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
15:00
97
FCP
LCP
Finished
FCP
332 ms
vs.
636 ms
−304 ms
LCP
332 ms
vs.
636 ms
−304 ms
Finished
952 ms
vs.
1.27 s
−319 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 | 644 ms Good | +552 ms | 92 ms Good |
| FCP i | 296 ms Good | ≈ 0 | 316 ms Good |
| LCP i | 296 ms Good | ≈ 0 | 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 | 4 ms | −269 ms | 273 ms |
| TCP connection | 16 ms | ≈ 0 | 19 ms |
| TTFB | 133 ms | −291 ms | 424 ms |
| Transfer | 1 ms | ≈ 0 | 4 ms |
| DOM loaded | 295 ms | −284 ms | 579 ms |
| Page loaded | 322 ms | −288 ms | 610 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 18 ms | ≈ 0 | 5 ms |
| TCP connection | 20 ms | ≈ 0 | 18 ms |
| TTFB | 131 ms | ≈ 0 | 144 ms |
| Transfer | 2 ms | ≈ 0 | 3 ms |
| DOM loaded | 279 ms | −22 ms | 301 ms |
| Page loaded | 300 ms | −216 ms | 516 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 644 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. 644 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 |