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Changes

https://costdown.org
Compared to previous audit · 8 minutes ago View previous audit

Madrid, Spain → Amsterdam, Netherlands

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

2
New issues
5
Resolved
16
score changes
CategoryPreviousCurrentChange
CompositeA (92)A (93) +1.000
PerformanceA (95)A+ (97) +2.000
SecurityA (93)A (93)—
AccessibilityA (90)A (90)—
SEOA+ (97)A+ (97)—
InfrastructureB (83)A (90) +7.000
ComplianceB (85)B (85)—
ContentB (85)B (85)—
SustainabilityA+ (98)A+ (98)—
MetricPreviousCurrentChange
Performance 79009500 +1600
Accessibility 96009600—
Best Practices 1000010000—
SEO 91009100—
PWA 00—
Desktop Performance 99009800 -100
Desktop Accessibility 96009600—
Desktop Best Practices 1000010000—
Desktop SEO 92009200—
FCP 1.37 s1.24 s -128 ms
LCP 3.49 s2.89 s -596 ms
TBT 456 ms87 ms -370 ms
CLS 0.0000.000—
Desktop FCP 516 ms546 ms +30 ms
Desktop LCP 1.02 s1.05 s +31 ms
Desktop TBT 35 ms0 ms -35 ms
Desktop CLS 0.0000.000—
TTFB †179 ms381 ms +201 ms
DNS †19 ms36 ms +17 ms
TLS †8 ms23 ms +15 ms
Connect †3 ms17 ms +14 ms
Total †474 ms464 ms -10 ms

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

WARNING 1 render-blocking <script src> tag(s) without async/defer performance
WARNING https://costdown.org/: 319ms CPU time performance
WARNING Unattributable: 358ms CPU time performance
WARNING https://costdown.org/_next/static/chunks/4bd1b696-...: 323ms CPU time performance
WARNING IPv6 DNS records exist but server is not reachable infrastructure
WARNING https://costdown.org/: 892ms CPU time performance
WARNING https://costdown.org/_next/static/chunks/1255-fc6c...: 324ms CPU time performance
CRITICAL Both www and non-www versions serve content infrastructure
WARNING X-Powered-By header reveals technology stack security
WARNING No SPF record found security
WARNING Skip navigation link is missing (WCAG 2.4.1) accessibility
WARNING Registrar lock is NOT enabled infrastructure
WARNING No accessibility statement detected compliance
WARNING 1 images significantly larger than display size content
WARNING Cross-Origin-Embedder-Policy header is missing security
WARNING No DMARC record found security
WARNING All 1 images use legacy formats (JPEG/PNG/GIF) content
link
</_next/static/media/62c97acc3aa63787-s.p.woff2>; rel=preload; as="font"; cro... → </_next/static/media/62c97acc3aa63787-s.p.woff2>; rel=preload; as="font"; cro...
content-security-policy
default-src 'self'; script-src 'self' 'nonce-JdZmv6kbbkCm8wwEigumKw==' https:... → default-src 'self'; script-src 'self' 'nonce-rkElveg+Vklz1XoDq9CjEg==' https:...

15 headers unchanged

Technology stack unchanged

11 technologies unchanged

Looking ahead

+5 pts
A (93) Could reach A+ (98)
Infrastructure +10Content +8Security +7Accessibility +4Compliance +4Performance +3

Estimate — actual results may vary (12 issues to fix)

Website improvement report — Costdown

August 27, 2026 → August 27, 2026

A A 92 → 93 +1 pts

5

Resolved

2

New issues

10

Still remaining

Financial summary

Investment delivered

₫600,000 in development time

Investment remaining

₫6,150,000 to complete the remaining items

Ongoing risk

₫3,387/month in ongoing exposure

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

Performance by category

MetricBeforeAfterChange
Overall score92 (A)93 (A)+1
Performance95 (A)97 (A+)+2
Security93 (A)93 (A)0
Accessibility90 (A)90 (A)0
SEO97 (A+)97 (A+)0
Infrastructure83 (B)90 (A)+7
Compliance85 (B)85 (B)0
Content85 (B)85 (B)0
Sustainability98 (A+)98 (A+)0

Resolved (5)

  • Unattributable: 358ms CPU time (Performance)

    → Page loads faster for users

  • https://costdown.org/_next/static/chunks/4bd1b696-...: 323ms CPU time (Performance)

    → Page loads faster for users

  • IPv6 DNS records exist but server is not reachable (Infrastructure)

    → More reliable delivery

  • https://costdown.org/: 892ms CPU time (Performance)

    → Page loads faster for users

  • https://costdown.org/_next/static/chunks/1255-fc6c...: 324ms CPU time (Performance)

    → Page loads faster for users

Recommended next steps (12)

  • Sprint 1

    Both www and non-www versions serve content (Infrastructure)

  • Sprint 2

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

  • Sprint 1

    https://costdown.org/: 319ms CPU time (Performance)

  • Sprint 1

    X-Powered-By header reveals technology stack (Security)

  • Sprint 1

    No SPF record found (Security)

  • Sprint 1

    Skip navigation link is missing (WCAG 2.4.1) (Accessibility)

  • Sprint 1

    Registrar lock is NOT enabled (Infrastructure)

  • Sprint 1

    No accessibility statement detected (Compliance)

  • Sprint 2

    1 images significantly larger than display size (Content)

  • Sprint 2

    Cross-Origin-Embedder-Policy header is missing (Security)

  • Sprint 2

    No DMARC record found (Security)

  • Sprint 2

    All 1 images use legacy formats (JPEG/PNG/GIF) (Content)

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