WooSlider blacklist Jetpack lazy load images for slides
function wooslider_lazy_exclude( $blacklisted_classes ) {
$blacklisted_classes = array(
'skip-lazy',
'gazette-featured-content-thumbnail',
'post-image',
);
return $blacklisted_classes;
}
add_filter( 'jetpack_lazy_images_blacklisted_classes', 'wooslider_lazy_exclude' );