Re: improving Java Applet performance

yawnmoth wrote:
On Aug 5, 12:17 pm, Dave Miller <nonregiste...@xxxxxxxxxxxx> wrote:
Knute Johnson wrote:
yawnmothwrote:
http://www.frostjedi.com/terra/scripts/java.html
When I visit that in Firefox for the first time, there is a very
noticeable delay between the time the page loads and the applet
loads. For a few seconds, the browser seems to actually lock up,
even.
Also, in Internet Explorer 7, I get a "To help protect your security,
Internet Explorer stopped this site from installing an ActiveX control
on your computer. Click here for options..." message. For such a
benign applet, displaying a warning that a lot of users associate with
viruses seems unnecessary (albeit understandable).
Are slow response times and ActiveX warnings in IE7 avoidable or are
they just a cost of doing business in Java?
I looked at this page with FF3 and IE7, neither gave any warnings or
were slow. Could it be that you just have a slow computer?
I got the same results as Knute.

Your connection speed could be part of the mix - use an online speed
check site to rule that in or out. If your speed is good:

My speed test:

http://www.speedtest.net/result/305247805.png

Network speed isn't your problem!

I don't think it's my network connection. And it's fairly difficult
to reproduce. I was able to produce it on one computer, once, just
now, but on successive attempts, I couldn't. Even cleared the
statcache to no avail.

The first time the java plugin is loaded can take a while. Sun is currently doing a lot of work to improve that. See http://java.sun.com/javase/downloads/ea/6u10/6u10beta.jsp

Also, regardless, it is a complaint that is often made (not for this
applet, mind you, but for another). Per your later suggestion, I'll
ask if people can give me that information.

Your IE 7 results may be from the IE security settings - check on them
in Tools --> Internet Options.

This is a complaint other users have, though. If a user visits your
website for the first time and gets an ActiveX warning, they may just
leave your website, figuring that having to adjust their security
settings makes visiting your website just too much of a hassle.

I don't think I've actually changed my own IE7 security settings. I
normally just click OK for the ActiveX security warning. Do the
default security settings of IE7 just result in ActiveX warnings for
all Java applets?

You didn't say but is this IE7 running on Vista? I've heard (I don't have Vista) that there is considerably more security control stuff running in Vista.

I don't think I've changed the default settings on my IE7 but I rarely use it because of the risks and it would have been changed a long time ago.

So I just tried setting my security level to 'High' and that does cause the warning you mentioned. My security level was set at 'Medium High' before. I reset it to the default and had no problems then either.

--

Knute Johnson
email s/nospam/knute2008/

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