For quick and easy access to the WebPart Maintenance Page simply append the following to the URL of any page with webparts: “?contents=1”.
So for example if your default page URL will look like this:
If you need to go to the WebPart Maintenance page for this page you would add the above to the end of the URL as follows:
This will open the WebPart Maintenance page for this page.You can delete, close, remove the webparts from the page easily.
Note: The changes made on this page are applicable for all the users.