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
21:00
97
FCP
LCP
Finished
FCP
228 ms
vs.
332 ms
−104 ms
LCP
228 ms
vs.
332 ms
−104 ms
Finished
845 ms
vs.
1.42 s
−570 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 | 719 ms Needs improvement | +436 ms | 283 ms Good |
| FCP i | 164 ms Good | −120 ms | 284 ms Good |
| LCP i | 164 ms Good | −120 ms | 284 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 | — |
| TCP connection | 17 ms | ≈ 0 | 16 ms |
| TTFB | 130 ms | −38 ms | 168 ms |
| Transfer | 1 ms | ≈ 0 | 1 ms |
| DOM loaded | 228 ms | −102 ms | 330 ms |
| Page loaded | 229 ms | −520 ms | 749 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 7 ms | ≈ 0 | 16 ms |
| TCP connection | 16 ms | ≈ 0 | 22 ms |
| TTFB | 90 ms | −61 ms | 151 ms |
| Transfer | 1 ms | ≈ 0 | 2 ms |
| DOM loaded | 157 ms | −129 ms | 286 ms |
| Page loaded | 168 ms | −122 ms | 290 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 719 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. 719 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 |