This trick 100% working for me and i m trying dis trick in your site dude check ur site in each pages

1) Go to the site you wish to edit
2) In the browser�s address bar, paste this code:

javascript:document.body.contentEditable='true'; document.designMode='on'; void 0

3) Now click on the part of the page you want to edit and start changing, deleting and adding text.