性能           JSP              ASP                     PHP
易学性           容易             很容易                    很容易
运行速度            快              较快                     较快
运行开销            小              较大                     较大
运行平台    WINDOWS/UNIX/LINUX             WINDOWS            WINDOWS/UNIX/LINUX
扩展性           很好               好                     不好
安全性            好              不好                     一般
分布式处理      支持              支持                    不支持
厂商支持程度     广泛               少                    较广泛
对XML的支持     支持             不支持                     支持