Prevent resizing of GIF images by Easy IO

easyio-skip-gif-resizing.php

<?php
/*
Plugin Name: Easy IO GIF Skipper
Version: 1.0.0
*/

add_filter( 'exactdn_pre_args', 'easyio_skip_gif_resizing', 10, 2 );
function easyio_skip_gif_resizing( $args, $image_url ) {
  if ( strpos( $image_url, '.gif' ) ) {
    return array();
  }
  return $args;
}