Changes
| Category | Previous | Current | Change |
|---|---|---|---|
| Composite | A (93) | A (92) | -1.000 |
| Performance | A+ (97) | A (96) | -1.000 |
| Security | A (93) | A (93) | — |
| Accessibility | A (90) | A (90) | — |
| SEO | A+ (97) | A (94) | -3.000 |
| Infrastructure | A (90) | A (90) | — |
| Compliance | B (85) | B (85) | — |
| Content | B (85) | B (85) | — |
| Sustainability | A+ (98) | A+ (98) | — |
| Metric | Previous | Current | Change |
|---|---|---|---|
| Performance | 9500 | 9200 | -300 |
| Accessibility | 9600 | 9600 | — |
| Best Practices | 10000 | 10000 | — |
| SEO | 9100 | 9100 | — |
| PWA | 0 | 0 | — |
| Desktop Performance | 9800 | 9900 | +100 |
| Desktop Accessibility | 9600 | 9600 | — |
| Desktop Best Practices | 10000 | 10000 | — |
| Desktop SEO | 9200 | 9200 | — |
| FCP | 1.24 s | 1.24 s | — |
| LCP | 2.89 s | 3.33 s | +435 ms |
| TBT | 87 ms | 42 ms | -44 ms |
| CLS | 0.000 | 0.000 | — |
| Desktop FCP | 546 ms | 532 ms | -13 ms |
| Desktop LCP | 1.05 s | 875 ms | -174 ms |
| Desktop TBT | 0 ms | 0 ms | — |
| Desktop CLS | 0.000 | 0.000 | — |
| TTFB † | 381 ms | 421 ms | +40 ms |
| DNS † | 36 ms | 30 ms | -6 ms |
| TLS † | 23 ms | 22 ms | -1 ms |
| Connect | 17 ms | 17 ms | — |
| Total † | 464 ms | 470 ms | +5 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-rkElveg+Vklz1XoDq9CjEg==' https:... → default-src 'self'; script-src 'self' 'nonce-/PMN6VsihtLgT9v05HuB3Q==' https:...15 headers unchanged
Technology stack unchanged
11 technologies unchanged
Looking ahead
+5 ptsEstimate — actual results may vary (13 issues to fix)
Website improvement report — Costdown
August 27, 2026 → August 27, 2026
1
Resolved
3
New issues
10
Still remaining
Financial summary
Investment remaining
₫6,150,000 to complete the remaining items
Ongoing risk
₫2,515/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 | 97 (A+) | 96 (A) | -1 |
| Security | 93 (A) | 93 (A) | 0 |
| Accessibility | 90 (A) | 90 (A) | 0 |
| SEO | 97 (A+) | 94 (A) | -3 |
| Infrastructure | 90 (A) | 90 (A) | 0 |
| Compliance | 85 (B) | 85 (B) | 0 |
| Content | 85 (B) | 85 (B) | 0 |
| Sustainability | 98 (A+) | 98 (A+) | 0 |
Resolved (1)
https://costdown.org/: 319ms CPU time (Performance)
→ Page loads faster for users
Recommended next steps (13)
- Sprint 1
Both www and non-www versions serve content (Infrastructure)
- Sprint 1
https://costdown.org/: 437ms CPU time (Performance)
- Sprint 1
https://costdown.org/_next/static/chunks/1255-fc6c...: 421ms 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 2
All 1 images use legacy formats (JPEG/PNG/GIF) (Content)
- 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
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
Skip navigation link is missing (WCAG 2.4.1) (Accessibility)