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
93
FCP
LCP
Finished
Scan B
04:10
98
FCP
LCP
Finished
FCP
268 ms
vs.
352 ms
−84 ms
LCP
1.1 s
vs.
560 ms
+544 ms
Finished
1.35 s
vs.
1.26 s
+94 ms
Score
93
vs.
98
-5
Scores
| Category | Scan A | Change | Scan B |
|---|---|---|---|
| Total | 93 | -5 | 98 |
| Speed | 83 | -13 | 96 |
| 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 | 240 ms Good | ≈ 0 | 256 ms Good |
| LCP i | 1.09 s Good | +596 ms | 492 ms Good |
| CLS i | 0 Good | ≈ 0 | 0 Good |
| TBT i | 471 ms Needs improvement | +365 ms | 106 ms Good |
| Requests i | 29 Good | ≈ 0 | 29 Good |
| Data volume i | 309.9 KB | -34.6 KB | 344.5 KB |
Page build timing
Navigation timing from the real page load in the browser.
Desktop (1440 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 3 ms | −21 ms | 24 ms |
| TCP connection | 17 ms | ≈ 0 | 22 ms |
| TTFB | 83 ms | ≈ 0 | 97 ms |
| Transfer | 18 ms | ≈ 0 | 12 ms |
| DOM loaded | 685 ms | +275 ms | 410 ms |
| Page loaded | 687 ms | +275 ms | 412 ms |
Mobile (390 px)
| Phase | Scan A | Change | Scan B |
|---|---|---|---|
| DNS | 17 ms | ≈ 0 | 23 ms |
| TCP connection | 16 ms | ≈ 0 | 12 ms |
| TTFB | 97 ms | ≈ 0 | 97 ms |
| Transfer | 13 ms | ≈ 0 | 11 ms |
| DOM loaded | 812 ms | +409 ms | 403 ms |
| Page loaded | 856 ms | +448 ms | 408 ms |
Comparison of problems
Problems and warnings compared between the two scans (warnings and errors only).
New problems in scan A (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 1764 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 | ||
| −3 pts | Several CSS files (8 CSS files including imports) | — |
| −10 pts | Elevated TBT (Total Blocking Time approx. 471 ms) | — |
| −4 pts | Many font files (28 font files) | −4 pts |
| Technical | ||
| −4 pts | Elevated DOM size (1764 elements) | −4 pts |