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
18:00
94
FCP
LCP
Finished
Scan B
09:00
97
FCP
LCP
Finished
FCP
388 ms
vs.
852 ms
−464 ms
LCP
388 ms
vs.
852 ms
−464 ms
Finished
1.01 s
vs.
1.50 s
−492 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 | 799 ms Needs improvement | +516 ms | 283 ms Good |
| FCP i | 412 ms Good | +104 ms | 308 ms Good |
| LCP i | 412 ms Good | +104 ms | 308 ms Good |
| CLS i | 0 Good | ≈ 0 | 0 Good |
| TBT i | 28 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 | — | ≈ 0 | 9 ms |
| TCP connection | 6 ms | ≈ 0 | 19 ms |
| TTFB | 161 ms | −482 ms | 643 ms |
| Transfer | 5 ms | ≈ 0 | 2 ms |
| DOM loaded | 341 ms | −492 ms | 833 ms |
| Page loaded | 363 ms | −498 ms | 861 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | — | −23 ms | 23 ms |
| TCP connection | 20 ms | ≈ 0 | 19 ms |
| TTFB | 147 ms | ≈ 0 | 133 ms |
| Transfer | 4 ms | ≈ 0 | 4 ms |
| DOM loaded | 357 ms | +64 ms | 293 ms |
| Page loaded | 364 ms | +51 ms | 313 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 799 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 799 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 |