Redirects (3xx)
303 See Other
The server points you to another page, usually after sending a form.
Quick answer
A 303 tells the browser to load a different address with a normal page request. Sites often use it after you submit a form, so reloading does not send the form twice.
When to wait: No waiting needed.
If you are visiting the website
- Let the browser follow it This is normal. You should see the next page automatically.
- Do not resend forms If you are unsure whether a form was sent, check your email or account before submitting again.
If you run the website
- Use it after form posts Redirect with 303 after a successful POST to prevent duplicate submissions.
- Do not use it for moved pages For moved content, use 301 or 308.
Likely causes
- Common A form was submitted and the site shows a confirmation page. (Website side)
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