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
03:00
94
FCP
LCP
Finished
Scan B
21:00
97
FCP
LCP
Finished
FCP
224 ms
vs.
408 ms
−184 ms
LCP
224 ms
vs.
408 ms
−184 ms
Finished
856 ms
vs.
971 ms
−115 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 | 606 ms Needs improvement | +513 ms | 93 ms Good |
| FCP i | 180 ms Good | −144 ms | 324 ms Good |
| LCP i | 180 ms Good | −144 ms | 324 ms Good |
| CLS i | 0 Good | ≈ 0 | 0 Good |
| TBT i | 0 ms Good | ≈ 0 | 10 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 | 6 ms | ≈ 0 | 4 ms |
| TCP connection | 14 ms | ≈ 0 | 34 ms |
| TTFB | 109 ms | −41 ms | 150 ms |
| Transfer | 2 ms | ≈ 0 | 7 ms |
| DOM loaded | 228 ms | −104 ms | 332 ms |
| Page loaded | 229 ms | −139 ms | 368 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 7 ms | ≈ 0 | 6 ms |
| TCP connection | 12 ms | ≈ 0 | 19 ms |
| TTFB | 97 ms | −48 ms | 145 ms |
| Transfer | 2 ms | ≈ 0 | 5 ms |
| DOM loaded | 192 ms | −123 ms | 315 ms |
| Page loaded | 194 ms | −142 ms | 336 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 606 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. 606 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 |