callmecavs/layzr.js

Health v2 · maintenance only

Flags: no_license

Adoption not part of the score

5498 stars · 232 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

Layzr.js is a small JavaScript library for lazy loading images on web pages. It defers image loading until elements scroll into view and selects the best source via srcset support or devicePixelRatio-based retina fallbacks.

Use cases

• lazy load images as the user scrolls
• defer offscreen image loading to speed up page load
• serve retina images only on high-dpi screens
• use srcset with a fallback for older browsers
• reduce initial bandwidth on image-heavy pages

When to choose

• you need a tiny, dependency-free vanilla JS lazy loader
• you must support browsers without native srcset via retina fallbacks
• you want configurable data attributes and scroll events

When to avoid

• your target browsers support native loading='lazy'
• you need an actively maintained library with recent fixes
• you use a framework with built-in lazy loading (e.g., next/image)

Facets

library · maturity abandoned

image-processing ui-components web-development frontend performance browser lazy-loading images srcset retina scroll vanilla-js nodejs

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markdown · JSON · MCP: product_card(name="callmecavs/layzr.js")