This section describes areas of focus for real-world user interfaces written in Visualforce. It includes the following subsections:
Debugging and tuning—Force.com provides Web-based tools for debugging and tuning Visualforce pages.
Security—Securing Visualforce pages is an important task. Visualforce pages can expose users to records they should not see under record sharing rules and cause runtime errors due to lack of object or field visibility.
Error handling—Error handling in Visualforce is a process of catching all ...