Set atto autosave frequency to 10 seconds Delete all records in mdl_editor_atto_autosave Open your javascript console and set the logs to be preserved across pages Head to the question bank and go to the form to add a new multiple choice question Confirm that there is only one request to autosave_ajax.php Type some text in a few of the editors in the page, and wait for the autosave confirmation (do not submit the form) Close your tab and go back to create a new multiple choice question Confirm that your drafts are being restored Click Cancel , and confirm that there is only one request to autosave_ajax.php . Go back to create a new multiple question and confirm that your drafts are not restored Fill in the form as if you were to create the question (make sure you won't get any validation error) Wait for Atto to save your drafts Submit the form Confirm that there is only one request to autosave_ajax.php Go back to create a new multiple question and confirm that your drafts are not restored Repeat the test on the page to add a new blog entry Multi-editor test Use the test_editor.php file attached, and... Confirm that the drafts are reset on submission/cancel but only for the submitted form Note that in test_editor.php, the cancel action also deletes the previously saved content.