Scan comparison
Green: scan A is better than scan B, red: scan A is worse. The change is always scan A − scan B.
vs.
-5
Filmstrip comparison
Scan A
18:00
92
FCP
LCP
Finished
Scan B
03:00
97
FCP
LCP
Finished
FCP
184 ms
vs.
328 ms
−144 ms
LCP
184 ms
vs.
328 ms
−144 ms
Finished
784 ms
vs.
944 ms
−160 ms
Score
92
vs.
97
-5
Scores
| Category | Scan A | Change | Scan B |
|---|---|---|---|
| Total | 92 | -5 | 97 |
| Speed | 92 | -8 | 100 |
| Images | 86 | -7 | 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 | 664 ms Good | +428 ms | 236 ms Good |
| FCP i | 1.36 s Good | +1.07 s | 288 ms Good |
| LCP i | 1.36 s Good | +1.07 s | 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 | 5 ms | ≈ 0 | 3 ms |
| TCP connection | 14 ms | ≈ 0 | 16 ms |
| TTFB | 97 ms | −27 ms | 124 ms |
| Transfer | 2 ms | ≈ 0 | 5 ms |
| DOM loaded | 188 ms | −87 ms | 275 ms |
| Page loaded | 192 ms | −111 ms | 303 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 5 ms | ≈ 0 | 3 ms |
| TCP connection | 59 ms | +37 ms | 22 ms |
| TTFB | 1.26 s | +1.15 s | 107 ms |
| Transfer | 1 ms | ≈ 0 | 5 ms |
| DOM loaded | 1.36 s | +1.12 s | 246 ms |
| Page loaded | 1.36 s | +1.09 s | 273 ms |
Comparison of problems
Problems and warnings compared between the two scans (warnings and errors only).
Only in scan A (2)
Mobile is noticeably slower than desktop
The mobile LCP is around 1.17 s above the desktop value.
Server response can be improved
The server response takes around 664 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. 664 ms) | — |
| Images | ||
| −6 pts | No clear lazy loading (No lazy loading indicators found) | −3 pts |
| −8 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 |