When a friend or family member comes to you asking for help with a program that's not working correctly, the first thing most of us ask is: "Did you try restarting?" When I'm talking web sites, it ...

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, ...

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 ...