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
12:00
97
FCP
LCP
Finished
FCP
204 ms
vs.
880 ms
−676 ms
LCP
204 ms
vs.
880 ms
−676 ms
Finished
822 ms
vs.
1.50 s
−673 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 | 626 ms Needs improvement | +331 ms | 295 ms Good |
| FCP i | 180 ms Good | −68 ms | 248 ms Good |
| LCP i | 180 ms Good | −68 ms | 248 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 | 12 ms | ≈ 0 | 15 ms |
| TCP connection | 18 ms | ≈ 0 | 14 ms |
| TTFB | 106 ms | −564 ms | 670 ms |
| Transfer | 1 ms | ≈ 0 | 2 ms |
| DOM loaded | 193 ms | −687 ms | 880 ms |
| Page loaded | 207 ms | −674 ms | 881 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 8 ms | ≈ 0 | 9 ms |
| TCP connection | 20 ms | ≈ 0 | 13 ms |
| TTFB | 103 ms | −35 ms | 138 ms |
| Transfer | 1 ms | ≈ 0 | 1 ms |
| DOM loaded | 187 ms | −62 ms | 249 ms |
| Page loaded | 189 ms | −61 ms | 250 ms |
Comparison of findings
Findings compared between the two scans (warnings and errors only).
New findings in scan A (1)
Server response can be improved
The server response takes around 626 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 626 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 |