lighthouse issue on nginx server

[amirkhattak]

Lighthouse returned error: ERRORED_DOCUMENT_REQUEST. Lighthouse was unable to reliably load the page you requested. Make sure you are testing the correct URL and that the server is properly responding to all requests. (Status code: 520)Dismiss

how to fix this issue kindly respond on this issue

[devtools-bot]

Thanks! Appreciate you filing this bug. 👏

This is a known issue, most well described in #2784. So, we'll automatically close this as a duplicate.

However, if you believe your bug is different than the cases described there, please comment here with "necessarily-wide-alpaca" and I'll reopen this bug. 🤖 Beep beep boop.

[amirkhattak]

i have read that post its still no cleared for me how to fix this issue on gmetrix its work fine

[amirkhattak]

if ($http_x_forwarded_for != $http_cf_connecting_ip) {

return 444;
}
issue is here when i removed from vhost its worked is there any thing so i can isse http forward in vhost