sentry.io draws its headings in dammit sans v0.3 and its body text in Rubik. It uses 2 fonts in all. We measured it on October 21, 2026.
The fonts sentry.io draws
| Font | Used for | Share of its custom-font text | Licence | How common |
|---|---|---|---|---|
| Rubik | Body text | 92.5% | Open source | 1 of 407 sites (rank =54) |
| dammit sans v0.3 | Headings | 7.5% | Not verified as obtainable | – |
Share is how much of the page’s custom-font text each font draws. System fonts and icon fonts are never counted. Each site was opened twice in a real browser and Chrome was asked which font file drew each piece of text. We count a font for a site only if both runs saw it and it drew at least 2% of the site’s custom-font text. The full method.
Can I use the same fonts?
- Rubik is open source and free to use, including commercially. Get it from Google Fonts.
- dammit sans v0.3: we could not verify that this typeface can be licensed, so we neither recommend it nor link a source.
sentry.io among developer tools and infrastructure sites
sentry.io is one of the 62 developer tools and infrastructure sites we measured. Across them, Inter is the most used font you can get, on 25 of the 62 (40%). All the fonts developer tools and infrastructure sites use.
What pairing does sentry.io use?
dammit sans v0.3 for headings with Rubik for body text does not repeat on another analyzed site, so there is no shared pairing to show. Pairings that do repeat.
Other developer tools and infrastructure sites we measured
- algolia.com Sora, Inter
- angular.dev Inter, DM Mono
- astro.build Obviously, Inter, MD IO
- auth0.com Aeonik, Aeonik Mono
- aws.amazon.com Amazon Ember, Amazon Ember Mono
- bun.sh Martian Mono, Archivo
See the fonts on all 407 sites.
FAQ
What font does sentry.io use?
sentry.io draws its headings in dammit sans v0.3 and its body text in Rubik. It uses 2 fonts in all: Rubik, dammit sans v0.3. We measured it on October 21, 2026.
Is dammit sans v0.3 free?
We could not verify that dammit sans v0.3 can be licensed, so we do not state a licence.
What font pairing does sentry.io use?
dammit sans v0.3 for headings and Rubik for body text. It does not repeat on another analyzed site.
Can I use the same fonts as sentry.io on my own site?
Only if the licence allows it. Free and open-source fonts can be used freely. Commercial fonts need your own licence, even though you can see the file on sentry.io. Each font's licence is on this page, from its source.
How do you know which font sentry.io uses?
We opened sentry.io in a real browser and asked Chrome which font file drew each piece of text, twice in separate sessions. A font counts only if both runs saw it and it drew at least 2% of the site's custom-font text.
Can I check a different website?
Yes. Paste its address into the free font finder.