Assets Filter

This page documents the filter for controlling CSS asset inlining.

Filter	Description
`unblock/assets/css_inline_size`	CSS inline size threshold

assets/css_inline_size

Control the CSS file size threshold for inlining. Files smaller than this threshold are inlined in the HTML instead of linked externally.

Parameter	Type	Description
`$threshold`	int	Size in bytes

Default: 51200 (50 KB)

Example: Increase Threshold

add_filter( 'unblock/assets/css_inline_size', function ( $threshold ) {

    return 100 * 1024; // 100 KB

} );

Example: Disable Inlining

add_filter( 'unblock/assets/css_inline_size', function ( $threshold ) {

    // Return 0 to always use external files.
    return 0;

} );

Example: Always Inline

add_filter( 'unblock/assets/css_inline_size', function ( $threshold ) {

    // Return a large value to always inline.
    return PHP_INT_MAX;

} );