Displays a button to speech the content. Single page only Web Speech API compatible browser only Web Speech API Browser compatibility. Example You can change the display position with a filter hook. add_filter( 'wp-speech-contents_mode', function () { return 'bottom'; // top or bottom }); You can change the content to be read out with the filter hook. add_filter( 'wp-speech-contents_content', function ( $content ) { $content = preg_replace('/\pS/u','',$content); // Delete symbols etc. $content = 'Speech starts!.'.$content; // First "Speech starts!" return $content; }); You can Setting the language to be read out with the filter hook. add_filter( 'wp-speech-contents_language', function ( ) { return 'ja-JP'; });