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
00:00
94
FCP
LCP
Finished
Scan B
21:00
97
FCP
LCP
Finished
FCP
240 ms
vs.
340 ms
−100 ms
LCP
240 ms
vs.
340 ms
−100 ms
Finished
861 ms
vs.
1.03 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 | 614 ms Needs improvement | +435 ms | 179 ms Good |
| FCP i | 208 ms Good | −140 ms | 348 ms Good |
| LCP i | 208 ms Good | −140 ms | 348 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 | 51.0 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 | 13 ms |
| TCP connection | 16 ms | ≈ 0 | 17 ms |
| TTFB | 127 ms | −50 ms | 177 ms |
| Transfer | 1 ms | ≈ 0 | 1 ms |
| DOM loaded | 252 ms | −73 ms | 325 ms |
| Page loaded | 253 ms | −77 ms | 330 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 6 ms | ≈ 0 | 15 ms |
| TCP connection | 15 ms | ≈ 0 | 17 ms |
| TTFB | 109 ms | −70 ms | 179 ms |
| Transfer | 1 ms | ≈ 0 | 3 ms |
| DOM loaded | 210 ms | −143 ms | 353 ms |
| Page loaded | 212 ms | −143 ms | 355 ms |
Comparison of findings
Findings compared between the two scans (warnings and errors only).
Only in scan A (1)
Server response can be improved
The server response takes around 614 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 614 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 |