As you might know, the user experience of a web application is very important. Fast request and response times are a must! You can do so much with Cocoon that sometimes you don’t even know the functionality is there. There is already a lot written about Cocoon performance on the website as well as on the wiki, but over the past couple of years I came across a couple of things that could speed up the performance of you Cocoon web application.
Using XHTML with Cocoon is sometimes a little frustrating. It seems that by using the default XHTML serializer configuration located on the Cocoon Wiki your rendered page is not valid XHTML. While taking a closer look at the configuration (see below) you will notice that it uses the XMLSerializer as its source.