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Intersection Observer

Intersection Observer is one of 232 technologies we detect in JavaScript libraries.

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detected by AwesomeTechStack auditsw3.org

About Intersection Observer

Intersection Observer is a browser API that provides a way to observe the visibility and position of a DOM element relative to the containing root element or viewport.

How many people use Intersection Observer

GitHub · npm
  1. #188Cleave.js274
  2. #189Swiffy Slider264
  3. #190MochiKit236
  4. #191Intersection Observer81
  5. #192jComponent64
  6. #193TwicPics56
  7. #194Fresco55

17M npm downloads, last 30 days

#191 of 198 JavaScript libraries we have counts for (of 232) · bars are GitHub stars across these neighbours; the category leader is Axios at 109k · as of September 7, 2026

Compare

Intersection Observer

#191 of 198 JavaScript libraries

stars81
downloads / 30d17M
MochiKit

#190 of 198 JavaScript libraries

stars236

Audit any site that runs Intersection Observer.

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How we audit Intersection Observer

We measure the detected version against Intersection Observer's release history and grade the surrounding stack with a Lighthouse-grade quality audit. Weak or outdated links weigh more - one risky dependency can pull the whole score down.

How the score works

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Technology definitions from a community-maintained catalogue, licensed GPL-3.0. Attribution and source.