你会如何教web开发？

I am the lead instructor of web & internet related courses on a private post high-school institution. My current classes include introductions to HTTP, TCP/IP, (X)HTML/CSS/JavaScript and generic SQL. Next year we will deal mostly with PHP / Java. What, in your opinion, are the most important aspects of web development in contrast and relation to traditional development and what should be the main focus of my lectures?I am the lead instructor of web & internet rela