Remove Query Arg from Media URLs ?_=1

Remove the query string ?=1 added by WordPress adds to media URLs in HTML5 audio and video mediaelement.js players. It will match any digit that follows the equals sign, e.g. ?=42 will be removed.

This plugin is ideal for the following reasons

• Page Loading Performance: Improve page speed scores with services like PageSpeed, YSlow, Pingdoom and GTmetrix.
• Caching: Links with query string parameters such as "?" followed by name=value pairs separated by '&' in the URL are typically not cacheable
• Statistics and Analytics: Prevent statistics and analytics services from including the query string in reporting.

Compatible Media Plugins

• Blubrry PowerPress podcasting plugin

If this plugin works with your favorite media plugin, please contact me and I will add it to the list.