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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 https://costdown.org/: 319ms CPU time performance
WARNING 1 render-blocking <script src> tag(s) without async/defer performance
WARNING https://costdown.org/: 892ms CPU time performance
WARNING https://costdown.org/_next/static/chunks/1255-fc6c...: 324ms CPU time performance
WARNING https://costdown.org/_next/static/chunks/4bd1b696-...: 323ms CPU time performance
WARNING Unattributable: 358ms CPU time performance
WARNING IPv6 DNS records exist but server is not reachable infrastructure
CRITICAL Both www and non-www versions serve content infrastructure
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 Cross-Origin-Embedder-Policy header is missing security
WARNING X-Powered-By header reveals technology stack security
WARNING No DMARC record found security
WARNING No SPF record found security
WARNING 1 images significantly larger than display size content
WARNING All 1 images use legacy formats (JPEG/PNG/GIF) content
content-security-policy
default-src 'self'; script-src 'self' 'nonce-JdZmv6kbbkCm8wwEigumKw==' https:... default-src 'self'; script-src 'self' 'nonce-rkElveg+Vklz1XoDq9CjEg==' https:...
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...

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)

  • 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

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

    → Page loads faster for users

  • Unattributable: 358ms CPU time (Performance)

    → Page loads faster for users

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

    → More reliable delivery

Recommended next steps (12)

  • Sprint 1

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

  • Sprint 1

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

  • Sprint 2

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

  • 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

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

  • Sprint 1

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

  • Sprint 2

    No DMARC record found (Security)

  • Sprint 1

    No SPF record found (Security)

  • Sprint 2

    1 images significantly larger than display size (Content)

  • Sprint 2

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

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