Font Display

How to be sure that text keeps visible during page loading

Speed performance

Web Font: how to be sure that text keeps visible during page loading

 It can happen that fonts take a while to load, due to the fact that they are often large files.

Sometimes browsers tend to hide text while the font is loading: this cause a FOIT (flash of invisible text).

How the SeoChecker font-display audit fails

If a font URLs can potentially flash invisible text, SeoChecker displays an error.

font display


How can I avoid showing invisible text?

There is a very easy way: you can show a temporary system font during custom font loading. To avoid the FOIT, include in your @font-face style a font-display: swap.

@font-face {

	font-family: ‘Pacifico';
	font-style: normal;
	font-weight: 400;
	src: local(‘Pacifico Regular'), local(‘Pacifico-Regular'), url( format(‘woff2');
	font-display: swap;

swap is an important indication for browsers because it tells them to instantly use a system font during custom font loading; the system font will be replaced when the loading is completed.

Preload web fonts

You can also use a preload to prepare the font files earlier, with

<link rel=”preload” as=”font”>

Google Fonts

Another way is adding to the end of your Google Fonts URL the parameter &display=swap.

<link href=",700&display=swap" rel="stylesheet">

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