Changes
Madrid, Spain → New York, United Stated
These audits ran from different locations. Timing metrics (TTFB, DNS, TLS) may reflect network path differences rather than site changes.
| Category | Previous | Current | Change |
|---|---|---|---|
| Composite | A (92) | A (93) | +1.000 |
| Performance | A+ (97) | A+ (97) | — |
| Security | A (93) | A (94) | +1.000 |
| Accessibility | A (90) | A (90) | — |
| SEO | A (94) | A (94) | — |
| Infrastructure | B (88) | A (90) | +2.000 |
| Compliance | B (85) | B (85) | — |
| Content | B (83) | B (85) | +2.000 |
| Sustainability | A+ (98) | A+ (98) | — |
| Metric | Previous | Current | Change |
|---|---|---|---|
| Performance | 7600 | 9300 | +1700 |
| Accessibility | 9600 | 9600 | — |
| Best Practices | 10000 | 10000 | — |
| SEO | 9100 | 9100 | — |
| PWA | 0 | 0 | — |
| Desktop Performance | 9900 | 9900 | — |
| Desktop Accessibility | 9600 | 9600 | — |
| Desktop Best Practices | 10000 | 10000 | — |
| Desktop SEO | 9200 | 9200 | — |
| FCP | 1.77 s | 1.06 s | -713 ms |
| LCP | 4.31 s | 3.05 s | -1.26 s |
| TBT | 354 ms | 126 ms | -228 ms |
| CLS | 0.000 | 0.000 | — |
| Desktop FCP | 582 ms | 550 ms | -32 ms |
| Desktop LCP | 952 ms | 980 ms | +28 ms |
| Desktop TBT | 19 ms | 0 ms | -19 ms |
| Desktop CLS | 0.000 | 0.000 | — |
| TTFB † | 576 ms | 448 ms | -128 ms |
| DNS † | 31 ms | 40 ms | +9 ms |
| TLS † | 10 ms | 24 ms | +14 ms |
| Connect † | 2 ms | 17 ms | +15 ms |
| Total † | 670 ms | 646 ms | -24 ms |
† Timing metrics may vary by worker location and do not necessarily indicate site changes.
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-dusE9ahaTRFqrElp8cAlyA==' https:... → default-src 'self'; script-src 'self' 'nonce-h6Pyg/ohyGYlwmKltdp45A==' https:...15 headers unchanged
Technology stack unchanged
11 technologies unchanged
Looking ahead
+4 ptsEstimate — actual results may vary (11 issues to fix)
Website improvement report — Costdown
August 28, 2026 → August 28, 2026
10
Resolved
3
New issues
8
Still remaining
Financial summary
Investment delivered
₫1,800,000 in development time
Investment remaining
₫5,550,000 to complete the remaining items
Ongoing risk
₫2,760/month in ongoing exposure
Figures are estimates based on local developer hourly rate, industry CPC, and regulatory fine ranges.
Performance by category
| Metric | Before | After | Change |
|---|---|---|---|
| Overall score | 92 (A) | 93 (A) | +1 |
| Performance | 97 (A+) | 97 (A+) | 0 |
| Security | 93 (A) | 94 (A) | +1 |
| Accessibility | 90 (A) | 90 (A) | 0 |
| SEO | 94 (A) | 94 (A) | 0 |
| Infrastructure | 88 (B) | 90 (A) | +2 |
| Compliance | 85 (B) | 85 (B) | 0 |
| Content | 83 (B) | 85 (B) | +2 |
| Sustainability | 98 (A+) | 98 (A+) | 0 |
Resolved (10)
Unattributable: 392ms CPU time (Performance)
→ Page loads faster for users
https://costdown.org/: 634ms CPU time (Performance)
→ Page loads faster for users
https://costdown.org/_next/static/chunks/webpack-a...: 386ms CPU time (Performance)
→ Page loads faster for users
51 of 54 links are healthy (Content)
→ Stronger social sharing and on-page quality
Broken link: https://costdown.org/article/14 (Content)
→ Stronger social sharing and on-page quality
No DMARC record found (Security)
→ Reduced attack surface for visitors
No SPF record found (Security)
→ Reduced attack surface for visitors
https://costdown.org/_next/static/chunks/1255-fc6c...: 299ms CPU time (Performance)
→ Page loads faster for users
Broken link: https://costdown.org/article/2 (Content)
→ Stronger social sharing and on-page quality
Broken link: https://costdown.org/article/5 (Content)
→ Stronger social sharing and on-page quality
Recommended next steps (11)
- Sprint 1
Both www and non-www versions serve content (Infrastructure)
- Sprint 1
DMARC policy is none — monitoring only (Security)
- Sprint 1
https://costdown.org/: 272ms CPU time (Performance)
- Sprint 2
1 render-blocking <script src> tag(s) without async/defer (Performance)
- 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 1
X-Powered-By header reveals technology stack (Security)
- Sprint 2
All 1 images use legacy formats (JPEG/PNG/GIF) (Content)
- Sprint 1
Skip navigation link is missing (WCAG 2.4.1) (Accessibility)