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
21:00
97
FCP
LCP
Finished
FCP
244 ms
vs.
332 ms
−88 ms
LCP
244 ms
vs.
332 ms
−88 ms
Finished
877 ms
vs.
1.42 s
−538 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 | +270 ms | 283 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 | ≈ 0 | — |
| TCP connection | 43 ms | +27 ms | 16 ms |
| TTFB | 128 ms | −40 ms | 168 ms |
| Transfer | 2 ms | ≈ 0 | 1 ms |
| DOM loaded | 255 ms | −75 ms | 330 ms |
| Page loaded | 258 ms | −491 ms | 749 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 9 ms | ≈ 0 | 16 ms |
| TCP connection | 14 ms | ≈ 0 | 22 ms |
| TTFB | 94 ms | −57 ms | 151 ms |
| Transfer | 1 ms | ≈ 0 | 2 ms |
| DOM loaded | 179 ms | −107 ms | 286 ms |
| Page loaded | 195 ms | −95 ms | 290 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 |