Created
September 28, 2023 16:00
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| // Preload Featured Images | |
| function propel_add_cwv_code(){ | |
| global $post; | |
| // Run code only for Single post page | |
| if( is_admin() ){ | |
| return; | |
| } | |
| $post_id = $post->ID; | |
| $image_id = get_post_thumbnail_id( $post_id ); | |
| $featured_image_url_mobile = wp_get_attachment_image_src( $image_id, 'image-480' )[0]; | |
| if ( $featured_image_url_mobile && strlen( $featured_image_url_mobile ) > 0 ) { | |
| //Comment line below out if you do not have webp versions of your images | |
| $featured_image_url_mobile = str_replace( '.jpg', '.webp', $featured_image_url_mobile); | |
| ?> | |
| <link rel="preload" href="<?php echo $featured_image_url_mobile; ?>" as="image" media="(max-width: 480px)"> | |
| <?php | |
| } | |
| } | |
| add_action('wp_head','propel_add_cwv_code', 0); |
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