If you’ve been following along with this site (webperformancetoday.com) over the past four years, you may recall this post, which offered an introduction to waterfall charts. Given that the post is now a few years old, I think it merits a refresh.
Who is this post for – If you already live and breathe waterfalls, this post isn’t for you. (But this one might be.) This post is for people who are interested in performance but don’t necessarily have a lot of technical know-how. It’s for people who want to crack the hood and learn:
- why pages behave the way they do,
- how to begin to diagnose performance issues before sending out red-flag emails to everyone on your team, and
- how to talk performance with the experts within your organization who do live and breathe waterfalls.
What is a waterfall chart – A waterfall chart is any diagram that represents data that is generated cumulatively and sequentially across a process. A performance-specific waterfall chart lets you see the series of actions that occur between a user and your server in order for that user to view a specific individual page of your site.
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