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
03:00
94
FCP
LCP
Finished
Scan B
00:00
97
FCP
LCP
Finished
FCP
256 ms
vs.
232 ms
+24 ms
LCP
256 ms
vs.
232 ms
+24 ms
Finished
886 ms
vs.
842 ms
+44 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 | 675 ms Needs improvement | +265 ms | 410 ms Good |
| FCP i | 184 ms Good | ≈ 0 | 204 ms Good |
| LCP i | 184 ms Good | ≈ 0 | 204 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 | 51.4 KB |
Page build timing
Navigation timing from the real page load in the browser.
Desktop (1440 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 8 ms | ≈ 0 | 4 ms |
| TCP connection | 35 ms | +22 ms | 13 ms |
| TTFB | 141 ms | +26 ms | 115 ms |
| Transfer | 2 ms | ≈ 0 | 2 ms |
| DOM loaded | 258 ms | +26 ms | 232 ms |
| Page loaded | 259 ms | +25 ms | 234 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 6 ms | ≈ 0 | 7 ms |
| TCP connection | 13 ms | ≈ 0 | 13 ms |
| TTFB | 97 ms | ≈ 0 | 106 ms |
| Transfer | 1 ms | ≈ 0 | 1 ms |
| DOM loaded | 185 ms | ≈ 0 | 195 ms |
| Page loaded | 187 ms | −21 ms | 208 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 675 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 675 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 |