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Why is my web site so slow?

I have a standard install IIS server running with Windows Authentication on
our Small Business Server at work (1024/512 ADSL). I'm running a small asp
web site that generates pages from our sales database of around 1k per page
(no graphix, just text). I'm using a PDA (HP iPAQ) and a Bluetooth
connection to my GPRS phone to connect to the web (connections between
13-24k).

My initial connect to my index.asp page takes up to 15secs! Subsequent
pages take between 5-10secs to load, even though they are only 1k (or
less!). As a comparison, forum.overclockers.co.uk (a favourite site of
mine!) main index page (without graphicx) only takes 4 secs to load and is a
page size of almost 8k.

So :-

1. Is there some tweaks that I can do to IIS in order for it to respond
quicker (512K upstream connection with zero people on it makes me think
bandwith is not the problem!)
2. Is Windows Authentication creating too much overhead? Should I code my
own logon screens and page check code?

Advice appreciated.
Jul 19 '05 #1
3 9614
You should put a trace on the network (or, do some investigation of various
counters/logfiles, eg timestamps in the IIS logs, run perfmon on the server)
to find out where the bottleneck is.

a) Is the server needing to spin up IIS (maybe no one else has hit the
webserver for a while)
b) Is it a bandwidth issue somewhere between the iPaq and the server?
c) Is your code inefficient?
d) Perhaps it is the iPaq - I know that most pages that would load quite
quickly on a decent desktop machine take much longer to load on my iPaq due
to the reduced computing power available in the iPaq

Cheers
Ken

"Mystery" <my*****@barrysworld.com> wrote in message
news:uI**************@TK2MSFTNGP11.phx.gbl...
: I have a standard install IIS server running with Windows Authentication
on
: our Small Business Server at work (1024/512 ADSL). I'm running a small
asp
: web site that generates pages from our sales database of around 1k per
page
: (no graphix, just text). I'm using a PDA (HP iPAQ) and a Bluetooth
: connection to my GPRS phone to connect to the web (connections between
: 13-24k).
:
: My initial connect to my index.asp page takes up to 15secs! Subsequent
: pages take between 5-10secs to load, even though they are only 1k (or
: less!). As a comparison, forum.overclockers.co.uk (a favourite site of
: mine!) main index page (without graphicx) only takes 4 secs to load and is
a
: page size of almost 8k.
:
: So :-
:
: 1. Is there some tweaks that I can do to IIS in order for it to respond
: quicker (512K upstream connection with zero people on it makes me think
: bandwith is not the problem!)
: 2. Is Windows Authentication creating too much overhead? Should I code my
: own logon screens and page check code?
:
: Advice appreciated.
:
:
Jul 19 '05 #2
I've seen that happen once when I set the performance property in IIS
manager to < 10,000 hits. Moving it back up to < 100,000 (the default)
fixed it. Even for a very low traffic site...
"Mystery" <my*****@barrysworld.com> wrote in message
news:uI**************@TK2MSFTNGP11.phx.gbl...
I have a standard install IIS server running with Windows Authentication on our Small Business Server at work (1024/512 ADSL). I'm running a small asp web site that generates pages from our sales database of around 1k per page (no graphix, just text). I'm using a PDA (HP iPAQ) and a Bluetooth
connection to my GPRS phone to connect to the web (connections between
13-24k).

My initial connect to my index.asp page takes up to 15secs! Subsequent
pages take between 5-10secs to load, even though they are only 1k (or
less!). As a comparison, forum.overclockers.co.uk (a favourite site of
mine!) main index page (without graphicx) only takes 4 secs to load and is a page size of almost 8k.

So :-

1. Is there some tweaks that I can do to IIS in order for it to respond
quicker (512K upstream connection with zero people on it makes me think
bandwith is not the problem!)
2. Is Windows Authentication creating too much overhead? Should I code my
own logon screens and page check code?

Advice appreciated.

Jul 19 '05 #3
Thanks to all for the suggestions. After looking at a number of avenues,
the biggest improvement in speed actually came from switching off windows
user authentication! I'll write my own user authentication system using ASP
so everything should be okay.

Thanks again guys. Thank the Lord for newsgroups !!!! :-)

Mr.E

"Mike Florio" <mi**@micro-point.com> wrote in message
news:vt************@corp.supernews.com...
I've seen that happen once when I set the performance property in IIS
manager to < 10,000 hits. Moving it back up to < 100,000 (the default)
fixed it. Even for a very low traffic site...
"Mystery" <my*****@barrysworld.com> wrote in message
news:uI**************@TK2MSFTNGP11.phx.gbl...
I have a standard install IIS server running with Windows Authentication on
our Small Business Server at work (1024/512 ADSL). I'm running a small

asp
web site that generates pages from our sales database of around 1k per

page
(no graphix, just text). I'm using a PDA (HP iPAQ) and a Bluetooth
connection to my GPRS phone to connect to the web (connections between
13-24k).

My initial connect to my index.asp page takes up to 15secs! Subsequent
pages take between 5-10secs to load, even though they are only 1k (or
less!). As a comparison, forum.overclockers.co.uk (a favourite site of
mine!) main index page (without graphicx) only takes 4 secs to load and is a
page size of almost 8k.

So :-

1. Is there some tweaks that I can do to IIS in order for it to respond
quicker (512K upstream connection with zero people on it makes me think
bandwith is not the problem!)
2. Is Windows Authentication creating too much overhead? Should I code

my own logon screens and page check code?

Advice appreciated.


Jul 19 '05 #4

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