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 580,497 live websites that are using JSON 3.

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Technology usage statistics

Websites using JSON 3 580,497 websites
Most popular in the country Canada
Market position in JavaScript Libraries #58
Market share in JavaScript Libraries 0.29%
Most popular version 3

Technology adoption

Recent changes in JSON 3 usage. (See JSON 3 Usage Changes report)
Websites that added JSON 3 +17,430
Websites that dropped JSON 3 -7,734
Websites that changed version of JSON 3 1

Distribution by websites popularity

JSON 3 detection in the top websites by popularity
Top 10k sites 13 websites
Top 100k sites 164 websites
Top 1m sites 1,908 websites

Websites utilizing JSON 3

Top websites that use JSON 3

Domain Country Rank Contacts
www.dhs.gov United States of America 2,426
tocplus.com United States of America 3,938
tocplus.co.kr United States of America 4,019
www.qzzr.com United States of America 4,201
www.cbp.gov United States of America 4,497
www.fonts.com United States of America 4,914
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Flat price per the report, subscription is not required.

Market Share

JSON 3 market share within the JavaScript Libraries category

Geographical Distribution

Technology usage distribution by websites across the globe.


  • 0 (4 subversions, 69 domains)
  • 1 (2 subversions, 2 domains)
  • 2 (1 subversions, 1 domains)
  • 3 (9 subversions, 2,705 domains)