proxy-test-url
Defines the test URL used by url-test groups and manual node speed tests to determine proxy latency and availability.
Non-direct proxies will use this URL. For direct proxy, please refer to internet-test-url.
An HTTP HEAD request is sent to this URL. A response of HTTP/1.1 204 No Content is expected.
Example
# Specifies a reliable URL for testing proxy connectivity and latency
proxy-test-url = http://www.gstatic.com/generate_204
Format
proxy-test-url = {http_url}
tip
The URL must start with http://. https:// or other schemes are not supported.
tip
You can emulate the proxy test using the command below:
curl -I http://www.gstatic.com/generate_204