Online curl test - A HTTP header check for any URL which avoids a curl windows installation.
cURL is an open source command line tool used for transferring data with URL syntax, in this tool's case, HTTP and HTTPS requests.
This tool is typically used to test the X-Pull configuration of your server, check if hotlink protection is working, or provide you with the full details of the HTTP response header with cURL in the background, such as:
HTTP status codes
And check if you have HTTP security headers in place, such as: