Scan comparison
Green: scan A is better than scan B, red: scan A is worse. The change is always scan A − scan B.
vs.
-4
Filmstrip comparison
Scan A
15:00
90
FCP
LCP
Finished
Scan B
12:00
94
FCP
LCP
Finished
FCP
244 ms
vs.
228 ms
+16 ms
LCP
244 ms
vs.
228 ms
+16 ms
Finished
867 ms
vs.
872 ms
−5 ms
Score
90
vs.
94
-4
Scores
| Category | Scan A | Change | Scan B |
|---|---|---|---|
| Total | 90 | -4 | 94 |
| Speed | 82 | -10 | 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 | 1.13 s Needs improvement | +503 ms | 630 ms Good |
| FCP i | 260 ms Good | ≈ 0 | 248 ms Good |
| LCP i | 260 ms Good | ≈ 0 | 248 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 | 7 ms |
| TCP connection | 16 ms | ≈ 0 | 13 ms |
| TTFB | 122 ms | ≈ 0 | 125 ms |
| Transfer | 6 ms | ≈ 0 | 1 ms |
| DOM loaded | 219 ms | ≈ 0 | 229 ms |
| Page loaded | 233 ms | ≈ 0 | 230 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 38 ms | +33 ms | 5 ms |
| TCP connection | 20 ms | ≈ 0 | 15 ms |
| TTFB | 172 ms | +39 ms | 133 ms |
| Transfer | 1 ms | ≈ 0 | 2 ms |
| DOM loaded | 254 ms | ≈ 0 | 253 ms |
| Page loaded | 264 ms | ≈ 0 | 254 ms |
Comparison of problems
Problems and warnings compared between the two scans (warnings and errors only).
Unchanged (3)
Server response can be improved
The server response takes around 1.13 s.
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. 1.13 s) | — |
| — | Slightly elevated TTFB (Server response approx. 630 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 |