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.


We have discovered  3,068 live websites   that are using Flask.

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Technology usage statistics

Websites using Flask3,068 websites
Most popular in the country United States
Market position in Web Application Frameworks#42
Market share in Web Application Frameworks<0.1%
Most popular version0.14.1

Technology adoption

Recent changes in Flask usage. (See Flask Usage Changes report)
Websites that added Flask+88
Websites that dropped Flask-136
Websites that changed version of Flask70

Flask usage distribution by website rank

The correlation between utilization of Flask technology and the relative popularity of websites

Market Share

Flask market share within the Web Application Frameworks category



Geographical Distribution

Technology usage distribution by websites across the globe.



Websites utilizing Flask

Top websites that use Flask
DomainCountryRankContacts
via.placeholder.com United States2,802
www.nweurope.eu France60,621
paganinirossi.com Uruguay96,119
projectwork.forscale.nl Netherlands146,394
ami.conversantmedia.com United States157,420
eledia.de Germany186,612
See full domain list

Always Used together


Python: Total 391,868 domains found using Python
Category - Programming Languages. 35,473,260 domains found using Programming Languages


Alternative Technologies


React: Total 5,056,885 domains found using React
Microsoft ASP.NET: Total 3,593,034 domains found using Microsoft ASP.NET
Adobe ColdFusion: Total 1,259,137 domains found using Adobe ColdFusion
AngularJS: Total 761,890 domains found using AngularJS
Ruby on Rails: Total 527,065 domains found using Ruby on Rails
Vue.js: Total 423,263 domains found using Vue.js
Microsoft ASP.NET MVC: Total 322,106 domains found using Microsoft ASP.NET MVC
Laravel: Total 295,477 domains found using Laravel
Express: Total 217,478 domains found using Express
Next.js: Total 209,879 domains found using Next.js





Major Versions

  • 0.xx (24 subversions, 2,242 domains)
  • 1.xx (2 subversions, 326 domains)
  • 2.xx (16 subversions, 436 domains)
  • 3.xx (2 subversions, 61 domains)