Site developers help Web surfers view real-time information by writing code that makes browsers such as Firefox refresh. For example, an auction website might refresh Web pages every few seconds to ...

Caching is typical behavior of any browser. Whenever you visit a website, it downloads the file and keeps it. So next time you visit the same site, it doesn’t download those files again. Technically, ...

Ed Rhee, a freelance writer based in the San Francisco Bay Area, is an IT veteran turned stay-at-home-dad of two girls. He focuses on Android devices and applications while maintaining a review blog ...