Apparently the delay is caused by the parsing of the browser of the
initial page. So the html/js of the initial page would be the spot to
find a (probably minor) improvement.
Cheers,
Rutger
On 02-11-16 17:29, Rutger ter Borg wrote:
>
>
> Hey all,
>
> I've been trying to figure out why the initial load of my Wt app takes
> relatively long. To test this, I'm running my Wt app through the Network
> analyzer of Chrome, which gives a consistent long time-to-first-byte for
> the second request of a (re)load. The second request is initiated by the
> first page served by Wt, in my case this is the GET
> /?wtd=igHEo7N800u7XfIE&request=style&page=1 HTTP/1.1
> (it is usually followed by a third request with request=script). The
> response to the second request (with request=style) is a one-liner:
>
> @import url("/css/app.css");
>
> but this takes longer than any other part of an (re)load to finish,
> sometimes well over 100 ms (identical behaviour for wthttp and fcgi).
> I've been looking in Wt's code, but I have only figured out that if the
> WebSession does not have an app_ yet, so it somehow postpones the reply
> (around line 1537 of WebSession.C).
>
> Would it be possible to decrease this latency? If so, what are the
> relevant parts of Wt to look into?
>
> Thanks,
>
> Rutger
>
>
>
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