appendChild vs insertBefore | High Performance Web SitesMay 11, 2010 12:15 am | 43 Comments I’ve looked at a bunch of third party JavaScript snippets as part of my P3PC series. As I analyzed each of these snippets, I looked to see if scripts were being loaded dynamically. After all, this is a key ingredient for making third party content fast. It turns out nobody does dynamic loading the same way. I’d like to walk through some of the variations I found
