Flask

Category - Web Application Frameworks Web Servers

Flask is a web framework. It provides you with tools, libraries and technologies that allow you to build a web application.

Technology usage statistics

Websites using Flask 309 websites
Most popular in the country United States of America
Market position in Web Application Frameworks #29
Market share in Web Application Frameworks <0.1%
Most popular version 0.14.1

Technology adoption

Recent changes in Flask usage. (See Flask Usage Changes report)
Websites that added Flask +39
Websites that dropped Flask -35
Websites that changed version of Flask 9

Distribution by websites popularity

Flask detection in the top websites by popularity
Top 10k sites 0 websites
Top 100k sites 3 websites
Top 1m sites 22 websites

Websites utilizing Flask

Top websites that use Flask

Domain Country Rank Contacts
ahcacao.com United States of America 15,362
monpedal.com Spain 47,439
go.qubit.com United States of America 66,292
nationalrehab.org United States of America 219,252
jamdex.herokuapp.com United States of America 253,946
paste.openstack.org United States of America 417,170
See full domain list

Market Share

Flask market share within the Web Application Frameworks category

Geographical Distribution

Technology usage distribution by websites across the globe.






Versions (by popularity)

  • 0.14.1 (23.95%)
  • 0.11.15 (10.03%)
  • 1.0.1 (9.71%)
  • 0.16.0 (7.44%)
  • 0.10.4 (7.44%)
  • 0.11.11 (6.80%)
  • 0.9.6 (6.47%)
  • 0.12.2 (5.18%)
  • 0.9.4 (4.53%)
  • 0.15.5 (2.27%)

See all 28 versions ...

Always Used together


Python: Total 175,991 domains found using Python
Category - Programming Languages. 5,248,446 domains found using Programming Languages


Flask often used together with


Category - Programming Languages.
Python is used together with Flask on 343 domains. Total 175,991 domains found using Python
Category - Document Encoding.
UTF-8 is used together with Flask on 306 domains. Total 8,853,308 domains found using UTF-8
Category - Document Standards.
JavaScript is used together with Flask on 252 domains. Total 6,741,983 domains found using JavaScript
Category - Document Standards.
HTML5 Tags is used together with Flask on 219 domains. Total 4,452,760 domains found using HTML5 Tags
Category - Mobile.
Viewport Meta is used together with Flask on 216 domains. Total 5,033,722 domains found using Viewport Meta
Category - Document Standards.
X-UA-Compatible is used together with Flask on 150 domains. Total 2,380,267 domains found using X-UA-Compatible


Alternative Technologies


Adobe ColdFusion: Total 2,306 domains found using Adobe ColdFusion
Akka HTTP: Total 321 domains found using Akka HTTP
Apache Wicket: Total 448 domains found using Apache Wicket
ASP.NET Core: Total 1,741 domains found using ASP.NET Core
Blazor: Total 147 domains found using Blazor
Bonfire: Total 122 domains found using Bonfire
CakePHP: Total 4,341 domains found using CakePHP
CherryPy: Total 359 domains found using CherryPy
CheryFramework: Total 2,933 domains found using CheryFramework
CodeIgniter: Total 23,884 domains found using CodeIgniter