IOCCC's tech stack
What does IOCCC use?
IOCCC (ioccc.org) uses at least 7 tools we can see from public records, including GitHub Pages for hosting, Discord for customer support, Fastly for content delivery and Let's Encrypt for security. Last checked .
- Tools found
- 7
- Categories
- 7
- Layers
- 4 of 5
- Last checked
- Oct 2026
IOCCC'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
2 tools, where the bytes are served from
Hosting & Cloud
CDN & Edge
Application
1 tool, what the product is built with
Media & UI
Go-to-market
3 tools, how they find and keep customers
Company Ops
1 tool, what the team runs on day to day
Security & Compliance
IOCCC tech stack FAQ
What tools does IOCCC use?
As of October 2026, runsonwhat has found 7 tools at IOCCC (ioccc.org) in public records. Edge & Hosting: Fastly and GitHub Pages. Application: Google Fonts. Go-to-market: Google Ad Manager and Discord. Company Ops: Let's Encrypt. Last checked October 20, 2026.
What cloud does IOCCC run on?
IOCCC uses GitHub Pages for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found GitHub Pages through a subdomain that points at GitHub Pages and DNS records. GitHub Pages is used by 4,156 companies runsonwhat tracks.
What does IOCCC use for customer support?
IOCCC uses Discord for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Discord through Discord code on ioccc.org. Discord is used by 6,225 companies runsonwhat tracks.
Does IOCCC use Google Fonts?
Yes. runsonwhat found Google Fonts at IOCCC through Google Fonts code on ioccc.org. Google Fonts is a Media & UI tool used by 818,571 companies runsonwhat tracks.
How does runsonwhat know what IOCCC uses?
runsonwhat reads public records only. Of the 7 tools at IOCCC, 3 were found through code on ioccc.org, 2 through DNS records, 1 through website configuration files 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 ioccc.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.