webpack.js.org draws its headings in Source Serif Pro and its body text in Source Sans 3. It uses 2 fonts in all. We measured it on November 4, 2026.
The fonts webpack.js.org draws
| Font | Used for | Share of its custom-font text | Licence | How common |
|---|---|---|---|---|
| Source Sans 3 | Body text | 91.6% | Open source | 17 of 845 sites (rank 6) |
| Source Serif Pro | Headings | 6.4% | 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?
- Source Sans 3 is open source and free to use, including commercially. Get it from Google Fonts.
- Source Serif Pro: we could not verify that this typeface can be licensed, so we neither recommend it nor link a source.
webpack.js.org among developer tools and infrastructure sites
webpack.js.org 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 webpack.js.org use?
Source Serif Pro 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
- npmjs.com Arimo, Poppins, Source Sans 3
- pypi.org Source Sans 3
- python.org Source Sans 3, Flux
- akamai.com Instrument Sans
- algolia.com Sora, Inter
- angular.dev Inter, DM Mono
See the fonts on all 845 sites.
FAQ
What font does webpack.js.org use?
webpack.js.org draws its headings in Source Serif Pro and its body text in Source Sans 3. It uses 2 fonts in all: Source Sans 3, Source Serif Pro. We measured it on November 4, 2026.
Is Source Serif Pro free?
We could not verify that Source Serif Pro can be licensed, so we do not state a licence.
What font pairing does webpack.js.org use?
Source Serif Pro for headings and Source Sans 3 for body text. It does not repeat on another analyzed site.
Can I use the same fonts as webpack.js.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 webpack.js.org. Each font's licence is on this page, from its source.
How do you know which font webpack.js.org uses?
We opened webpack.js.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.