optimism.io draws its headings and body text in Riforma LL TT. That is the only custom font on the page. We measured it on October 21, 2026.
The fonts optimism.io draws
| Font | Used for | Share of its custom-font text | Licence | How common |
|---|---|---|---|---|
| Riforma LL TT | Headings, Body text | 100% | 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?
- Riforma LL TT: we could not verify that this typeface can be licensed, so we neither recommend it nor link a source.
optimism.io among crypto and web3 sites
optimism.io is one of the 14 crypto and web3 sites we measured. Across them, Inter is the most used font you can get, on 4 of the 14 (29%). All the fonts crypto and web3 sites use.
What pairing does optimism.io use?
optimism.io uses one family, Riforma LL TT, for both headings and body text. So do 280 of the 407 sites we analyzed (69%). Pairings of two different fonts.
Other crypto and web3 sites we measured
- aave.com Aave Repro
- binance.com Proxima Nova, Binance Nova
- bitcoin.org Titillium
- chain.link Inter, TASA Orbiter
- coinbase.com Coinbase, Coinbase Sans
- ethereum.org Inter
See the fonts on all 407 sites.
FAQ
What font does optimism.io use?
optimism.io draws its headings and body text in Riforma LL TT. We measured it on October 21, 2026.
Is Riforma LL TT free?
We could not verify that Riforma LL TT can be licensed, so we do not state a licence.
What font pairing does optimism.io use?
One family, Riforma LL TT, for both headings and body text.
Can I use the same fonts as optimism.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 optimism.io. Each font's licence is on this page, from its source.
How do you know which font optimism.io uses?
We opened optimism.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.