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
06:00
94
FCP
LCP
Finished
Scan B
03:00
97
FCP
LCP
Finished
FCP
280 ms
vs.
900 ms
−620 ms
LCP
280 ms
vs.
900 ms
−620 ms
Finished
871 ms
vs.
1.53 s
−656 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 | 576 ms Needs improvement | +349 ms | 227 ms Good |
| FCP i | 272 ms Good | ≈ 0 | 312 ms Good |
| LCP i | 272 ms Good | ≈ 0 | 312 ms Good |
| CLS i | 0 Good | ≈ 0 | 0 Good |
| TBT i | 0 ms Good | ≈ 0 | 5 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 | 2 ms | ≈ 0 | 3 ms |
| TCP connection | 15 ms | ≈ 0 | 20 ms |
| TTFB | 89 ms | −598 ms | 687 ms |
| Transfer | 4 ms | ≈ 0 | 4 ms |
| DOM loaded | 233 ms | −613 ms | 846 ms |
| Page loaded | 251 ms | −629 ms | 880 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 2 ms | ≈ 0 | — |
| TCP connection | 22 ms | ≈ 0 | 13 ms |
| TTFB | 95 ms | −30 ms | 125 ms |
| Transfer | 2 ms | ≈ 0 | 5 ms |
| DOM loaded | 245 ms | −33 ms | 278 ms |
| Page loaded | 273 ms | −27 ms | 300 ms |
Comparison of problems
Problems and warnings compared between the two scans (warnings and errors only).
New problems in scan A (1)
Server response can be improved
The server response takes around 576 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. 576 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 |