The typeface on astro.build is Inter, MDIO and Obviously, loaded across 11 @font-face declarations. Every font family, weight and source on this page is read straight from the live CSS — no image guessing, no machine learning, just the rules the browser used.
The quick brown fox jumps over the lazy dog
font-family: Inter, Georgia, 'Times New Roman', serif;
The quick brown fox jumps over the lazy dog
font-family: MDIO, ui-monospace, SFMono-Regular, monospace;
The quick brown fox jumps over the lazy dog
font-family: Obviously, Georgia, 'Times New Roman', serif;
The quick brown fox jumps over the lazy dog
font-family: inter-fallback, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
The quick brown fox jumps over the lazy dog
font-family: md-io-fallback, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
The quick brown fox jumps over the lazy dog
font-family: obviously-fallback, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
Get Font Info inspected the homepage of astro.build and parsed 2 stylesheets totalling 121.8 KB. Inside those stylesheets we found 11 @font-face declarations — the rules a browser uses to download and register a custom typeface. The primary typefaces are served from custom web font, and 8 CSS rules reference them across the page.
Open the live inspector and hover any text on astro.build to see the exact font, weight, size and line-height for that element.
Open live font inspector for astro.buildastro.build uses Inter, MDIO and Obviously as its primary typefaces. These fonts are loaded from a self-hosted webfont and applied across 8 CSS rules on the homepage.
astro.build loads its fonts from a self-hosted webfont. Get Font Info detected 11 @font-face declarations across 2 stylesheets on the live page.
astro.build loads Inter in 3 weights: 100 1000, 300 600, 400. If you want to match the look, request the same weights from your font host so you only ship what's actually used.
Yes — once you know the font name, you can load it from the same source. If Inter isn't a fit (licensing, weight selection, look-and-feel), close alternatives include Manrope, Geist and DM Sans. Use the CSS snippet on this page as a starting point.
These fonts are self-hosted webfonts. They may be licensed commercially from a type foundry, custom-made for the brand, or freely available — you would need to identify the typeface and check its license at the foundry.
Compare the typography on astro.build with how other well-known sites load and use their fonts.
This page lists the fonts loaded by the homepage of astro.build. Get Font Info reads the live CSS — every @font-face rule, every font-family declaration — so you see the exact fonts the browser used, not an image-based guess.
More guides: find the font on any website, identify the typeface on a webpage, check what font a website is using, or URL font checker.