INP Deep Dive
Q1 2026 | 55,913 sitesInteraction to Next Paint: main-thread blocking time, long animation frames, yielding strategies, and third-party impact on interactivity.
INP Distribution
INP 87ms. p75 109ms. p99 330ms. 94.7% pass.
INP Pass Rates
INP passes on 94.7% of sites. 4.9% need improvement, 0.4% fail.
What Drives INP?
0
0
2
5
>p98
>p98
1
1
4
9–11
>p98
>p98
3–6
3–6
32–73
173–405
>p98
>p98
Each row shows how the median INP shifts as a page metric increases. Dots represent bucket medians — wider spread means stronger influence on INP.
Blocking Time Distribution
How median INP shifts as each page metric increases. Use the dropdown to explore different factors.
Top blocking scripts
First-party appears in long animation frames on 32% of sites, median INP 91ms.
Blocking by script category
LoAF blocking time attributed by script category.
Yielding API adoption
Yielding API adoption is none on 67.9% of sites (37,937 of 55,877), requestIdleCallback() on 27.3%, scheduler.yield() on 4.8%.
Ranked fastest first: scheduler.yield() 82ms, none 84ms, requestIdleCallback() 93ms, isInputPending() 97ms.