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
18:00
97
FCP
LCP
Finished
FCP
400 ms
vs.
508 ms
−108 ms
LCP
400 ms
vs.
508 ms
−108 ms
Finished
982 ms
vs.
1.49 s
−503 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 | 646 ms Needs improvement | +514 ms | 132 ms Good |
| FCP i | 316 ms Good | ≈ 0 | 284 ms Good |
| LCP i | 316 ms Good | ≈ 0 | 284 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 | — | −75 ms | 75 ms |
| TCP connection | 17 ms | ≈ 0 | 26 ms |
| TTFB | 132 ms | −233 ms | 365 ms |
| Transfer | 2 ms | ≈ 0 | 1 ms |
| DOM loaded | 302 ms | −199 ms | 501 ms |
| Page loaded | 335 ms | −229 ms | 564 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | — | −25 ms | 25 ms |
| TCP connection | 13 ms | ≈ 0 | 17 ms |
| TTFB | 125 ms | ≈ 0 | 145 ms |
| Transfer | 2 ms | ≈ 0 | 3 ms |
| DOM loaded | 302 ms | +34 ms | 268 ms |
| Page loaded | 330 ms | +37 ms | 293 ms |
Comparison of problems
Problems and warnings compared between the two scans (warnings and errors only).
Only in scan A (1)
Server response can be improved
The server response takes around 646 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 | Slightly elevated TTFB (Server response approx. 646 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 |