Code-Snippets-Functions/Execute a function on a child site/SiteGround Optimizer/modify-default-webp-quality.txt

add_filter( 'sgo_webp_quality', 'webp_quality' );
function webp_quality( $quality ) {
    // Add the value you want to adjust as Webp image quality.
    $quality = 90;

    return $quality;
}