4chan's tech stack
What does 4chan use?
4chan (4chan.org) uses at least 18 tools we can see from public records, including Tumblr for its website and Cloudflare for content delivery. Last checked .
- Tools found
- 18
- Categories
- 4
- Layers
- 2 of 5
- Last checked
- Oct 2026
4chan's stack, layer by layer
Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
1 tool, where the bytes are served from
CDN & Edge
Go-to-market
17 tools, how they find and keep customers
Website & CMS
Marketing
Companies like 4chan also use
Tools common among companies with a similar stack that we haven't found at 4chan.
Companies with a stack like 4chan's
Ranked by shared tools, with rare tools counting more.
4chan tech stack FAQ
What tools does 4chan use?
As of October 2026, runsonwhat has found 18 tools at 4chan (4chan.org) in public records. Edge & Hosting: Cloudflare. Go-to-market: Google Ad Manager, Microsoft Xandr and Criteo. Last checked October 17, 2026.
What is 4chan's website built with?
4chan uses Tumblr for its website, according to runsonwhat (October 2026). runsonwhat found Tumblr through a subdomain that points at Tumblr. Tumblr is used by 388 companies runsonwhat tracks.
Does 4chan use Cloudflare?
Yes. runsonwhat found Cloudflare at 4chan through DNS records that point at Cloudflare and email records. Cloudflare is a CDN & Edge tool used by 692,018 companies runsonwhat tracks.
Which companies have a tech stack similar to 4chan's?
The companies with the stacks most like 4chan's are frenzoo, Storm8, Citymapper and Exante Diet, according to runsonwhat (October 2026). Each shares 8 to 14 tools with 4chan, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what 4chan uses?
runsonwhat reads public records only. Of the 18 tools at 4chan, 15 were found through website configuration files, 2 through DNS records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and 4chan.org about monthly.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.