How Can I Prevent Font Loading Delays in Web Rendering?

How to Mitigate Font Loading Delay in Web Rendering

Ever noticed the text on a web page momentarily appearing in the default system font before switching to the intended custom font? This delay can be attributed to the time it takes for the font file to load. If you're looking to minimize or eliminate this issue, let's delve into available approaches.

Deferring Page Rendering Until Fonts Load

Using the "preload" option supported by modern browsers is a viable solution. This option instructs browsers to prioritize loading the font file before rendering the page.

<link
  rel="preload"
  href="assets/fonts/xxx.woff"
  as="font"
  type="font/woff"
  crossorigin/>

This directive informs browsers to load the specified font file early on, ensuring it's readily available for use when the page begins rendering.

Additional Resources

• [Can I Use: link-rel-preload](https://caniuse.com/link-rel-preload)
• [Documentation for rel=preload - MDN](https://developer.mozilla.org/en-US/docs/Glossary/Prefetch)
• [Preload Hints For Web Fonts - Bram Stein](https://bramstein.com/guides/preloading-web-fonts)

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