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
21:00
94
FCP
LCP
Finished
Scan B
09:00
97
FCP
LCP
Finished
FCP
256 ms
vs.
248 ms
+8 ms
LCP
256 ms
vs.
248 ms
+8 ms
Finished
887 ms
vs.
868 ms
+19 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 | 787 ms Needs improvement | +549 ms | 238 ms Good |
| FCP i | 236 ms Good | −64 ms | 300 ms Good |
| LCP i | 236 ms Good | −64 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 | 10 ms | ≈ 0 | 9 ms |
| TCP connection | 19 ms | ≈ 0 | 12 ms |
| TTFB | 155 ms | +24 ms | 131 ms |
| Transfer | 2 ms | ≈ 0 | 2 ms |
| DOM loaded | 260 ms | +34 ms | 226 ms |
| Page loaded | 262 ms | ≈ 0 | 247 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 5 ms | ≈ 0 | 7 ms |
| TCP connection | 27 ms | ≈ 0 | 18 ms |
| TTFB | 146 ms | ≈ 0 | 142 ms |
| Transfer | 1 ms | ≈ 0 | 2 ms |
| DOM loaded | 224 ms | −82 ms | 306 ms |
| Page loaded | 238 ms | −70 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 787 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 787 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 |