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 2,979,550 websites Lazy Load Customers. We know of 678,561 live websites using Lazy Load and an additional 2,300,989 sites that used Lazy Load historically and 327,430 websites in the United States.
Get a list of 2,979,550 websites using Lazy Load which includes location information, hosting data, contact details, 678,561 currently live websites and an additional 349,716 domains that redirect to sites in this list. 2,300,989 sites that used this technology previouslyand 327,430 websites in the United States currently using Lazy Load.
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