Title: [Plugin: WP HTTP Compression] Error: output handler 'ob_gzhandler' cannot be used after &# Last modified: August 20, 2016 --- # [Plugin: WP HTTP Compression] Error: output handler 'ob_gzhandler' cannot be used after &# * [Kai_Schuerrer](https://wordpress.org/support/users/kai_schuerrer/) * (@kai_schuerrer) * [13 years, 8 months ago](https://wordpress.org/support/topic/plugin-wp-http-compression-error-output-handler-ob_gzhandler-cannot-be-used-after-url-rewriter/) * After installing theres an warning: * Warning: ob_start() [[ref.outcontrol](https://wordpress.org/support/topic/plugin-wp-http-compression-error-output-handler-ob_gzhandler-cannot-be-used-after-url-rewriter/ref.outcontrol?PHPSESSID=9a610e900e7d7378bf1ba0c8b021308e)]: output handler ‘ob_gzhandler’ cannot be used after ‘URL-Rewriter’ in /kunden/ 73538_60386/schiener/wp-content/plugins/wp-http-compression/wp-http-compression. php on line 30 * And plugin doesn´t work 🙁 * Regards, kai * [http://wordpress.org/extend/plugins/wp-http-compression/](http://wordpress.org/extend/plugins/wp-http-compression/) The topic ‘[Plugin: WP HTTP Compression] Error: output handler 'ob_gzhandler' cannot be used after &#’ is closed to new replies. * ![](https://s.w.org/plugins/geopattern-icon/wp-http-compression.svg) * [WP HTTP Compression](https://wordpress.org/plugins/wp-http-compression/) * [Support Threads](https://wordpress.org/support/plugin/wp-http-compression/) * [Active Topics](https://wordpress.org/support/plugin/wp-http-compression/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/wp-http-compression/unresolved/) * [Reviews](https://wordpress.org/support/plugin/wp-http-compression/reviews/) * 0 replies * 1 participant * Last reply from: [Kai_Schuerrer](https://wordpress.org/support/users/kai_schuerrer/) * Last activity: [13 years, 8 months ago](https://wordpress.org/support/topic/plugin-wp-http-compression-error-output-handler-ob_gzhandler-cannot-be-used-after-url-rewriter/) * Status: not resolved