- From: Ian Jacobs <ij@w3.org>
- Date: Wed, 23 Feb 2011 10:22:28 -0600
- To: Olle Olsson <olleo@sics.se>
- Cc: site-comments@w3.org
On 23 Feb 2011, at 10:04 AM, Olle Olsson wrote: > Hi. > > When fetching contents from w3.org, the latency experienced is not > really any problem. > > Except when trying to fetch some HTML DTD. This is really slow, and > sometimes the time-out limit in a browser can be surpassed, which > means that the browser regards the server site as not responding. > > To better understand these symptoms: ... > > *Question*: > - is there a special w3 server dedicated to common DTDs, and this > server has recently become overloaded? > - is it a load-balancing issue? > - or is it the effect of some platform resource usage policy? > > It is interesting that DTD should not be any serious bottleneck. > They have a fairly long valid duration -- e.g. for html4/loose.dtd > a header says "Expires: Tue, 24 May 2011 15:21:41 GMT". > > The trigger for this question was when a user called the Swedish > Office to ask about "why Internet Explorer could not deliver a page > (from somewhere.com) because the loose.dtd could not be found". I > did look around, and that was when I became aware of the dtd > delivery delays. Hi Olle, You might have a look at our FAQ about this: http://www.w3.org/Help/Webmaster#block Ian > > Regards, > > /olle > > -- > ------------------------------------------------------------------ > Olle Olsson olleo@sics.se Tel: +46 8 633 15 19 Fax: +46 8 751 > 72 30 > [Svenska W3C-kontoret: olleo@w3.org] > SICS [Swedish Institute of Computer Science] > Box 1263 > SE - 164 29 Kista > Sweden > ------------------------------------------------------------------ > > > > -- Ian Jacobs (ij@w3.org) http://www.w3.org/People/Jacobs/ Tel: +1 718 260 9447
Received on Wednesday, 23 February 2011 16:22:31 UTC