Scan comparison
Green: scan A is better than scan B, red: scan A is worse. The change is always scan A − scan B.
vs.
-3
Filmstrip comparison
Scan A
03:00
94
FCP
LCP
Finished
Scan B
06:00
97
FCP
LCP
Finished
FCP
224 ms
vs.
428 ms
−204 ms
LCP
224 ms
vs.
428 ms
−204 ms
Finished
856 ms
vs.
1.02 s
−165 ms
Score
94
vs.
97
-3
Scores
| Category | Scan A | Change | Scan B |
|---|---|---|---|
| Total | 94 | -3 | 97 |
| Speed | 92 | -8 | 100 |
| Images | 93 | 0 | 93 |
| Caching | 91 | 0 | 91 |
| WordPress | 100 | 0 | 100 |
| Technical | 100 | 0 | 100 |
Core metrics
Lab values from the Mobile profile (390 px). TTFB is measured by the check server and applies to both profiles.
| Metric | Scan A | Change | Scan B |
|---|---|---|---|
| TTFB i | 606 ms Needs improvement | +543 ms | 63 ms Good |
| FCP i | 180 ms Good | −112 ms | 292 ms Good |
| LCP i | 180 ms Good | −112 ms | 292 ms Good |
| CLS i | 0 Good | ≈ 0 | 0 Good |
| TBT i | 0 ms Good | ≈ 0 | 0 ms Good |
| Requests i | 6 Good | ≈ 0 | 6 Good |
| Data volume i | 47.4 KB | ≈ 0 | 47.4 KB |
Page build timing
Navigation timing from the real page load in the browser.
Desktop (1440 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 6 ms | ≈ 0 | — |
| TCP connection | 14 ms | ≈ 0 | 16 ms |
| TTFB | 109 ms | −27 ms | 136 ms |
| Transfer | 2 ms | ≈ 0 | 3 ms |
| DOM loaded | 228 ms | −115 ms | 343 ms |
| Page loaded | 229 ms | −119 ms | 348 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 7 ms | ≈ 0 | 1 ms |
| TCP connection | 12 ms | ≈ 0 | 20 ms |
| TTFB | 97 ms | ≈ 0 | 107 ms |
| Transfer | 2 ms | ≈ 0 | 2 ms |
| DOM loaded | 192 ms | −75 ms | 267 ms |
| Page loaded | 194 ms | −103 ms | 297 ms |
Comparison of findings
Findings compared between the two scans (warnings and errors only).
New findings in scan A (1)
Server response can be improved
The server response takes around 606 ms.
Unchanged (2)
Lazy loading is not clearly detectable
Images were detected, but no loading="lazy" on any image element.
No modern image formats detected
No WebP or AVIF image files were detected in the HTML image sources.
Deductions by category
Which individual points influence the score the most.
| Scan A | Label | Scan B |
|---|---|---|
| Speed | ||
| −8 pts | Server response slightly delayed (Response after about 606 ms) | — |
| Images | ||
| −3 pts | No clear lazy loading (No lazy loading indicators found) | −3 pts |
| −4 pts | No modern image formats (No WebP/AVIF detected) | −4 pts |
| Caching | ||
| −5 pts | Caching partly disabled (no-cache, private) | −5 pts |
| −4 pts | No clear page cache indicator (No HIT/Age indicators detected) | −4 pts |