apply_filters( 'style_loader_tag', string $tag, string $handle, string $href, string $media )

Filters the HTML link tag of an enqueued style.

Contents

Parameters
Source
Related
- Used By
Changelog
User Contributed Notes

Parameters

$tag: (string) The link tag for the enqueued style.
$handle: (string) The style's registered handle.
$href: (string) The stylesheet's source URL.
$media: (string) The stylesheet's media attribute.

Source

File: wp-includes/class.wp-styles.php

Used By

Used By
Used By	Description
wp-includes/class.wp-styles.php: WP_Styles::do_item()	Processes a style dependency.

Changelog

Changelog
Version	Description
4.5.0	Introduced the `$media` parameter.
4.3.0	Introduced the `$href` parameter.
2.6.0	Introduced.

User Contributed Notes

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Contributed by Muhammad Usama Masood — 5 years ago
This simple change will make your browser call the Google Font page in the applicable mode (HTTP vs HTTPS) with wp_enqueue_style.
```
add_filter( 'style_loader_tag', 'wpdocs_remove_https_styles', 10, 2 );
function wpdocs_remove_https_styles( $html, $handle ) {
	$handles = array( 'twentysixteen-fonts', 'open-sans' );
	if ( in_array( $handle, $handles ) ) {
		$html = str_replace( 'https:', '', $html );
	}
	return $html;
}
```
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0

Contributed by Geoffrey Brossard — 6 months ago

To defer loading of non-critical CSS :

function prefix_defer_css_rel_preload( $html, $handle, $href, $media ) {
    if ( ! is_admin() ) {
        $html = '<link rel="preload" href="' . $href . '" as="style" id="' . $handle . '" media="' . $media . '" onload="this.onload=null;this.rel=\'stylesheet\'">'
            . '<noscript>' . $html . '</noscript>';
    }
    return $html;
}
add_filter( 'style_loader_tag', 'prefix_defer_css_rel_preload', 10, 4 );

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