Technical SEO
Interaction to Next Paint
Interaction to Next Paint measures page responsiveness from a click, tap or key press until the browser presents the next visual frame.
What it means
INP observes interactions across the page visit and normally reports the longest latency while reducing the influence of outliers on highly interactive pages. A field value of 200 milliseconds or less is considered good at the 75th percentile.
Why it matters
A page can load quickly yet feel broken when menus, filters or checkout controls respond late. INP includes input delay, event-handler processing and presentation delay, making it broader than the retired First Input Delay metric.
Example
Opening a mobile filter waits 350 milliseconds for the main thread, runs a 120-millisecond handler and then spends 90 milliseconds recalculating layout. Splitting unrelated long work and reducing the rendered DOM address different parts of the same slow interaction.
Common mistakes
Do not test INP without performing representative interactions, use Total Blocking Time as an exact replacement or optimize only the first click. Scrolling and hovering are not INP interactions, and a missing value does not prove instant responsiveness.
How AYSA handles this
Signals reviewed
Interaction attribution, input delay, handler duration, presentation delay, long tasks
Problem AYSA can identify
AYSA can reproduce key flows and associate slow interactions with blocking work, expensive handlers or excessive rendering.
Recommendation prepared
The proposal names the affected control and scopes task splitting, handler changes or rendering reductions to that user flow.
Approval preview
The user sees the tested interaction sequence, timing breakdown and any code or behavior change before approval.
Execution
AYSA can apply approved JavaScript and template changes in supported WordPress code; application-owned components may require their developer.
Verification
AYSA repeats identical interaction scripts under comparable conditions and watches field trends when sufficient data becomes available.
Limits
Lab coverage depends on scripted actions, while sparse or unperformed interactions may not yield a representative field value.
Sources and further reading
- web.dev — Interaction to Next Paint — Official Chrome documentation
- web.dev — Web Vitals — Official Chrome documentation
- Google Search Central — Core Web Vitals report — Official platform documentation
Written by Marius Dosinescu. Reviewed by AYSA SEO Editorial Team · 2026-07-28 00:00:00.
Quick answers
Frequently asked questions
How is INP different from FID?
FID measured only the input delay of the first interaction; INP evaluates interactions throughout the visit through the browser's next painted frame.
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