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
15:00
94
FCP
LCP
Finished
Scan B
12:00
97
FCP
LCP
Finished
FCP
376 ms
vs.
880 ms
−504 ms
LCP
376 ms
vs.
880 ms
−504 ms
Finished
1.01 s
vs.
1.50 s
−486 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 | 725 ms Needs improvement | +430 ms | 295 ms Good |
| FCP i | 348 ms Good | +100 ms | 248 ms Good |
| LCP i | 348 ms Good | +100 ms | 248 ms Good |
| CLS i | 0 Good | ≈ 0 | 0 Good |
| TBT i | 4 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 | 7 ms | ≈ 0 | 15 ms |
| TCP connection | 19 ms | ≈ 0 | 14 ms |
| TTFB | 153 ms | −517 ms | 670 ms |
| Transfer | 6 ms | ≈ 0 | 2 ms |
| DOM loaded | 328 ms | −552 ms | 880 ms |
| Page loaded | 353 ms | −528 ms | 881 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 2 ms | ≈ 0 | 9 ms |
| TCP connection | 26 ms | ≈ 0 | 13 ms |
| TTFB | 149 ms | ≈ 0 | 138 ms |
| Transfer | 5 ms | ≈ 0 | 1 ms |
| DOM loaded | 368 ms | +119 ms | 249 ms |
| Page loaded | 371 ms | +121 ms | 250 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 725 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 725 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 |