October 2010
Intermediate to advanced
456 pages
10h 16m
English
Content preview from ASP.NET Site Performance SecretsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Categorizing bottlenecks using Waterfall charts
Before we saw how to create a Waterfall chart with Firebug, we discussed the four broad categories of bottlenecks that slow down page loading:
- Main
.aspxfile taking too long to generate - Main
.aspxfile taking too long to load - Images (and flash files) taking too long to load
- JavaScript and CSS files blocking page rendering
The following sections show how each broad category expresses itself in a Waterfall chart generated by Firebug. Each section also refers you to the chapter where you'll see how to further pinpoint the bottleneck and then fix it.
Scenario 1: Main .aspx file takes long to arrive
In the chart below, the top line is for the main .aspx page. The purple section shows how long the browser waited ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.