When viewing reports, you notice that duplicate submissions of HTML forms are being logged intermittently.
Duplicate submissions of HTML forms are typically caused by either users hitting the submit button multiple times (if the form takes a while to submit), or refreshing a display message or action page and opting to resend the form. Although not a product-level issue, there are steps that can be taken to prevent users from creating multiple submissions.
If the site is slow, users might click the submit button multiple times. In cases of site performance issues, we recommend collecting as much information about them as possible and contacting our support team as needed.
To prevent users from creating duplicate submissions when refreshing a page, configure the HTML form's post back message to redirect to another file of page. This will update the URL after the form is submitted, and hitting refresh should not prompt the user to resend.
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