Page views
51
24h
▼ 54% vs previous 24h
LCP · p75
1.33 s
96% good · 51 samples
▼ 16% vs previous 24h
INP · p75
177 ms
81% good · 36 samples
▲ 44% vs previous 24h
CLS · p75
0.02
88% good · 51 samples
▼ 67% vs previous 24h
FCP · p75
1.15 s
94% good · 51 samples
▼ 13% vs previous 24h
TTFB · p75
603 ms
86% good · 51 samples
▼ 22% vs previous 24h
Happy page views
78%
10% unhappy · 51 rated
What to fix first
This element makes the page jump as it loads
div.ad-slot
p75 CLS is 0.36 on the 5 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 →
INP got 44% worse than the previous 24h
p75 INP is now 177 ms. The Vitals tab shows when it changed and which pages it changed on.
INP over time →
Taps and clicks on this element respond slowly
nav.toc > a.toc-link
p75 INP is 250 ms over 6 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 →
Taps and clicks on this element respond slowly
div.related-articles > a
p75 INP is 220 ms over 3 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 →
All three Core Web Vitals pass
p75 LCP 1.33 s, INP 177 ms, CLS 0.02: that's Google's "good" for each. Watch "Biggest changes" for regressions.
Vitals →
Based on 51 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 |
|---|---|---|---|---|
| Desktop | 51 | 1.33 s | 177 ms | 0.02 |
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 | 49 | 1.82 | 42.0 s | 59% |
| Needs improvement | 1 | 1.00 | 8.5 s | 11% |
| Poor | 1 | 0.00 | 5.8 s | 63% |
Biggest changes vs previous 24h
| Measure | Previous | Now | Change |
|---|---|---|---|
| p75 CLS | 0.06 | 0.02 | ▼ 67% |
| p75 INP · Presentation | 37 ms | 53 ms | ▲ 44% |
| p75 INP · Processing | 55 ms | 80 ms | ▲ 44% |
| p75 INP | 123 ms | 177 ms | ▲ 44% |
| p75 INP · Input delay | 31 ms | 44 ms | ▲ 44% |
| p75 TTFB · TLS | 54 ms | 38 ms | ▼ 30% |
| p75 LCP · Load delay | 388 ms | 280 ms | ▼ 28% |
| p75 TTFB · Server wait | 658 ms | 476 ms | ▼ 28% |
| p75 LCP · Render delay | 393 ms | 286 ms | ▼ 27% |
| Avg engaged time | 32.8 s | 40.6 s | ▲ 24% |
| p75 TTFB | 768 ms | 603 ms | ▼ 22% |
| p75 LCP | 1.59 s | 1.33 s | ▼ 16% |