Scan comparison
Green: scan A is better than scan B, red: scan A is worse. The change is always scan A − scan B.
vs.
-7
Filmstrip comparison
Scan A
18:00
90
FCP
LCP
Finished
Scan B
21:00
97
FCP
LCP
Finished
FCP
340 ms
vs.
360 ms
−20 ms
LCP
340 ms
vs.
360 ms
−20 ms
Finished
1 s
vs.
995 ms
+6 ms
Score
90
vs.
97
-7
Scores
| Category | Scan A | Change | Scan B |
|---|---|---|---|
| Total | 90 | -7 | 97 |
| Speed | 82 | -18 | 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 | 964 ms Needs improvement | +480 ms | 484 ms Good |
| FCP i | 208 ms Good | −240 ms | 448 ms Good |
| LCP i | 208 ms Good | −240 ms | 448 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 | 10 ms | ≈ 0 | 3 ms |
| TCP connection | 19 ms | ≈ 0 | 15 ms |
| TTFB | 174 ms | +36 ms | 138 ms |
| Transfer | 1 ms | ≈ 0 | 4 ms |
| DOM loaded | 339 ms | ≈ 0 | 320 ms |
| Page loaded | 342 ms | ≈ 0 | 341 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 10 ms | −49 ms | 59 ms |
| TCP connection | 12 ms | ≈ 0 | 21 ms |
| TTFB | 109 ms | −146 ms | 255 ms |
| Transfer | 1 ms | ≈ 0 | 3 ms |
| DOM loaded | 197 ms | −227 ms | 424 ms |
| Page loaded | 208 ms | −234 ms | 442 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 964 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 | ||
| −18 pts | Elevated TTFB (Server response approx. 964 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 |