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
21:00
97
FCP
LCP
Finished
FCP
740 ms
vs.
360 ms
+380 ms
LCP
740 ms
vs.
360 ms
+380 ms
Finished
1.41 s
vs.
995 ms
+411 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 | 593 ms Good | +109 ms | 484 ms Good |
| FCP i | 296 ms Good | −152 ms | 448 ms Good |
| LCP i | 296 ms Good | −152 ms | 448 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 | 26 ms | +23 ms | 3 ms |
| TCP connection | 14 ms | ≈ 0 | 15 ms |
| TTFB | 591 ms | +453 ms | 138 ms |
| Transfer | 2 ms | ≈ 0 | 4 ms |
| DOM loaded | 736 ms | +416 ms | 320 ms |
| Page loaded | 742 ms | +401 ms | 341 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 1 ms | −58 ms | 59 ms |
| TCP connection | 23 ms | ≈ 0 | 21 ms |
| TTFB | 183 ms | −72 ms | 255 ms |
| Transfer | 1 ms | ≈ 0 | 3 ms |
| DOM loaded | 287 ms | −137 ms | 424 ms |
| Page loaded | 297 ms | −145 ms | 442 ms |
Comparison of problems
Problems and warnings compared between the two scans (warnings and errors only).
New problems in scan A (1)
Server response can be improved
The server response takes around 593 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. 593 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 |