Discourse 3.x icon

Websites using Discourse 3.x

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Discourse is an open-source internet forum and mailing list management software application.

Lead List Exporter

1.1k live Discourse 3.x sites, ready to export.

That's how many Discourse 3.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.

Open the Lead List Exporter

Just need a few domains? Export up to 10 free from a subset of our crawl.

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Discourse 3.x companies in the United States

Every Discourse 3.x website we detected in the United States.

Companies with personnel emails

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

Decision makers on LinkedIn

Sites with at least one personnel LinkedIn profile.

Top 100,000 Discourse 3.x sites by traffic

Start with the highest-traffic end of the dataset.

Sites on a .com domain

Limit results to Discourse 3.x websites on .com domains.

Companies with phone numbers

Only sites where an organisation phone number was found.

Create your own
Versions

Which Discourse 3.x versions are most used?

We could read a version number on 84% of Discourse 3.x sites. Of those, the most common are Discourse 3.5.0, on 350 sites, Discourse 3.4.0, on 194 sites and Discourse 3.3.0, on 124 sites.

35% on v3.5.0
Versions detected
33
Sites with a version
1,000
Share of sites by version
v3.5.0 35% v3.4.0 19% v3.3.0 12% v3.1.0 12% v3.2.0 8% v3.5.2 2% v3.4.7 1% v3.5.1 1% v3.3.2 1% v3.4.2 1% v3.4.6 1% v3.0.0 1% v3.5.3 1% v3.1.3 1% v3.3.3 0% v3.3.1 0% v3.4.1 <1% v3.4.4 <1% v3.0.6 <1% v3.5.4 <1% v3.1.5 <1% v3.1.1 <1% v3.2.3 <1% v3.2.2 <1% v3.2.1 <1% v3.4.3 <1% v3.2.5 <1% v3.4.5 <1% v3.0.5 <1% v3.1.4 <1% v3.0.1 <1% v3.2.4 <1% v3.0.3 <1%
Live Websites

Websites Using Discourse 3.x

A sample of live Discourse 3.x sites from our latest crawl, with the other technologies each one runs.

Open in the Lead List Exporter
DomainAlso runsCrawl Date
forumautomation.com
HTTP/3HSTSCloudflareRuby on Rails
September 27, 2026
swissforum.co.uk
HTTP/3CloudflareRuby on Rails
September 26, 2026
kinomod.gg
HTTP/3HSTSCloudflareRuby on Rails
September 26, 2026
pjirc.com
NginxHSTSRuby on Rails
September 26, 2026
ceshiren.com
NginxHSTSRuby on Rails
September 26, 2026
selectbutton.net
NginxHSTSRuby on Rails
September 25, 2026
nruns.com
NginxHSTSRuby on Rails
September 25, 2026
impulse99.com
HTTP/3CloudflareRuby on Rails
September 24, 2026
kattegale.dk
HTTP/3CloudflareGoogle AnalyticsRuby on Rails
September 23, 2026
thedenforum.com
HTTP/3CloudflareFont AwesomeGoogle AdSenseStripe
September 23, 2026

How many websites use Discourse 3.x?

We found Discourse 3.x on 1,194 websites in our September 2026 crawl, across 64 countries.

Which countries use Discourse 3.x the most?

By number of websites, the top countries are United States (27%, 327 sites), Germany (13%, 155 sites), France (5%, 62 sites), Netherlands (3%, 37 sites) and United Kingdom (3%, 34 sites). Together they account for 52% of the 1,194 Discourse 3.x sites we track. 64% of the sites are in English, and .com is the most used domain ending, on 41% of them.

Where are Discourse 3.x websites hosted?

The networks carrying the most Discourse 3.x sites are DigitalOcean, LLC (214 sites), Cloudflare, Inc. (188 sites) and Hetzner Online GmbH (129 sites).

What technologies are used with Discourse 3.x?

Across the 1,194 Discourse 3.x sites we track, the technologies most often found alongside it are Ruby on Rails (100%, 1,194 sites), Nginx (79%, 946 sites), HSTS (71%, 850 sites), HTTP/3 (27%, 327 sites) and Cloudflare (26%, 310 sites).

Deep Dive

Breakdown of Discourse 3.x websites

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

FAQ

Answers drawn from our latest crawl of Discourse 3.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.