Flask 2.x icon

Websites using Flask 2.x

Flask is a Python micro web framework ideal for rapidly constructing web applications, offering minimalism, flexibility, and modularity.

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1.1k live Flask 2.x sites, ready to export.

That's how many Flask 2.x websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.

Pick a ready-made template, or build your own filters in the Lead List Exporter and pay only for the rows you export.

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Every Flask 2.x website we detected in France.

Only sites where a business, company-hosted email was found.

Sites with at least one business LinkedIn profile.

Start with the highest-traffic end of the dataset.

Limit results to Flask 2.x websites on .com domains.

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Versions

Which Flask 2.x versions are most used?

We could read a version number on 96% of Flask 2.x sites. Of those, the most common are Flask 2.0.2, on 819 sites, Flask 2.2.2, on 222 sites and Flask 2.0.3, on 22 sites.

74% on v2.0.2
Versions detected
10
Sites with a version
1,109
Share of sites by version
v2.0.2 74% v2.2.2 20% v2.0.3 2% v2.2.3 2% v2.1.2 1% v2.0.1 1% v2.0.0 <1% v2.3.3 <1% v2.3.0 <1% v2.1.1 <1%
Live Websites

Websites Using Flask 2.x

A sample of live Flask 2.x sites from our latest crawl, with the other technologies each one runs.

How many websites use Flask 2.x?

We found Flask 2.x on 1,152 websites in our September 2026 crawl, across 95 countries.

Which countries use Flask 2.x the most?

By number of websites, the top countries are France (16%, 187 sites), United States (14%, 156 sites), Germany (10%, 118 sites), Spain (7%, 85 sites) and Belgium (4%, 41 sites). Together they account for 51% of the 1,152 Flask 2.x sites we track. 37% of the sites are in English, and .com is the most used domain ending, on 35% of them.

Where are Flask 2.x websites hosted?

The networks carrying the most Flask 2.x sites are OVH SAS (194 sites), Hetzner Online GmbH (159 sites) and Amazon.com, Inc. (113 sites).

What technologies are used with Flask 2.x?

Across the 1,152 Flask 2.x sites we track, the technologies most often found alongside it are Python (100%, 1,152 sites), PostgreSQL (84%, 968 sites), Less (84%, 967 sites), Odoo (84%, 967 sites) and Google Analytics (24%, 275 sites).

Deep Dive

Breakdown of Flask 2.x websites

What else they run, plus their language, hosting network, domain extension and country.

FAQ

Answers drawn from our latest crawl of Flask 2.x websites. Anything else, email us and we will look it up.

Through our own crawl, which checks each site's HTML, scripts and headers rather than relying on self-reported data.