Changes
| Category | Previous | Current | Change |
|---|---|---|---|
| Composite | A (93) | A (92) | -1.000 |
| Performance | A (96) | A+ (97) | +1.000 |
| Security | A (96) | A (96) | — |
| Accessibility | A (90) | A (90) | — |
| SEO | A (94) | A (94) | — |
| Infrastructure | A (90) | A (90) | — |
| Compliance | B (85) | C (74) | -11.000 |
| Content | B (85) | B (83) | -2.000 |
| Sustainability | A+ (98) | A+ (98) | — |
| Metric | Previous | Current | Change |
|---|---|---|---|
| Performance | 9400 | 9400 | — |
| Accessibility | 9600 | 9600 | — |
| Best Practices | 10000 | 10000 | — |
| SEO | 9100 | 9100 | — |
| PWA | 0 | 0 | — |
| Desktop Performance | 9900 | 9800 | -100 |
| Desktop Accessibility | 9600 | 9600 | — |
| Desktop Best Practices | 10000 | 10000 | — |
| Desktop SEO | 9200 | 9200 | — |
| FCP | 1.11 s | 1.12 s | +15 ms |
| LCP | 2.90 s | 3.05 s | +146 ms |
| TBT | 118 ms | 102 ms | -16 ms |
| CLS | 0.000 | 0.000 | — |
| Desktop FCP | 544 ms | 604 ms | +60 ms |
| Desktop LCP | 909 ms | 1.02 s | +109 ms |
| Desktop TBT | 0 ms | 0 ms | — |
| Desktop CLS | 0.000 | 0.000 | — |
| TTFB † | 401 ms | 495 ms | +94 ms |
| DNS † | 30 ms | 40 ms | +10 ms |
| TLS † | 25 ms | 22 ms | -3 ms |
| Connect † | 17 ms | 16 ms | -0 ms |
| Total † | 590 ms | 565 ms | -25 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-EIc3k7a2zjtclvunKcuKZg==' https:... → default-src 'self'; script-src 'self' 'nonce-trHTd7pVcrxQuXPaFa42NA==' https:...15 headers unchanged
Technology stack unchanged
11 technologies unchanged
Looking ahead
+5 ptsEstimate — actual results may vary (16 issues to fix)
Website improvement report — Costdown
August 28, 2026 → August 29, 2026
2
Resolved
7
New issues
9
Still remaining
Financial summary
Investment remaining
₫7,650,000 to complete the remaining items
Ongoing risk
₫2,850/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 | 93 (A) | 92 (A) | -1 |
| Performance | 96 (A) | 97 (A+) | +1 |
| Security | 96 (A) | 96 (A) | 0 |
| Accessibility | 90 (A) | 90 (A) | 0 |
| SEO | 94 (A) | 94 (A) | 0 |
| Infrastructure | 90 (A) | 90 (A) | 0 |
| Compliance | 85 (B) | 74 (C) | -11 |
| Content | 85 (B) | 83 (B) | -2 |
| Sustainability | 98 (A+) | 98 (A+) | 0 |
Resolved (2)
https://costdown.org/_next/static/chunks/1255-fc6c...: 764ms CPU time (Performance)
→ Page loads faster for users
https://costdown.org/: 424ms CPU time (Performance)
→ Page loads faster for users
Recommended next steps (16)
- Sprint 1
Broken link: https://costdown.org/article/5 (Content)
- Sprint 1
Broken link: https://costdown.org/article/2 (Content)
- Sprint 1
Broken link: https://costdown.org/article/14 (Content)
- Sprint 1
Both www and non-www versions serve content (Infrastructure)
- Sprint 1
50 of 53 links are healthy (Content)
- Sprint 2
1 render-blocking <script src> tag(s) without async/defer (Performance)
- Sprint 1
https://costdown.org/: 436ms CPU time (Performance)
- Sprint 2
GDPR Article 13 disclosure coverage: 0 / 8 categories (Compliance)
- Sprint 1
Skip navigation link is missing (WCAG 2.4.1) (Accessibility)
- 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
DMARC policy is none — monitoring only (Security)
- Sprint 1
No accessibility statement detected (Compliance)
…and 1 more recommended item(s)