The <a data-l10n-name="rel">rel</a> attribute with value <code>"preload"</code> on a <a data-l10n-name="link">&lt;link&gt;</a> element is intended to help provide performance gains by letting you download resources earlier in the page lifecycle, ensuring that they’re available earlier and are less likely to block page rendering. Read <a data-l10n-name="readmore">“Preloading content with <code>rel="preload"</code>”</a> or see <a data-l10n-name="bugzilla">bug 1583604</a> for more details.
The <a data-l10n-name="rel">rel</a> attribute with value <code>"preload"</code> on a <a data-l10n-name="link">&lt;link&gt;</a> element is intended to help provide performance gains by letting you download resources earlier in the page lifecycle, ensuring that they’re available earlier and are less likely to block page rendering. Read <a data-l10n-name="readmore">“Preloading content with <code>rel="preload"</code>”</a> or see <a data-l10n-name="bugzilla">bug 1583604</a> for more details.