Page views
1.4k
7d
▼ 14% vs previous 7d
LCP · p75
2.21 s
80% good · 1.4k samples
▼ 2% vs previous 7d
INP · p75
255 ms
66% good · 908 samples
▼ 1% vs previous 7d
CLS · p75
0.04
88% good · 1.4k samples
▲ 11% vs previous 7d
FCP · p75
1.77 s
76% good · 1.4k samples
▼ 3% vs previous 7d
TTFB · p75
942 ms
66% good · 1.4k samples
▼ 7% vs previous 7d
Happy page views
55%
14% unhappy · 1.4k rated
What to fix first
Slow page loads cost you engagement
Comparing like with like (the same page type), page views whose main content took over 4 s got 46% less engaged time and 80% fewer clicks than ones that loaded in under 2.5 s. Based on 111 slow page views across 5 page types.
Compare fast and slow page views →
Taps and clicks on this element respond slowly
#onetrust-accept-btn-handler
p75 INP is 263 ms over 248 page views, mostly on /. 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 →
This element makes the page jump as it loads
header.site-header
p75 CLS is 0.12 on the 158 page views where it shifted, mostly on /.
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 →
This element makes the page jump as it loads
div.ad-slot
p75 CLS is 0.11 on the 172 page views where it shifted, mostly on /.
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 →
/search/ pages are slow to show their main content
p75 LCP is 2.81 s over 142 full page loads; 11% took over 4 s. Most of the time goes on waiting for the server.
Try: Most of the time passes before the HTML arrives: cache pages at the edge/CDN or speed up the server.
LCP by page and element →
Key presses in this element respond slowly
#search_input
p75 INP is 258 ms over 126 page views, mostly on /. 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 →
2 more findings
Taps and clicks on this element respond slowly
nav.toc > a.toc-link
p75 INP is 258 ms over 112 page views, mostly on /. Most of the time goes on running the event handler. 4 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
#onetrust-banner-sdk
p75 CLS is 0.11 on the 134 page views where it shifted, mostly on /search/.
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 →
Trend
By device
| Device | Page views | p75 LCP | p75 INP | p75 CLS |
|---|---|---|---|---|
| Mobile | 1.4k | 2.21 s | 255 ms | 0.04 |
| Tablet | 366 | 2.28 s | 270 ms | 0.03 |
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 | 1.1k | 1.79 | 34.5 s | 58% |
| Needs improvement | 172 | 0.92 | 25.0 s | 56% |
| Poor | 111 | 0.36 | 18.5 s | 41% |
Biggest changes vs previous 7d
| Measure | Previous | Now | Change |
|---|---|---|---|
| p75 TTFB | 1.01 s | 942 ms | ▼ 7% |
| p75 TTFB · Server wait | 844 ms | 793 ms | ▼ 6% |
| p75 LCP · Render delay | 510 ms | 492 ms | ▼ 4% |
| p75 LCP · Load time | 733 ms | 759 ms | ▲ 3% |
| p75 FCP | 1.83 s | 1.77 s | ▼ 3% |
| p75 LCP | 2.27 s | 2.21 s | ▼ 2% |
| p75 LCP · Load delay | 734 ms | 750 ms | ▲ 2% |