All browsers have some kind of caching mechanism in place, but to be honest, they don’t always work. Until HTML 4, the only work around was that the user had to save each page individually. HTML 5, thankfully, provides a smarter solution. View original here: HTML 5: Offline Application Caching

Social Bookmarking has become an important way of driving traffic to your site. You can choose from a variety of scripts, but you’ll soon run into maintenance issues. There’s an easier way, an all-in-one script, by AddThis. By Lee Underwood. 0115 The rest is here: How to Use the ‘AddThis’ Social Bookmarking Service