Metrics
INP (Interaction to Next Paint)
I-N-P
What is INP?
The latency between any user interaction and the next visual update. Replaced FID as a Core Web Vital in March 2024. Good threshold is 200ms.
Read more on this
Strategy
Core Web Vitals Impact of UGC Widgets: Performance Data + Pre-Launch Checklist
Poorly built UGC widgets drop PageSpeed by 15-25 points and add 1.8s to LCP, often a bigger SEO loss than the conversion lift they were bought to deliver.
Strategy
How to add social proof without slowing your store
Add UGC and reviews without the speed tax: lazy-load, right-size media, keep scripts non-blocking, reserve layout space. A slow widget erases its own lift.
Strategy
Mobile-first shoppable video design
Most shoppable video is watched on a phone, one-handed, thumb-driven. Design it on a desktop monitor and you design for the minority of your audience.
External reference
web.devSee it working on a live store.
Real storefronts using the thing this page defines.
