Scan comparison
Green: scan A is better than scan B, red: scan A is worse. The change is always scan A − scan B.
vs.
+5
Filmstrip comparison
Scan A
04:10
98
FCP
LCP
Finished
Scan B
04:10
93
FCP
LCP
Finished
FCP
352 ms
vs.
268 ms
+84 ms
LCP
560 ms
vs.
1.1 s
−544 ms
Finished
1.26 s
vs.
1.35 s
−94 ms
Score
98
vs.
93
+5
Scores
| Category | Scan A | Change | Scan B |
|---|---|---|---|
| Total | 98 | +5 | 93 |
| Speed | 96 | +13 | 83 |
| Images | 100 | 0 | 100 |
| Caching | 100 | 0 | 100 |
| WordPress | 100 | 0 | 100 |
| Technical | 96 | 0 | 96 |
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 | 69 ms Good | ≈ 0 | 69 ms Good |
| FCP i | 256 ms Good | ≈ 0 | 240 ms Good |
| LCP i | 492 ms Good | −596 ms | 1.09 s Good |
| CLS i | 0 Good | ≈ 0 | 0 Good |
| TBT i | 106 ms Good | −365 ms | 471 ms Needs improvement |
| Requests i | 29 Good | ≈ 0 | 29 Good |
| Data volume i | 344.5 KB | +34.6 KB | 309.9 KB |
Page build timing
Navigation timing from the real page load in the browser.
Desktop (1440 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 24 ms | +21 ms | 3 ms |
| TCP connection | 22 ms | ≈ 0 | 17 ms |
| TTFB | 97 ms | ≈ 0 | 83 ms |
| Transfer | 12 ms | ≈ 0 | 18 ms |
| DOM loaded | 410 ms | −275 ms | 685 ms |
| Page loaded | 412 ms | −275 ms | 687 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 23 ms | ≈ 0 | 17 ms |
| TCP connection | 12 ms | ≈ 0 | 16 ms |
| TTFB | 97 ms | ≈ 0 | 97 ms |
| Transfer | 11 ms | ≈ 0 | 13 ms |
| DOM loaded | 403 ms | −409 ms | 812 ms |
| Page loaded | 408 ms | −448 ms | 856 ms |
Comparison of problems
Problems and warnings compared between the two scans (warnings and errors only).
Only in scan B (1)
The main thread is noticeably blocked
The browser main thread was blocked for around 471 ms during page load (Total Blocking Time).
Unchanged (2)
DOM size elevated
The page contains 1772 DOM elements. Beyond roughly 1500 elements the browser slows down noticeably.
Font payload can be improved
Detected 28 font files totalling around 227.94 KB.
Deductions by category
Which individual points influence the score the most.
| Scan A | Label | Scan B |
|---|---|---|
| Speed | ||
| −4 pts | Many font files (28 font files) | −4 pts |
| — | Several CSS files (8 CSS files including imports) | −3 pts |
| — | Elevated TBT (Total Blocking Time approx. 471 ms) | −10 pts |
| Technical | ||
| −4 pts | Elevated DOM size (1772 elements) | −4 pts |