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
12:00
94
FCP
LCP
Finished
Scan B
03:00
97
FCP
LCP
Finished
FCP
228 ms
vs.
328 ms
−100 ms
LCP
228 ms
vs.
328 ms
−100 ms
Finished
872 ms
vs.
944 ms
−72 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 | 630 ms Needs improvement | +394 ms | 236 ms Good |
| FCP i | 248 ms Good | ≈ 0 | 288 ms Good |
| LCP i | 248 ms Good | ≈ 0 | 288 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 | 3 ms |
| TCP connection | 13 ms | ≈ 0 | 16 ms |
| TTFB | 125 ms | ≈ 0 | 124 ms |
| Transfer | 1 ms | ≈ 0 | 5 ms |
| DOM loaded | 229 ms | −46 ms | 275 ms |
| Page loaded | 230 ms | −73 ms | 303 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 5 ms | ≈ 0 | 3 ms |
| TCP connection | 15 ms | ≈ 0 | 22 ms |
| TTFB | 133 ms | +26 ms | 107 ms |
| Transfer | 2 ms | ≈ 0 | 5 ms |
| DOM loaded | 253 ms | ≈ 0 | 246 ms |
| Page loaded | 254 ms | ≈ 0 | 273 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 630 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. 630 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 |