Hi, duke here
Rather than a purely decorative image, couln't the standard gif to be used
instead of the Flash, be used and downloaded?  Then if the Flash is
determined not to be used, the alternate would already be there?
duke

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Jesse Skinner
Sent: Thursday, December 15, 2005 8:28 AM
To: css discuss
Subject: Re: [css-d] Flash or No Flash switch?


> 25kB is a small smaple to test it responsibly. Some latency may distort
> the measurment. The image can also get cached.

In the article, I suggest avoiding caching by appending a random URL
parameter to the image (not so nice but it works).

As for the size, it will have to depend on the situation. In Duke's
case, he wants to decide whether to show a flash banner. Since the extra
download is purely decoration, there would be no issue if some
high-speed users didn't get the flash. It's still useful to have a rough
estimate.

A very large test image would defeat the purpose -- if users had to
download such an image to test their speed, they might as well download
the flash in the first place.

Jesse Skinner
www.thefutureoftheweb.com


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