eff.org draws its headings in Montserrat and its body text in Merriweather. It uses 2 fonts in all. We measured it on October 21, 2026.
The fonts eff.org draws
| Font | Used for | Share of its custom-font text | Licence | How common |
|---|---|---|---|---|
| Merriweather | Body text | 56.1% | Open source | 2 of 407 sites (rank =29) |
| Montserrat | Headings | 43.9% | Open source | 1 of 407 sites (rank =54) |
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?
- Merriweather is open source and free to use, including commercially. Get it from Google Fonts.
- Montserrat is open source and free to use, including commercially. Get it from Google Fonts.
eff.org among nonprofit, government and reference sites
eff.org is one of the 11 nonprofit, government and reference sites we measured. Across them, Merriweather is the most used font you can get, on 2 of the 11 (18%). All the fonts nonprofit, government and reference sites use.
What pairing does eff.org use?
Montserrat for headings with Merriweather for body text does not repeat on another analyzed site, so there is no shared pairing to show. Pairings that do repeat.
Other nonprofit, government and reference sites we measured
- usa.gov Source Sans 3, Merriweather
- creativecommons.org DM Sans, DM Mono
- esa.int NotesEsa
- greenpeace.org Source Sans 3, Greenpeace Sans
- mozilla.org Mozilla
- redcross.org Roboto, Open Sans
See the fonts on all 407 sites.
FAQ
What font does eff.org use?
eff.org draws its headings in Montserrat and its body text in Merriweather. It uses 2 fonts in all: Merriweather, Montserrat. We measured it on October 21, 2026.
Is Montserrat free?
Yes. Montserrat is open source and free for commercial use, according to Google Fonts.
What font pairing does eff.org use?
Montserrat for headings and Merriweather for body text. It does not repeat on another analyzed site.
Can I use the same fonts as eff.org 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 eff.org. Each font's licence is on this page, from its source.
How do you know which font eff.org uses?
We opened eff.org 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.