ro.co draws its body text in Source Sans 3. That is the only custom font on the page. We measured it on October 21, 2026.
The fonts ro.co draws
| Font | Used for | Share of its custom-font text | Licence | How common |
|---|---|---|---|---|
| Source Sans 3 | Body text | 100% | Open source | 9 of 407 sites (rank 4) |
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?
- Source Sans 3 is open source and free to use, including commercially. Get it from Google Fonts.
ro.co among health and wellness sites
ro.co is one of the 15 health and wellness sites we measured. Across them, Roboto is the most used font you can get, on 2 of the 15 (13%). All the fonts health and wellness sites use.
What pairing does ro.co use?
ro.co has no heading and body font pair to compare, because no single font clearly leads both. Pairings real sites use.
Other health and wellness sites we measured
- webmd.com Source Sans 3
- calm.com Figtree
- fitbit.com Google Sans
- flo.health Roboto
- headspace.com Headspace Apercu
- mayoclinic.org Mayo Clinic Sans, Mayo Clinic Serif
See the fonts on all 407 sites.
FAQ
What font does ro.co use?
ro.co draws its body text in Source Sans 3. We measured it on October 21, 2026.
Is Source Sans 3 free?
Yes. Source Sans 3 is open source and free for commercial use, according to Google Fonts.
What font pairing does ro.co use?
ro.co does not have a clear heading and body pair: no single font leads both.
Can I use the same fonts as ro.co 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 ro.co. Each font's licence is on this page, from its source.
How do you know which font ro.co uses?
We opened ro.co 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.