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
21:00
97
FCP
LCP
Finished
Scan B
00:00
94
FCP
LCP
Finished
FCP
408 ms
vs.
340 ms
+68 ms
LCP
408 ms
vs.
340 ms
+68 ms
Finished
971 ms
vs.
976 ms
−5 ms
Score
97
vs.
94
+3
Scores
| Category | Scan A | Change | Scan B |
|---|---|---|---|
| Total | 97 | +3 | 94 |
| Speed | 100 | +8 | 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 | 93 ms Good | −589 ms | 682 ms Needs improvement |
| FCP i | 324 ms Good | ≈ 0 | 316 ms Good |
| LCP i | 324 ms Good | ≈ 0 | 316 ms Good |
| CLS i | 0 Good | ≈ 0 | 0 Good |
| TBT i | 10 ms Good | ≈ 0 | 6 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 | ≈ 0 | 6 ms |
| TCP connection | 34 ms | ≈ 0 | 18 ms |
| TTFB | 150 ms | ≈ 0 | 132 ms |
| Transfer | 7 ms | ≈ 0 | 3 ms |
| DOM loaded | 332 ms | +23 ms | 309 ms |
| Page loaded | 368 ms | +36 ms | 332 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 6 ms | ≈ 0 | 5 ms |
| TCP connection | 19 ms | ≈ 0 | 15 ms |
| TTFB | 145 ms | ≈ 0 | 148 ms |
| Transfer | 5 ms | ≈ 0 | 1 ms |
| DOM loaded | 315 ms | +22 ms | 293 ms |
| Page loaded | 336 ms | +23 ms | 313 ms |
Comparison of problems
Problems and warnings compared between the two scans (warnings and errors only).
Only in scan B (1)
Server response can be improved
The server response takes around 682 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 | ||
| — | Slightly elevated TTFB (Server response approx. 682 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 |