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
12:00
94
FCP
LCP
Finished
Scan B
06:00
90
FCP
LCP
Finished
FCP
228 ms
vs.
336 ms
−108 ms
LCP
228 ms
vs.
336 ms
−108 ms
Finished
872 ms
vs.
912 ms
−40 ms
Score
94
vs.
90
+4
Scores
| Category | Scan A | Change | Scan B |
|---|---|---|---|
| Total | 94 | +4 | 90 |
| Speed | 92 | +10 | 82 |
| 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 | −268 ms | 898 ms Needs improvement |
| FCP i | 248 ms Good | ≈ 0 | 296 ms Good |
| LCP i | 248 ms Good | ≈ 0 | 296 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 | 8 ms |
| TCP connection | 13 ms | ≈ 0 | 14 ms |
| TTFB | 125 ms | ≈ 0 | 116 ms |
| Transfer | 1 ms | ≈ 0 | 2 ms |
| DOM loaded | 229 ms | −47 ms | 276 ms |
| Page loaded | 230 ms | −69 ms | 299 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 5 ms | ≈ 0 | 2 ms |
| TCP connection | 15 ms | ≈ 0 | 16 ms |
| TTFB | 133 ms | +25 ms | 108 ms |
| Transfer | 2 ms | ≈ 0 | 3 ms |
| DOM loaded | 253 ms | ≈ 0 | 266 ms |
| Page loaded | 254 ms | −28 ms | 282 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 630 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 | ||
| −8 pts | Slightly elevated TTFB (Server response approx. 630 ms) | — |
| — | Elevated TTFB (Server response approx. 898 ms) | −18 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 |