lazySizes Usage Statistics

Websites using lazySizes

Download Lead List

Get a list of 556,293 websites using lazySizes which includes location information, hosting data, contact details, 361,370 currently live websites and 194,923 sites that used this technology previously.

Top 10k
Top 100k
Top 1m

Quantcast Top 10k
304 of 10,000


Quantcast Top 100k
1,553 of 100,000


BuiltWith Top Million
5,190 of 772,535


Entire Internet
361,370 of 374,403,828


Log in or Sign up for Free to see lazySizes history back another year to February 2016. View plans for historical access back to April 2015.

Lazy loader for images (responsive and normal), iframes and scripts, that detects any visibility changes triggered through user interaction, CSS or JavaScript without configuration.

Categories: JavaScript Libraries and Functions · Image Library

Technology Won
core-js 42,229
Modernizr 40,978

This table shows where lazySizes are gaining/losing customers from within the technologies in the same sub-categories of Image Library. View the full report for more information regarding countries, states and where lazySizes' customers come from.

Physical locations of businesses using lazySizes.


Top 10,000 Sites
Top 100,000 Sites
Top 1 Million Sites

This chart shows the amount of websites within the top 10k, 100k, and 1 million sites groups that are categorized as being in the specific vertical.

Get access to data on 556,293 websites that have used lazySizes. We know of 361,370 live websites using lazySizes and an additional 194,923 sites that used lazySizes historically

View Website List

Get a list of websites using lazySizes

Pro Screenshot

Image Library


65,826 websites

Magic Toolbox

1,817 websites

Iconic JS

108 websites

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Browse groups of technologies that we track.