PhilipTellis at Yahoo!
WebPerformance News
W3C Web Performance WG
API for Measuring Performance
Boomerang.js
Beyond Design
8.
PhilipTellis at Yahoo!
<head>
<scripttype=”text/javascript”>
var start = (new Date).getTime();
</script>
</head>
<body>
<script type=”text/javascript”>
var pageLoad = (new Date).getTime() - start;
</script>
</body>
Web Performance News
W3C Web Performance WG
API for Measuring Performance
Boomerang.js
Beyond Design
9.
PhilipTellis at Yahoo!
<scriptsrc="boomerang.js"></script>
<script type="text/javascript">
BOOMR.init({
user_ip: "<user's ip address>",
beacon_url: "/path/to/beacon.php"
});
</script>
Web Performance News
W3C Web Performance WG
API for Measuring Performance
Boomerang.js
Beyond Design
10.
Web Performance News
W3CWeb Performance WG
API for Measuring Performance
Boomerang.js
Beyond Design
11.
“ Speed isthe most important feature.
If your application is slow, people won’t
use it. I see this more with mainstream
users than I do with power users. ”
Fred Wilson (Union SquareVentures)
About.com, rated slowestby our users,
was actually the fastest site (average: 8 seconds).
Amazon.com, rated as one of the fastest sites by users,
was really the slowest (average: 36 seconds).
The Truth About Download Time
Clear navigation
Match challengeto skills
Simplicity
Importance
Design for fun and utility
Avoid cutting-edge technology
Minimize animation
FlowinWebDesign