This tool automatically refresh website if file changes.
http://feedback.livereload.com/knowledgebase/articles/67441-how-do-i-start-using-livereload-
//remove before moving to production
<script>
document.write('<script src="http://' + (location.host || 'localhost').split(':')[0] + ':35729/livereload.js?snipver=1"></' + 'script>')
</script>