Techniques for font subsetting, preloading key assets, reducing Cumulative Layout Shift (CLS), and self-hosting font binaries.
Preload Critical Hero Fonts
Add a `` tag in your `
` for the single font file required to render above-the-fold headings:```html
```
Glyph Subsetting
If your website is exclusively in English, you do not need 1,000+ localized Cyrillic, Greek, or Asian glyphs in your binary. Subsetting strips unused characters, shrinking font file size from 300KB down to 18KB.