LazyLoad is a tiny (only 998 bytes minified and gzipped), dependency-free JavaScript library that makes it super easy to load external JavaScript and CSS files on demand.
https://github.com/rgrove/lazyload/
JavaScript Libraries and Functions
Get access to data on 2,954,658 websites Lazy Load Customers. We know of 793,366 live websites using Lazy Load and an additional 2,161,292 sites that used Lazy Load historically and 392,218 websites in the United States.
Get a list of 2,954,658 websites using Lazy Load which includes location information, hosting data, contact details, 793,366 currently live websites and an additional 451,706 domains that redirect to sites in this list. 2,161,292 sites that used this technology previouslyand 392,218 websites in the United States currently using Lazy Load.
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