The website from the screenshot is working fine from my end.
Are you still experiencing issues?
Thanks for your reply,
Website is working fine but i got this error sometimes while am browsing the website pages
Some plausible explanations:
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Check your server’s firewall, and make sure that all Cloudflare’s IP addresses are allowed, as it could be one of these edge cases where you might eventually be missing a subnet or two in your firewall, and that Cloudflare happen to randomly go out through one of the IP addresses that therefore are not allowed.
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Contact your hosting provider, asking them to make sure that they don’t have any security systems that are interfering with your traffic to/from Cloudflare.
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Given that it happens intermittently (e.g. “sometimes”, to use your own word), it could also be a signal of congestion within your hosting provider, for example because the traffic they receive reaches a level where their peering links cannot keep up with the demands.
One of their other customers could also be receiving a large DDoS attack that could be overwhelming their network so much, that Cloudflare is (temporarily) unable to reach your server.