdn.cookielaw.org/scripttemplates/202603.1...: 74 KB unused (57%) (Performance)

  • Sprint 2

    Page weight 1.8 MB exceeds 1 MB target by 787 KB (Performance)

  • Sprint 1

    41 third-party resources (70% of weight) (Performance)

  • Sprint 2

    Unexpected status code: HTTP 403 (Accessibility)

  • Sprint 1

    No favicon.ico at site root (Accessibility)

  • Sprint 1

    Unattributable: 584ms CPU time (Performance)

  • Sprint 1

    https://stackoverflow.com/Content/Js/islands/homep...: 308ms CPU time (Performance)

  • Sprint 1

    https://stackoverflow.com/users/login: 294ms CPU time (Performance)

…and 35 more recommended item(s)

Send Feedback