Page views
104
24h
▼ 39% vs previous 24h
LCP · p75
2.35 s
77% good · 104 samples
▼ 13% vs previous 24h
INP · p75
227 ms
72% good · 68 samples
▲ 17% vs previous 24h
CLS · p75
0.06
88% good · 104 samples
▲ 115% vs previous 24h
FCP · p75
2.34 s
63% good · 104 samples
▼ 13% vs previous 24h
TTFB · p75
1.21 s
55% good · 104 samples
▼ 20% vs previous 24h
Happy page views
60%
16% unhappy · 104 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 74% less engaged time and 86% fewer clicks than ones that loaded in under 2.5 s. Based on 11 slow page views across 1 page type.
Compare fast and slow page views →
INP got 17% worse than the previous 24h
p75 INP is now 227 ms. The Vitals tab shows when it changed and which pages it changed on.
INP over time →
CLS got 115% worse than the previous 24h
p75 CLS is now 0.06. The Vitals tab shows when it changed and which pages it changed on.
CLS over time →
Mobile visitors get a much slower LCP
p75 LCP is 2.70 s on mobile against 1.48 s on desktop. Mobile is 56% of your page views.
Try: Test on a real mid-range phone or with CPU throttling: big images, heavy JavaScript and third-party scripts cost far more there.
LCP by device →
Mobile visitors get a much slower INP
p75 INP is 394 ms on mobile against 103 ms on desktop. Mobile is 56% of your page views.
Try: Test on a real mid-range phone or with CPU throttling: big images, heavy JavaScript and third-party scripts cost far more there.
INP by device →
Taps and clicks on this element respond slowly
#onetrust-accept-btn-handler
p75 INP is 360 ms over 16 page views, mostly on /search/. 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 →
4 more findings
Taps and clicks on this element respond slowly
div.gallery > button.next
p75 INP is 381 ms over 12 page views, mostly on /search/. 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 418 ms over 10 page views, mostly on /search/. 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
#onetrust-banner-sdk
p75 CLS is 0.11 on the 15 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 →
This element makes the page jump as it loads
div.ad-slot
p75 CLS is 0.14 on the 10 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 →
Based on 104 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 | 58 | 2.70 s | 394 ms | 0.08 |
| Desktop | 39 | 1.48 s | 103 ms | 0.03 |
| Tablet | 7 | 3.72 s | 244 ms | 0.00 |
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 | 80 | 1.91 | 38.3 s | 57% |
| Needs improvement | 13 | 0.62 | 24.2 s | 68% |
| Poor | 11 | 0.27 | 10.0 s | 42% |
Biggest changes vs previous 24h
| Measure | Previous | Now | Change |
|---|---|---|---|
| p75 CLS | 0.03 | 0.06 | ▲ 115% |
| Avg engaged time | 25.2 s | 33.5 s | ▲ 33% |
| p75 TTFB · DNS | 69 ms | 48 ms | ▼ 30% |
| p75 TTFB | 1.51 s | 1.21 s | ▼ 20% |
| p75 INP · Processing | 87 ms | 102 ms | ▲ 17% |
| p75 INP · Presentation | 58 ms | 68 ms | ▲ 17% |
| p75 INP | 193 ms | 227 ms | ▲ 17% |
| p75 LCP | 2.71 s | 2.35 s | ▼ 13% |
| p75 TTFB · Server wait | 1.23 s | 1.07 s | ▼ 13% |
| p75 FCP | 2.70 s | 2.34 s | ▼ 13% |
| p75 LCP · Render delay | 1.18 s | 1.03 s | ▼ 13% |
| Avg scroll depth | 54% | 57% | ▲ 5% |