jQuery vs LazySizes

jQuery is the more common of the two in our index: it runs on 25,753 websites against 2,844 for LazySizes, and 2,182 sites use both. Counts come from real scans, not vendor claims.

jQuery: 25,753
LazySizes: 2,844

jQuery

jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.

Indexed sites: 25,753
Share of JavaScript libraries: 66%

Well-known sites using it

All 25,753 sites

LazySizes

LazySizes is a JavaScript library used to delay the loading of images (iframes, scripts, etc) until they come into view.

Indexed sites: 2,844
Share of JavaScript libraries: 7%

Well-known sites using it

All 2,844 sites

Used together

2,182 sites run both jQuery and LazySizes. That is 77% of the sites using LazySizes, the smaller of the two.

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Want to know which one a particular site uses? Look it up and see its whole stack, or compare two sites side by side.