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
21:00
90
FCP
LCP
Finished
Scan B
15:00
97
FCP
LCP
Finished
FCP
412 ms
vs.
636 ms
−224 ms
LCP
412 ms
vs.
636 ms
−224 ms
Finished
1.02 s
vs.
1.27 s
−255 ms
Score
90
vs.
97
-7
Scores
| Category | Scan A | Change | Scan B |
|---|---|---|---|
| Total | 90 | -7 | 97 |
| Speed | 86 | -14 | 100 |
| Images | 86 | -7 | 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 | 781 ms Good | +689 ms | 92 ms Good |
| FCP i | 1.72 s Good | +1.4 s | 316 ms Good |
| LCP i | 1.72 s Good | +1.4 s | 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 | 14 ms | −259 ms | 273 ms |
| TCP connection | 17 ms | ≈ 0 | 19 ms |
| TTFB | 154 ms | −270 ms | 424 ms |
| Transfer | 2 ms | ≈ 0 | 4 ms |
| DOM loaded | 343 ms | −236 ms | 579 ms |
| Page loaded | 349 ms | −261 ms | 610 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 32 ms | +27 ms | 5 ms |
| TCP connection | 16 ms | ≈ 0 | 18 ms |
| TTFB | 1.54 s | +1.4 s | 144 ms |
| Transfer | 3 ms | ≈ 0 | 3 ms |
| DOM loaded | 1.7 s | +1.4 s | 301 ms |
| Page loaded | 1.72 s | +1.21 s | 516 ms |
Comparison of problems
Problems and warnings compared between the two scans (warnings and errors only).
New problems in scan A (3)
Mobile is noticeably slower than desktop
The mobile LCP is around 1.3 s above the desktop value.
First visible content appears late
The First Contentful Paint is around 1.72 s.
Server response can be improved
The server response takes around 781 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. 781 ms) | — |
| −6 pts | Elevated FCP (First Contentful Paint approx. 1.72 s) | — |
| Images | ||
| −6 pts | No clear lazy loading (No lazy loading indicators found) | −3 pts |
| −8 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 |