Font Loading Optimizer

About This Tool

The Font Loading Optimizer helps developers improve web font loading performance and prevent layout shifts. It analyzes font usage, loading strategies, and rendering behavior to identify optimization opportunities. The tool generates optimized font-loading code with proper font-display settings, preloading, and subsetting recommendations.

Features

• Analyze font loading performance and impact on page metrics
• Generate optimized font-loading code with proper font-display settings
• Recommend font subsetting strategies to reduce file size
• Compare different loading approaches (self-hosted vs. CDN)
• Visualize font rendering and layout shifts
• Support for variable fonts and font-feature-settings
• Generate font preloading and prefetching directives
• Best practices for FOIT and FOUT prevention