runsonwhat

Crit's tech stack

What does Crit use?

Crit (crit.md) uses at least 6 tools we can see from public records, including Fly.io for hosting, Sentry for monitoring and Cloudflare for content delivery. Last checked .

Tools found
6
Categories
6
Layers
4 of 5
Last checked
Oct 2026

Crit'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

2 tools, what the product is built with

Data & Observability

1 tool, what they measure and store

Monitoring

Go-to-market

1 tool, how they find and keep customers

Crit tech stack FAQ

What tools does Crit use?

We've found 6 tools at Crit (crit.md). Edge & Hosting: Cloudflare and Fly.io. Application: YouTube. Data & Observability: Sentry. Last checked October 2, 2026.

What cloud does Crit run on?

Crit uses Fly.io for hosting. We found Fly.io through website code.

Does Crit use Cloudflare?

Yes. We found Cloudflare at Crit through DNS records. Cloudflare is used by 147,753 companies we track.

How does runsonwhat know what Crit uses?

We read public traces only: Crit's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website 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.