Scan comparison
Green: scan A is better than scan B, red: scan A is worse. The change is always scan A − scan B.
vs.
-7
Filmstrip comparison
Scan A
21:00
90
FCP
LCP
Finished
Scan B
21:00
97
FCP
LCP
Finished
FCP
364 ms
vs.
340 ms
+24 ms
LCP
364 ms
vs.
340 ms
+24 ms
Finished
1.01 s
vs.
1.03 s
−21 ms
Score
90
vs.
97
-7
Scores
| Category | Scan A | Change | Scan B |
|---|---|---|---|
| Total | 90 | -7 | 97 |
| Speed | 82 | -18 | 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 | 821 ms Needs improvement | +642 ms | 179 ms Good |
| FCP i | 604 ms Good | +256 ms | 348 ms Good |
| LCP i | 604 ms Good | +256 ms | 348 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 | 51.0 KB |
Page build timing
Navigation timing from the real page load in the browser.
Desktop (1440 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 22 ms | ≈ 0 | 13 ms |
| TCP connection | 22 ms | ≈ 0 | 17 ms |
| TTFB | 164 ms | ≈ 0 | 177 ms |
| Transfer | 4 ms | ≈ 0 | 1 ms |
| DOM loaded | 330 ms | ≈ 0 | 325 ms |
| Page loaded | 363 ms | +33 ms | 330 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 303 ms | +288 ms | 15 ms |
| TCP connection | 32 ms | ≈ 0 | 17 ms |
| TTFB | 417 ms | +238 ms | 179 ms |
| Transfer | 3 ms | ≈ 0 | 3 ms |
| DOM loaded | 574 ms | +221 ms | 353 ms |
| Page loaded | 608 ms | +253 ms | 355 ms |
Comparison of findings
Findings compared between the two scans (warnings and errors only).
Only in scan A (1)
Server response can be improved
The server response takes around 821 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 | ||
| −18 pts | Server responds a little slowly (Response after about 821 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 |