Scan comparison
Green: scan A is better than scan B, red: scan A is worse. The change is always scan A − scan B.
vs.
-4
Filmstrip comparison
Scan A
03:00
90
FCP
LCP
Finished
Scan B
00:00
94
FCP
LCP
Finished
FCP
188 ms
vs.
400 ms
−212 ms
LCP
188 ms
vs.
400 ms
−212 ms
Finished
810 ms
vs.
982 ms
−172 ms
Score
90
vs.
94
-4
Scores
| Category | Scan A | Change | Scan B |
|---|---|---|---|
| Total | 90 | -4 | 94 |
| Speed | 82 | -10 | 92 |
| 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 | 986 ms Needs improvement | +340 ms | 646 ms Needs improvement |
| FCP i | 168 ms Good | −148 ms | 316 ms Good |
| LCP i | 168 ms Good | −148 ms | 316 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 | — |
| TCP connection | 13 ms | ≈ 0 | 17 ms |
| TTFB | 94 ms | −38 ms | 132 ms |
| Transfer | 2 ms | ≈ 0 | 2 ms |
| DOM loaded | 191 ms | −111 ms | 302 ms |
| Page loaded | 193 ms | −142 ms | 335 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 8 ms | ≈ 0 | — |
| TCP connection | 12 ms | ≈ 0 | 13 ms |
| TTFB | 85 ms | −40 ms | 125 ms |
| Transfer | 1 ms | ≈ 0 | 2 ms |
| DOM loaded | 164 ms | −138 ms | 302 ms |
| Page loaded | 165 ms | −165 ms | 330 ms |
Comparison of problems
Problems and warnings compared between the two scans (warnings and errors only).
Unchanged (3)
Server response can be improved
The server response takes around 986 ms.
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 | Elevated TTFB (Server response approx. 986 ms) | — |
| — | Slightly elevated TTFB (Server response approx. 646 ms) | −8 pts |
| 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 |