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
09:00
94
FCP
LCP
Finished
Scan B
18:00
97
FCP
LCP
Finished
FCP
244 ms
vs.
508 ms
−264 ms
LCP
244 ms
vs.
508 ms
−264 ms
Finished
877 ms
vs.
1.49 s
−608 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 | 553 ms Needs improvement | +421 ms | 132 ms Good |
| FCP i | 188 ms Good | −96 ms | 284 ms Good |
| LCP i | 188 ms Good | −96 ms | 284 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 | 11 ms | −64 ms | 75 ms |
| TCP connection | 43 ms | ≈ 0 | 26 ms |
| TTFB | 128 ms | −237 ms | 365 ms |
| Transfer | 2 ms | ≈ 0 | 1 ms |
| DOM loaded | 255 ms | −246 ms | 501 ms |
| Page loaded | 258 ms | −306 ms | 564 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 9 ms | ≈ 0 | 25 ms |
| TCP connection | 14 ms | ≈ 0 | 17 ms |
| TTFB | 94 ms | −51 ms | 145 ms |
| Transfer | 1 ms | ≈ 0 | 3 ms |
| DOM loaded | 179 ms | −89 ms | 268 ms |
| Page loaded | 195 ms | −98 ms | 293 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 553 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. 553 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 |