Twenty Sixteen: Add pre-connect resource hint for Google Fonts.

When using Google Fonts, pre-connect to https://fonts.gstatic.com to improve the performance downloading the webfont files.

Props westonruter.
Fixes #44668.


git-svn-id: https://develop.svn.wordpress.org/trunk@43606 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Peter Wilson 2018-09-03 00:52:53 +00:00
parent 04516c1299
commit e686ac1f67
1 changed files with 21 additions and 0 deletions

View File

@ -155,6 +155,27 @@ function twentysixteen_content_width() {
}
add_action( 'after_setup_theme', 'twentysixteen_content_width', 0 );
/**
* Add preconnect for Google Fonts.
*
* @since Twenty Sixteen 1.6
*
* @param array $urls URLs to print for resource hints.
* @param string $relation_type The relation type the URLs are printed.
* @return array $urls URLs to print for resource hints.
*/
function twentysixteen_resource_hints( $urls, $relation_type ) {
if ( wp_style_is( 'twentysixteen-fonts', 'queue' ) && 'preconnect' === $relation_type ) {
$urls[] = array(
'href' => 'https://fonts.gstatic.com',
'crossorigin',
);
}
return $urls;
}
add_filter( 'wp_resource_hints', 'twentysixteen_resource_hints', 10, 2 );
/**
* Registers a widget area.
*