Register this script in your bookmark bar.
javascript:void function(){function e(e){e.on('play',function(){window.focus()}),e.on('pause',function(){window.focus()}),e.on('seeked',function(){window.focus()}),e.on('volumechange',function(){window.focus()}),window.onresize=function(){window.focus()},window.onkeydown=function(n){switch(n.keyCode){case 75:case 13:e.getPaused().then(function(n){n?e.play():e.pause()});break;case 74:e.getCurrentTime().then(function(n){e.setCurrentTime(n-10)})['catch'](function(e){console.error(e)});break;case 76:e.getCurrentTime().then(function(n){e.setCurrentTime(n+10)})['catch'](function(e){console.error(e)});break;case 37:e.getCurrentTime().then(function(n){e.setCurrentTime(n-5)})['catch'](function(e){console.error(e)});break;case 39:e.getCurrentTime().then(function(n){e.setCurrentTime(n+5)})['catch'](function(e){console.error(e)})}}}function n(e,n,t){var o=document.createElement('div');o.style.textAlign='center',o.id='vp',document.body.appendChild(o);var i={id:e,height:n,autoplay:!0,loop:!1},r=new Vimeo.Player('vp',i);t(r)}var t='Video not found.\nThis bookmarklet can be used in only the page has Vimeo embedded player or original Vimeo video page.';if('undefined'==typeof Vimeo)return void window.alert(t);if(null!=Vimeo.Player){var o=document.querySelector('iframe'),i=new Vimeo.Player(o);return void e(i)}var r=document.querySelector('.player_container');if(null==r)return void window.alert(t);var a=String(r.id).replace('clip_','');if(null==a)return void window.alert(t);var c=window.innerHeight,d=window.open();d.document.body.style.margin=0;var u=d.document.createElement('script');u.src='https://player.vimeo.com/api/player.js';var l=!1,m=function(){if(!(l||this.readyState&&'loaded'!==this.readyState&&'complete'!==this.readyState)){l=!0;var t=d.document.createElement('script');t.innerHTML='void('+n.toString()+')('+a+','+c+', '+e.toString()+');',d.document.body.appendChild(t)}};u.addEventListener?u.addEventListener('load',m,!1):s.readyState&&(u.onreadystatechange=m),d.document.getElementsByTagName('head')[0].appendChild(u)}();
If you use Microsoft Edge,
Import "VimeoPlayerController_Edge.html" as bookmark.
Click this bookmarklet in the page has Vimeo embedded player or original Vimeo video page.
K/Enter: play/stop
J: go back 10s
L: go forward 10s
<-: go back 5s
->: go forward 5s
This bookmarklet disable Vimeo embedded player's keyboard shortcuts, for example L:like.
I tested this bookmarklet with only Chrome & Microsoft Edge.
I'm not sure if this bookmarklet work correctly with other browsers:p