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
00:00
94
FCP
LCP
Finished
Scan B
21:00
97
FCP
LCP
Finished
FCP
292 ms
vs.
432 ms
−140 ms
LCP
292 ms
vs.
432 ms
−140 ms
Finished
879 ms
vs.
1.07 s
−190 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 | 767 ms Needs improvement | +489 ms | 278 ms Good |
| FCP i | 260 ms Good | ≈ 0 | 308 ms Good |
| LCP i | 260 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 | 8 ms | ≈ 0 | 22 ms |
| TCP connection | 16 ms | ≈ 0 | 23 ms |
| TTFB | 103 ms | −56 ms | 159 ms |
| Transfer | 4 ms | ≈ 0 | 2 ms |
| DOM loaded | 238 ms | −130 ms | 368 ms |
| Page loaded | 269 ms | −133 ms | 402 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 2 ms | ≈ 0 | 19 ms |
| TCP connection | 14 ms | ≈ 0 | 22 ms |
| TTFB | 88 ms | −41 ms | 129 ms |
| Transfer | 5 ms | ≈ 0 | 3 ms |
| DOM loaded | 219 ms | −93 ms | 312 ms |
| Page loaded | 238 ms | −78 ms | 316 ms |
Comparison of problems
Problems and warnings compared between the two scans (warnings and errors only).
New problems in scan A (1)
Server response can be improved
The server response takes around 767 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. 767 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 |