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This extension is no longer available on the Chrome Web Store. We noticed it was gone on Jul 15, 2025.
Hand-picked for quality and usefulness
Helix Font Fallback computes the fallback fonts for all the fonts loaded on the page. A fallback font is a font that most of the browsers know already which is sized to approximatively the size of the font it temporarily replaces. Like this, the browser can display nicely the page while the custom font is loaded. This is crucial to prevent CLS (Core Web Vitals).
Key features: