400.3
Invalid If Header
Substatus code
Unofficial (Microsoft Internet Information Services)
work in progress
Specification of the HTTP status code 400.3
work in progress
Source / Quote by: The 400.3 Invalid If Header HTTP Status Code is specified by section 400 of HTTP ISS.
Browser compatibility of the 400.3 status code
| Chrome | no data |
| Edge | no data |
| Firefox | no data |
| Opera | no data |
| Safari | no data |
| Chrome Android | no data |
| Firefox for Android | no data |
| Opera Android | no data |
| Safari on iOS | no data |
| Internet | no data |
| WebView Android | no data |
