Tag Archives: Caching

Ajax Caching: Two Important Facts

August 08th, 2009 - 6:17PM

Ajax calls are just like any other HTTP request that might be used to build a web page. However, due to their dynamic nature people often overlook the benefit of caching them. Rule 14 of High Performance Web Sites states: Make Ajax Cacheable Make sure your Ajax requests follow the performance guidelines, especially having a far future Expires header. The rest of this blog post covers two important facts that will help you understand and effectively apply caching to Ajax requests. Fact #1 : Ajax Caching Is The Same As HTTP Caching The HTTP and Cache sub-systems of modern browsers … Continue reading →

Google: Let’s make the web faster

June 06th, 2009 - 11:16AM

Google has launched a new site that promotes the use of techniques to make web pages load faster. The site shares some of the tools and ideas that are used within Google to optimize its own web sites. The article on caching uses HttpWatch to show the difference in performance when the Expires header has been correctly set:

Two Important Differences between Firefox and IE Caching

October 10th, 2008 - 1:23PM

When you setup a web server there are generally two types of caching that you need to configure: HTML resources are expired immediately so that any changes made to a site are quickly picked up by existing users. You set everything else (e.g. images, CSS, Javascript) to expire at some distance time in the future. This caching scheme is covered in Two Simple Rules for HTTP Caching along with some ideas about how to manage changes. Now that HttpWatch 6.0 supports Firefox we wanted to cover some differences in the way that it handles caching compared to Internet Explorer. The use of … Continue reading →