Changes
New York, United Stated → Madrid, Spain
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 (90) | A (91) | +1.000 |
| Performance | A (96) | A+ (97) | +1.000 |
| Security | B (89) | B (89) | — |
| Accessibility | A (90) | A (90) | — |
| SEO | A (95) | A (95) | — |
| Infrastructure | A (90) | B (89) | -1.000 |
| Compliance | D (63) | B (82) | +19.000 |
| Content | B (85) | B (85) | — |
| Sustainability | A+ (98) | A+ (98) | — |
| Metric | Previous | Current | Change |
|---|---|---|---|
| Performance | 9000 | 6200 | -2800 |
| 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 | 1.10 s | 2.66 s | +1.56 s |
| LCP | 3.58 s | 5.15 s | +1.57 s |
| TBT | 89 ms | 445 ms | +356 ms |
| CLS | 0.000 | 0.000 | — |
| Desktop FCP | 541 ms | 588 ms | +47 ms |
| Desktop LCP | 893 ms | 951 ms | +58 ms |
| Desktop TBT | 0 ms | 4 ms | +4 ms |
| Desktop CLS | 0.000 | 0.000 | — |
| TTFB † | 286 ms | 537 ms | +251 ms |
| DNS † | 36 ms | 10 ms | -25 ms |
| TLS † | 23 ms | 11 ms | -11 ms |
| Connect † | 17 ms | 2 ms | -15 ms |
| Total † | 532 ms | 629 ms | +97 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-JIdDQnx5Sdh/YXfVkX7jzg==' https:... → default-src 'self'; script-src 'self' 'nonce-fY8UdcavBgndB53IyUTo2A==' https:...13 headers unchanged
Technology stack unchanged
11 technologies unchanged
Looking ahead
+6 ptsEstimate — actual results may vary (18 issues to fix)
Website improvement report — Costdown
August 27, 2026 → August 27, 2026
4
Resolved
5
New issues
13
Still remaining
Financial summary
Investment delivered
₫1,800,000 in development time
Investment remaining
₫6,600,000 to complete the remaining items
Ongoing risk
₫3,437/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 | 90 (A) | 91 (A) | +1 |
| Performance | 96 (A) | 97 (A+) | +1 |
| Security | 89 (B) | 89 (B) | 0 |
| Accessibility | 90 (A) | 90 (A) | 0 |
| SEO | 95 (A) | 95 (A) | 0 |
| Infrastructure | 90 (A) | 89 (B) | -1 |
| Compliance | 63 (D) | 82 (B) | +19 |
| Content | 85 (B) | 85 (B) | 0 |
| Sustainability | 98 (A+) | 98 (A+) | 0 |
Resolved (4)
https://costdown.org/_next/static/chunks/1255-fc6c...: 889ms CPU time (Performance)
→ Page loads faster for users
No privacy policy link detected in the page (Compliance)
→ Reduced regulatory exposure
https://costdown.org/: 304ms CPU time (Performance)
→ Page loads faster for users
Terms of Service not detected (Compliance)
→ Reduced regulatory exposure
Recommended next steps (18)
- Sprint 1
Both www and non-www versions serve content (Infrastructure)
- Sprint 1
https://costdown.org/_next/static/chunks/webpack-a...: 305ms CPU time (Performance)
- Sprint 1
https://costdown.org/_next/static/chunks/1255-fc6c...: 255ms CPU time (Performance)
- Sprint 1
https://costdown.org/: 570ms CPU time (Performance)
- Sprint 1
Unattributable: 346ms CPU time (Performance)
- Sprint 2
1 render-blocking <script src> tag(s) without async/defer (Performance)
- Sprint 1
X-Powered-By header reveals technology stack (Security)
- Sprint 1
Registrar lock is NOT enabled (Infrastructure)
- Sprint 1
Cross-Origin-Opener-Policy header is missing (Security)
- Sprint 2
Cross-Origin-Embedder-Policy header is missing (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 1
Permissions-Policy header is missing (Security)
- Sprint 1
No accessibility statement detected (Compliance)
…and 3 more recommended item(s)