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
09:00
94
FCP
LCP
Finished
Scan B
18:00
97
FCP
LCP
Finished
FCP
336 ms
vs.
732 ms
−396 ms
LCP
336 ms
vs.
732 ms
−396 ms
Finished
997 ms
vs.
1.38 s
−387 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 | 618 ms Needs improvement | +261 ms | 357 ms Good |
| FCP i | 292 ms Good | +80 ms | 212 ms Good |
| LCP i | 292 ms Good | +80 ms | 212 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 | 9 ms |
| TCP connection | 20 ms | ≈ 0 | 18 ms |
| TTFB | 158 ms | −472 ms | 630 ms |
| Transfer | 5 ms | ≈ 0 | 2 ms |
| DOM loaded | 306 ms | −433 ms | 739 ms |
| Page loaded | 323 ms | −420 ms | 743 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 4 ms | ≈ 0 | 1 ms |
| TCP connection | 16 ms | ≈ 0 | 14 ms |
| TTFB | 119 ms | ≈ 0 | 137 ms |
| Transfer | 5 ms | ≈ 0 | 1 ms |
| DOM loaded | 268 ms | +58 ms | 210 ms |
| Page loaded | 289 ms | +69 ms | 220 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 618 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. 618 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 |