npmjs.com draws its headings in Poppins and its body text in Source Sans 3. It uses 3 fonts in all. We measured it on November 4, 2026.
The fonts npmjs.com draws
| Font | Used for | Share of its custom-font text | Licence | How common |
|---|---|---|---|---|
| Arimo | Smaller text | 57.7% | Open source | – |
| Poppins | Headings | 26.1% | Open source | 13 of 845 sites (rank =7) |
| Source Sans 3 | Body text | 16.2% | Open source | 17 of 845 sites (rank 6) |
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?
- Arimo is open source and free to use, including commercially. Get it from Google Fonts.
- Poppins is open source and free to use, including commercially. Get it from Google Fonts.
- Source Sans 3 is open source and free to use, including commercially. Get it from Google Fonts.
npmjs.com among developer tools and infrastructure sites
npmjs.com is one of the 89 developer tools and infrastructure sites we measured. Across them, Inter is the most used font you can get, on 31 of the 89 (35%). All the fonts developer tools and infrastructure sites use.
What pairing does npmjs.com use?
Poppins for headings with Source Sans 3 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
- cypress.io Roboto, Poppins, Roboto Mono
- grafana.com Inter, Poppins
- pypi.org Source Sans 3
- python.org Source Sans 3, Flux
- webpack.js.org Source Sans 3, Source Serif Pro
- akamai.com Instrument Sans
See the fonts on all 845 sites.
FAQ
What font does npmjs.com use?
npmjs.com draws its headings in Poppins and its body text in Source Sans 3. It uses 3 fonts in all: Arimo, Poppins, Source Sans 3. We measured it on November 4, 2026.
Is Poppins free?
Yes. Poppins is open source and free for commercial use, according to Google Fonts.
What font pairing does npmjs.com use?
Poppins for headings and Source Sans 3 for body text. It does not repeat on another analyzed site.
Can I use the same fonts as npmjs.com 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 npmjs.com. Each font's licence is on this page, from its source.
How do you know which font npmjs.com uses?
We opened npmjs.com 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.