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
15:00
94
FCP
LCP
Finished
Scan B
21:00
97
FCP
LCP
Finished
FCP
384 ms
vs.
432 ms
−48 ms
LCP
384 ms
vs.
432 ms
−48 ms
Finished
1.01 s
vs.
1.07 s
−60 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 | 645 ms Needs improvement | +367 ms | 278 ms Good |
| FCP i | 328 ms Good | ≈ 0 | 308 ms Good |
| LCP i | 328 ms Good | ≈ 0 | 308 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 | 7 ms | ≈ 0 | 22 ms |
| TCP connection | 18 ms | ≈ 0 | 23 ms |
| TTFB | 173 ms | ≈ 0 | 159 ms |
| Transfer | 2 ms | ≈ 0 | 2 ms |
| DOM loaded | 359 ms | ≈ 0 | 368 ms |
| Page loaded | 387 ms | ≈ 0 | 402 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 7 ms | ≈ 0 | 19 ms |
| TCP connection | 22 ms | ≈ 0 | 22 ms |
| TTFB | 153 ms | +24 ms | 129 ms |
| Transfer | 2 ms | ≈ 0 | 3 ms |
| DOM loaded | 311 ms | ≈ 0 | 312 ms |
| Page loaded | 332 ms | ≈ 0 | 316 ms |
Comparison of findings
Findings compared between the two scans (warnings and errors only).
New findings in scan A (1)
Server response can be improved
The server response takes around 645 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 645 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 |