The kinds of rendering in dynatrace~~

Question

I use dynatrace to find problems in my company site. I want to say,wow, this is a beautiful tool for page performance. It's another side man. But I found there are many kinds of rendering in dynatrace. For example:

1. Calculating generic layout
2. Calculating flow layout
3. Scheduling layout task

What's the different for these rendering?

Answer 1

Dynatrace have a good article called understanding internet explorer rendering behaviour. It also references a Gecko/Firefox link that is worth reading.