LazySizes
LazySizes is a JavaScript library used to delay the loading of images (iframes, scripts, etc) until they come into view.
- Indexed sites
- 2,445
- Share of JavaScript libraries
- 7%
LazySizes vs Lozad.js
LazySizes is the more common of the two in our index: it runs on 2,445 websites against 230 for Lozad.js, and 6 sites use both. Counts come from real scans, not vendor claims.
- 2,445
- 230
Lozad.js
Lozad.js is a lightweight lazy-loading library that's just 535 bytes minified & gzipped.
- Indexed sites
- 230
- Share of JavaScript libraries
- 1%
Well-known sites using it
All 230 sitesUsed together
6 sites run both LazySizes and Lozad.js. That is 3% of the sites using Lozad.js, the smaller of the two.
More comparisons
- core-js vs jQueryJavaScript libraries
- jQuery vs SwiperJavaScript libraries
- jQuery vs jQuery MigrateJavaScript libraries
- core-js vs SwiperJavaScript libraries
- core-js vs jQuery MigrateJavaScript libraries
- jQuery Migrate vs SwiperJavaScript libraries
- LazySizes vs Priority HintsPerformance
- Lozad.js vs Priority HintsPerformance
- Azure Monitor vs LazySizesPerformance
- Azure Monitor vs Lozad.jsPerformance
Want to know which one a particular site uses? Look it up and see its whole stack, or compare two sites side by side.