Inter
VariableSans-serif · Modern, Clean
The modern UI font designed for computer screens. Variable font with weight, slant, and optical size axes.
Popularity: ★★★★★
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Font Optimization Guides
Learn how to optimize specific typefaces for web performance. Each guide covers subsetting, compression, and best practices tailored to that font.
Quick Answer
Most popular fonts to optimize: Inter, Roboto, and Open Sans account for over 50% of custom font usage on the web. Converting to WOFF2, subsetting to Latin characters, and using font-display: swap typically reduces file size by 70-90%.
8+
Font Guides
70-95%
Size Reduction
6
Variable Fonts
Free
All Guides
Roboto
VariableSans-serif · Neutral, Geometric
Google's signature typeface. Mechanical skeleton with friendly curves, perfect for Android and Material Design.
Popularity: ★★★★★
Open Sans
VariableSans-serif · Humanist, Neutral
Humanist sans-serif with excellent legibility. One of the most popular fonts on the web.
Popularity: ★★★★★
Poppins
Sans-serif · Geometric, Bold
Geometric sans-serif with perfect circles. Popular for modern, bold designs.
Popularity: ★★★★☆
Montserrat
VariableSans-serif · Urban, Display
Urban typeface inspired by Buenos Aires signage. Great for headings and display text.
Popularity: ★★★★☆
Lato
Sans-serif · Warm, Professional
Semi-rounded details give Lato warmth while maintaining stability and seriousness.
Popularity: ★★★★☆
Source Sans Pro
VariableSans-serif · Professional, Clean
Adobe's first open-source font family. Designed for UI with excellent readability.
Popularity: ★★★★☆
Playfair Display
VariableSerif · Elegant, Editorial
Elegant transitional serif with high contrast. Perfect for headlines and luxury brands.
Popularity: ★★★★☆
Universal Optimization Tips
1. Use WOFF2 Format
WOFF2 offers 30% better compression than WOFF and has 98%+ browser support.
2. Subset Your Fonts
Most sites only need Latin characters. Remove unused glyphs for 70-80% savings.
3. Limit Weights
Only include the weights you use. Most sites need just 2-3 weights.
4. font-display: swap
Prevent invisible text during loading. Essential for good Core Web Vitals.
Related Resources
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