As the web is now 25 years old, it can be interesting to see the big paths of evolution of web technologies, via standardisation work as W3C. Areas of technology needs have changed, some due to reason intrinsic to the web, some due to extérnal forces outside the web. There are also changes in how technology standards are developed, influenced by drivers such as accelerating evolution rate at which new technologies come to market, and increased demand pull from web dependent industry.