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+---
+title: font-display
+slug: Web/CSS/@font-face/font-display
+translation_of: Web/CSS/@font-face/font-display
+---
+<div>{{CSSRef}}</div>
+
+<p>The <strong><code>font-display</code></strong> descriptor determines how a font face is displayed based on whether and when it is downloaded and ready to use.</p>
+
+<h2 id="The_font_display_timeline">The font display timeline</h2>
+
+<p>The font display timeline is based on a timer that begins the moment the user agent attempts to use a given downloaded font face. The timeline is divided into the three periods below which dictate the rendering behavior of any elements using the font face.</p>
+
+<dl>
+ <dt>Font block period</dt>
+ <dd>If the font face is not loaded, any element attempting to use it must render an <em>invisible</em> fallback font face. If the font face successfully loads during this period, it is used normally.</dd>
+ <dt>Font swap period</dt>
+ <dd>If the font face is not loaded, any element attempting to use it must render a fallback font face. If the font face successfully loads during this period, it is used normally.</dd>
+ <dt>Font failure period</dt>
+ <dd>If the font face is not loaded, the user agent treats it as a failed load causing normal font fallback.</dd>
+</dl>
+
+<p>{{cssinfo}}</p>
+
+<h2 id="Syntax">Syntax</h2>
+
+<pre class="brush: css;">/* Keyword values */
+font-display: auto;
+font-display: block;
+font-display: swap;
+font-display: fallback;
+font-display: optional;</pre>
+
+<h3 id="Values">Values</h3>
+
+<dl>
+ <dt><code>auto</code></dt>
+ <dd>The font display strategy is defined by the user agent.</dd>
+ <dt><code>block</code></dt>
+ <dd>Gives the font face a short block period and an infinite swap period.</dd>
+ <dt><code>swap</code></dt>
+ <dd>Gives the font face an extremely small block period and an infinite swap period.</dd>
+ <dt><code>fallback</code></dt>
+ <dd>Gives the font face an extremely small block period and a short swap period.</dd>
+ <dt><code>optional</code></dt>
+ <dd>Gives the font face an extremely small block period and no swap period.</dd>
+</dl>
+
+<h3 id="Formal_syntax">Formal syntax</h3>
+
+<pre class="syntaxbox">{{csssyntax}}</pre>
+
+<h2 id="Examples">Examples</h2>
+
+<pre class="brush: css; highlight[7]">@font-face {
+  font-family: ExampleFont;
+  src: url(/path/to/fonts/examplefont.woff) format('woff'),
+       url(/path/to/fonts/examplefont.eot) format('eot');
+  font-weight: 400;
+  font-style: normal;
+  font-display: fallback;
+}</pre>
+
+<h2 id="Specifications">Specifications</h2>
+
+<table class="standard-table">
+ <thead>
+  <tr>
+   <th scope="col">Specification</th>
+   <th scope="col">Status</th>
+   <th scope="col">Comment</th>
+  </tr>
+ </thead>
+ <tbody>
+  <tr>
+   <td>{{SpecName('CSS4 Fonts', '#font-display-desc', 'font-display')}}</td>
+   <td>{{Spec2('CSS4 Fonts')}}</td>
+   <td>Initial definition</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility">Browser compatibility</h2>
+
+
+
+<p>{{Compat("css.at-rules.font-face.font-display")}}</p>
+
+<h2 id="See_also">See also</h2>
+
+<ul>
+ <li>{{cssxref("@font-face/font-family", "font-family")}}</li>
+ <li>{{cssxref("@font-face/font-stretch", "font-stretch")}}</li>
+ <li>{{cssxref("@font-face/font-style", "font-style")}}</li>
+ <li>{{cssxref("@font-face/font-weight", "font-weight")}}</li>
+ <li>{{cssxref("@font-face/font-variant", "font-variant")}}</li>
+ <li>{{cssxref("font-feature-settings", "font-feature-settings")}}</li>
+ <li>{{cssxref("@font-face/font-variation-settings", "font-variation-settings")}}</li>
+ <li>{{cssxref("@font-face/src", "src")}}</li>
+ <li>{{cssxref("@font-face/unicode-range", "unicode-range")}}</li>
+</ul>