The article is about Tapestry 4.1, not v5 as mentioned in the title.

Some say, Tapestry can compare with Wicket. And from a certain perspective, they´re obviously right. In case you have not made up your mind yet, this developerworks article might help you. In there is a thorough side-by-side comparison of tapestry against wicket. Their conclusion:

Tapestry and Wicket are popular representatives of the component-based Web frameworks and probably the most exceptional ones from that camp. With their help, it is possible to build applications of any level of complexity.

While Tapestry offers a declarative approach in component specification, Wicket brings pure Java programming with no XML and no annotations. Wicket has a few strong advantages in page versioning and multi-window support. Wicket also has a few more helpful implementations, including breadcrumbs, a feedback panel, and many of the funny stuff found in dynamic HTML, such as tabbed panels and dialogs.

and of course, the usual word of warning, you can find in any tapestry-related publication:

Finally, Tapestry is in a period of transition today. Tapestry V5 promises many enhancements over V4.1, but there is no planned backward-compatibility.