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
448 ms
vs.
340 ms
+108 ms
LCP
448 ms
vs.
340 ms
+108 ms
Finished
1.01 s
vs.
1.03 s
−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 | 650 ms Needs improvement | +471 ms | 179 ms Good |
| FCP i | 324 ms Good | ≈ 0 | 348 ms Good |
| LCP i | 324 ms Good | ≈ 0 | 348 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 | 47.3 KB | ≈ 0 | 51.0 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 | 13 ms |
| TCP connection | 18 ms | ≈ 0 | 17 ms |
| TTFB | 148 ms | −29 ms | 177 ms |
| Transfer | 4 ms | ≈ 0 | 1 ms |
| DOM loaded | 345 ms | ≈ 0 | 325 ms |
| Page loaded | 357 ms | +27 ms | 330 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 4 ms | ≈ 0 | 15 ms |
| TCP connection | 31 ms | ≈ 0 | 17 ms |
| TTFB | 138 ms | −41 ms | 179 ms |
| Transfer | 3 ms | ≈ 0 | 3 ms |
| DOM loaded | 302 ms | −51 ms | 353 ms |
| Page loaded | 327 ms | −28 ms | 355 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 650 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 650 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 |