Page views
52
24h
▼ 39% vs previous 24h
LCP · p75
2.03 s
83% good · 52 samples
▼ 5% vs previous 24h
INP · p75
405 ms
46% good · 41 samples
▲ 62% vs previous 24h
CLS · p75
0.04
92% good · 52 samples
▲ 91% vs previous 24h
FCP · p75
1.43 s
79% good · 52 samples
▼ 24% vs previous 24h
TTFB · p75
764 ms
79% good · 52 samples
▼ 29% vs previous 24h
Happy page views
44%
21% unhappy · 52 rated
What to fix first
INP got 62% worse than the previous 24h
p75 INP is now 405 ms. The Vitals tab shows when it changed and which pages it changed on.
INP over time →
CLS got 91% worse than the previous 24h
p75 CLS is now 0.04. The Vitals tab shows when it changed and which pages it changed on.
CLS over time →
Taps and clicks on this element respond slowly
div.gallery > button.next
p75 INP is 344 ms over 9 page views, mostly on /p/sku-68/. Most of the time goes on running the event handler.
Try: The event handler itself is slow: do less work in it, or yield (scheduler.yield / setTimeout) before the heavy part.
INP by element →
Taps and clicks on this element respond slowly
#onetrust-accept-btn-handler
p75 INP is 219 ms over 14 page views, mostly on /p/sku-41/. Most of the time goes on running the event handler.
Try: The event handler itself is slow: do less work in it, or yield (scheduler.yield / setTimeout) before the heavy part.
INP by element →
Taps and clicks on this element respond slowly
nav.toc > a.toc-link
p75 INP is 474 ms over 6 page views, mostly on /p/sku-62/. Most of the time goes on running the event handler. 2 more slow elements are in the Vitals tab.
Try: The event handler itself is slow: do less work in it, or yield (scheduler.yield / setTimeout) before the heavy part.
INP by element →
This element makes the page jump as it loads
header.site-header
p75 CLS is 0.19 on the 10 page views where it shifted, mostly on /p/sku-3/.
Try: Reserve its space before it arrives: width and height (or aspect-ratio) on images and embeds, a min-height for content inserted later, and font-display with matched fallback metrics for web fonts.
CLS by element →
Based on 52 page views. Findings need at least 5 measured page views each, so more show up as traffic grows (try the 30d range).
Trend
By device
| Device | Page views | p75 LCP | p75 INP | p75 CLS |
|---|---|---|---|---|
| Mobile | 52 | 2.03 s | 405 ms | 0.04 |
| Desktop | 47 | 1.33 s | 137 ms | 0.02 |
| Tablet | 12 | 2.08 s | 315 ms | 0.04 |
Does speed cost engagement?
Page views grouped by their own LCP. If slower pages get fewer clicks and less reading, that's the cost of slowness.
| LCP | Page views | Clicks per view | Engaged time | Avg scroll |
|---|---|---|---|---|
| Good | 43 | 1.56 | 38.0 s | 63% |
| Needs improvement | 4 | 1.00 | 12.0 s | 77% |
| Poor | 5 | 0.20 | 11.9 s | 25% |
Biggest changes vs previous 24h
| Measure | Previous | Now | Change |
|---|---|---|---|
| p75 CLS | 0.02 | 0.04 | ▲ 91% |
| p75 INP · Presentation | 75 ms | 121 ms | ▲ 62% |
| p75 INP | 251 ms | 405 ms | ▲ 62% |
| p75 INP · Input delay | 63 ms | 101 ms | ▲ 62% |
| p75 INP · Processing | 113 ms | 182 ms | ▲ 62% |
| p75 LCP · Render delay | 473 ms | 227 ms | ▼ 52% |
| p75 LCP · Load delay | 956 ms | 557 ms | ▼ 42% |
| p75 TTFB · Server wait | 880 ms | 588 ms | ▼ 33% |
| p75 TTFB · Connect | 74 ms | 51 ms | ▼ 31% |
| p75 TTFB | 1.07 s | 764 ms | ▼ 29% |
| p75 FCP | 1.87 s | 1.43 s | ▼ 24% |
| p75 TTFB · TLS | 75 ms | 61 ms | ▼ 18% |