Scan comparison
Green: scan A is better than scan B, red: scan A is worse. The change is always scan A − scan B.
vs.
-7
Filmstrip comparison
Scan A
15:00
90
FCP
LCP
Finished
Scan B
12:00
97
FCP
LCP
Finished
FCP
780 ms
vs.
212 ms
+568 ms
LCP
780 ms
vs.
212 ms
+568 ms
Finished
1.41 s
vs.
847 ms
+559 ms
Score
90
vs.
97
-7
Scores
| Category | Scan A | Change | Scan B |
|---|---|---|---|
| Total | 90 | -7 | 97 |
| Speed | 82 | -18 | 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 | 883 ms Needs improvement | +603 ms | 280 ms Good |
| FCP i | 184 ms Good | ≈ 0 | 164 ms Good |
| LCP i | 184 ms Good | ≈ 0 | 164 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 | 6 ms | ≈ 0 | 7 ms |
| TCP connection | 13 ms | ≈ 0 | 16 ms |
| TTFB | 660 ms | +545 ms | 115 ms |
| Transfer | 2 ms | ≈ 0 | 1 ms |
| DOM loaded | 752 ms | +533 ms | 219 ms |
| Page loaded | 783 ms | +563 ms | 220 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 13 ms | ≈ 0 | 6 ms |
| TCP connection | 14 ms | ≈ 0 | 15 ms |
| TTFB | 98 ms | ≈ 0 | 92 ms |
| Transfer | 1 ms | ≈ 0 | 2 ms |
| DOM loaded | 189 ms | +31 ms | 158 ms |
| Page loaded | 200 ms | +33 ms | 167 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 883 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 | ||
| −18 pts | Server responds a little slowly (Response after about 883 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 |