Delay in loading page when there is disconnection to server

[jchino007]

Hi,

I've been wondering if you have any idea on this performance issue. I am using ChromiumBrowser.Address to set the URL page to load.
If the said URL server is up and working, the page just loads smoothly. But on the other scenario wherein the URL server is down, it took a minute or more to load and display the Customized Error Page I created.

Does it have something to do with the SERVER is DOWN handling event of CEF that makes this seem to delay? or
Does it have something to do on the ChromiumWebBrowser.LoadError Event when an HTTP request failed to response?

Need your thoughts on this guys!

Thanks!

Additional Info:
CefSharp.wpf Version Used: 71.0.0

[Czarek]

How does it behave in Google Chrome at the same version? Anything interesting in logs?

[jchino007]

How does it behave in Google Chrome at the same version? Anything interesting in logs?

Didn't saw anything interesting but these messages:
[0709/085844.623:WARNING:dns_config_service_win.cc(669)] Failed to read DnsConfig.
[0709/085849.628:WARNING:dns_config_service_win.cc(669)] Failed to read DnsConfig.
[0709/085854.633:WARNING:dns_config_service_win.cc(669)] Failed to read DnsConfig.
[0709/085859.639:WARNING:dns_config_service_win.cc(669)] Failed to read DnsConfig.
[0709/085904.645:WARNING:dns_config_service_win.cc(669)] Failed to read DnsConfig.

I tried to read the release notes for CefSharp V 71.0.0 but didn't found the equivalent version of Chrome for this. Do you have idea on where to check the right version of Chrome for Cefsharp V. 71.0.0?

[Czarek]

You can check user agent in javascript.

[jchino007]

Additional questions:
Is there a standard time in terms of seconds, to recover or reload the URL page after a LoadError Event was encountered?
If there is, is there a way we can revise the timeout of the retry/reload?

[Czarek]

I suggest you check the behavior in Google Chrome / Firefox. You can use CefPostDelayedTask function to execute the reload with delay.