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
09:00
97
FCP
LCP
Finished
FCP
768 ms
vs.
248 ms
+520 ms
LCP
768 ms
vs.
248 ms
+520 ms
Finished
1.36 s
vs.
868 ms
+492 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 | 749 ms Needs improvement | +511 ms | 238 ms Good |
| FCP i | 204 ms Good | −96 ms | 300 ms Good |
| LCP i | 204 ms Good | −96 ms | 300 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 | 5 ms | ≈ 0 | 9 ms |
| TCP connection | 17 ms | ≈ 0 | 12 ms |
| TTFB | 668 ms | +537 ms | 131 ms |
| Transfer | 1 ms | ≈ 0 | 2 ms |
| DOM loaded | 759 ms | +533 ms | 226 ms |
| Page loaded | 761 ms | +514 ms | 247 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 4 ms | ≈ 0 | 7 ms |
| TCP connection | 13 ms | ≈ 0 | 18 ms |
| TTFB | 129 ms | ≈ 0 | 142 ms |
| Transfer | 2 ms | ≈ 0 | 2 ms |
| DOM loaded | 200 ms | −106 ms | 306 ms |
| Page loaded | 210 ms | −98 ms | 308 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 749 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 749 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 |