utmのパラメータをURLから取り除くブックマークレットとuser.js

remove-utm.txt

javascript:(function(){var e,d,b,c,a;d=location;b=d.search.replace(/^\?/,'').split('&');c=[];a=b.length;while(a--){if(!b[a].match(/^utm_/)){c.push(b[a])}else{e=true}}if(e){d.href=d.pathname+((c.length)?'?'+c.join('&'):'')}})();

remove-utm.user.js

/**
 * Remove utm parameters from url 
 * ( Use this as bookmarklet )
 */
(function(){
    var search, params, i, re; 
    search = location.search.replace( /^\?/, '' ).split( '&' );
    params = []; 
    i = search.length;
    while( i-- ){
        if( !search[i].match( /^utm_/ ) ){
            params.push( search[i] );
        } else {
            re = true;
        }   
    }   
    if (re) {
        history.pushState('','',location.pathname + (( params.length ) ? '?' + params.join( '&' ) : '' ));
    }   
})();