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
21:00
94
FCP
LCP
Finished
Scan B
03:00
97
FCP
LCP
Finished
FCP
412 ms
vs.
328 ms
+84 ms
LCP
412 ms
vs.
328 ms
+84 ms
Finished
969 ms
vs.
944 ms
+25 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 | 613 ms Good | +377 ms | 236 ms Good |
| FCP i | 536 ms Good | +248 ms | 288 ms Good |
| LCP i | 536 ms Good | +248 ms | 288 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 | 13 ms | ≈ 0 | 3 ms |
| TCP connection | 15 ms | ≈ 0 | 16 ms |
| TTFB | 127 ms | ≈ 0 | 124 ms |
| Transfer | 5 ms | ≈ 0 | 5 ms |
| DOM loaded | 313 ms | +38 ms | 275 ms |
| Page loaded | 336 ms | +33 ms | 303 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 9 ms | ≈ 0 | 3 ms |
| TCP connection | 26 ms | ≈ 0 | 22 ms |
| TTFB | 323 ms | +216 ms | 107 ms |
| Transfer | 5 ms | ≈ 0 | 5 ms |
| DOM loaded | 515 ms | +269 ms | 246 ms |
| Page loaded | 548 ms | +275 ms | 273 ms |
Comparison of problems
Problems and warnings compared between the two scans (warnings and errors only).
Only in scan A (1)
Server response can be improved
The server response takes around 613 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. 613 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 |