vanilla-lazyload

LazyLoad is a lightweight (2.4 kB) and flexible script that speeds up your web application by deferring the loading of your below-the-fold images, videos and iframes to when they will enter the viewport. It's written in plain "vanilla" JavaScript, it leve

v19.1.3 URL: https://unpkg.com/vanilla-lazyload@19.1.3/dist/lazyload.min.js

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lazyload vanilla responsive images picture srcset sizes native SEO intersectionObserver progressive performance perfmatters async no-jquery

quicklink2

Faster subsequent page-loads by prefetching in-viewport links during idle time

v2.3.1000 URL: https://unpkg.com/quicklink2@2.3.1000/dist/quicklink.umd.js

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prefetch performance fetch intersectionobserver background speed

@expressen/tallahassee

Lightweight client testing framework

v16.0.2 URL: https://unpkg.com/@expressen/tallahassee@16.0.2/index.js

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headless browser fake mock IntersectionObserver MutationObserver iframe

@svelte-put/intersect

Action that wraps IntersectionObserver

v4.0.0 URL: https://unpkg.com/@svelte-put/intersect@4.0.0/src/index.js

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svelte action intersect IntersectionObserver lazy load lazyload

react-dom-lazyload-component

React Lazy Load Component for your Website Performance🚀

v6.0.0 URL: https://unpkg.com/react-dom-lazyload-component@6.0.0/dist/cjs/index.js

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React JavaScript TypeScript IntersectionObserver Core Web Vitals