Category - JavaScript Libraries

JSON 3 was a JSON polyfill for older JavaScript platforms. JSON 3 exposes two functions: stringify() for serializing a JavaScript value to JSON, and parse() for producing a JavaScript value from a JSON source string.

We have discovered 1,050,500 live websites that are using JSON 3.

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Technology usage statistics

Websites using JSON 31,050,500 websites
Most popular in the country US
Market position in JavaScript Libraries#41
Market penetration in JavaScript Libraries2.33%
Most popular version3.3.2

Technology adoption

Recent changes in JSON 3 usage. (See JSON 3 Usage Changes report)
Websites that added JSON 3+552,018
Websites that dropped JSON 3-259,418
Websites that changed version of JSON 33

Distribution by websites popularity

JSON 3 detection in the top websites by popularity
Top 10k sites12 websites
Top 100k sites200 websites
Top 1m sites4,444 websites

Websites utilizing JSON 3

Top websites that use JSON 3

tocplus.com US3,938
tocplus.co.kr KR4,019
www.qzzr.com US4,201
www.cbp.gov US4,497
for.dontkinhooot.tw TW4,680
feedback-team.com US5,718
See full domain list
Flat price per the report, subscription is not required.

Geographical Distribution

Technology usage distribution by websites across the globe.

Alternative Technologies

jQuery: Total 34,514,920 domains found using jQuery
jQuery Migrate: Total 13,969,713 domains found using jQuery Migrate
Bootstrap: Total 10,365,336 domains found using Bootstrap
Polyfill IO: Total 9,678,276 domains found using Polyfill IO
Polyfill: Total 8,450,483 domains found using Polyfill
jQuery UI: Total 6,713,662 domains found using jQuery UI
Google Hosted Libraries: Total 5,473,740 domains found using Google Hosted Libraries
html5shiv: Total 5,222,161 domains found using html5shiv
React: Total 5,172,702 domains found using React
Modernizr: Total 3,863,922 domains found using Modernizr


  • 0 (4 subversions, 75 domains)
  • 1 (2 subversions, 3 domains)
  • 2 (1 subversions, 1 domains)
  • 3 (9 subversions, 2,447 domains)