Changes
| Category | Previous | Current | Change |
|---|---|---|---|
| Composite | A (91) | A (91) | — |
| Performance | A+ (97) | A+ (97) | — |
| Security | B (89) | B (89) | — |
| Accessibility | A (90) | A (90) | — |
| SEO | A (95) | A (95) | — |
| Infrastructure | A (90) | B (88) | -2.000 |
| Compliance | B (82) | B (85) | +3.000 |
| Content | B (85) | B (85) | — |
| Sustainability | A+ (98) | A+ (98) | — |
| Metric | Previous | Current | Change |
|---|---|---|---|
| Performance | 8900 | 8600 | -300 |
| Accessibility | 9600 | 9600 | — |
| Best Practices | 10000 | 10000 | — |
| SEO | 9100 | 9100 | — |
| PWA | 0 | 0 | — |
| Desktop Performance | 9800 | 9800 | — |
| Desktop Accessibility | 9600 | 9600 | — |
| Desktop Best Practices | 10000 | 10000 | — |
| Desktop SEO | 9200 | 9200 | — |
| FCP | 1.47 s | 1.49 s | +19 ms |
| LCP | 3.50 s | 3.81 s | +310 ms |
| TBT | 130 ms | 134 ms | +4 ms |
| CLS | 0.000 | 0.000 | — |
| Desktop FCP | 537 ms | 558 ms | +20 ms |
| Desktop LCP | 1.08 s | 1.06 s | -17 ms |
| Desktop TBT | 0 ms | 0 ms | — |
| Desktop CLS | 0.000 | 0.000 | — |
| TTFB † | 337 ms | 341 ms | +4 ms |
| DNS † | 1 ms | 37 ms | +36 ms |
| TLS † | 24 ms | 28 ms | +4 ms |
| Connect † | 17 ms | 16 ms | -0 ms |
| Total † | 705 ms | 357 ms | -348 ms |
† Timing metrics may vary by worker location and do not necessarily indicate site changes.
No issues were resolved
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-ZNm8y/uBD8sAbTKAbySrCA==' https:... → default-src 'self'; script-src 'self' 'nonce-qahhE5l5vHRP+Ponwit1aw==' https:...13 headers unchanged
Technology stack unchanged
11 technologies unchanged
Looking ahead
+6 ptsEstimate — actual results may vary (15 issues to fix)
Website improvement report — Costdown
August 27, 2026 → August 27, 2026
0
Resolved
2
New issues
13
Still remaining
Financial summary
Investment remaining
₫6,600,000 to complete the remaining items
Ongoing risk
₫3,348/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 | 91 (A) | 91 (A) | 0 |
| Performance | 97 (A+) | 97 (A+) | 0 |
| Security | 89 (B) | 89 (B) | 0 |
| Accessibility | 90 (A) | 90 (A) | 0 |
| SEO | 95 (A) | 95 (A) | 0 |
| Infrastructure | 90 (A) | 88 (B) | -2 |
| Compliance | 82 (B) | 85 (B) | +3 |
| Content | 85 (B) | 85 (B) | 0 |
| Sustainability | 98 (A+) | 98 (A+) | 0 |
Recommended next steps (15)
- Sprint 1
Both www and non-www versions serve content (Infrastructure)
- Sprint 1
https://costdown.org/: 254ms CPU time (Performance)
- Sprint 2
1 render-blocking <script src> tag(s) without async/defer (Performance)
- Sprint 2
1 images significantly larger than display size (Content)
- Sprint 2
All 1 images use legacy formats (JPEG/PNG/GIF) (Content)
- Sprint 1
Permissions-Policy header is missing (Security)
- Sprint 1
Cross-Origin-Opener-Policy header is missing (Security)
- 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 1
Skip navigation link is missing (WCAG 2.4.1) (Accessibility)
- Sprint 1
No Permissions-Policy header (Security)
- Sprint 1
Registrar lock is NOT enabled (Infrastructure)