Tag Archives: Ajax

6 Things You Should Know About Fragment URLs

March 03st, 2011 - 3:26PM

1. A Fragment URL Specifies A Location Within A Page Any URL that contains a # character is a fragment URL. The portion of the URL to the left of the # identifies a resource that can be downloaded by a browser and the portion on the right, known as the fragment identifier, specifies a location within the resource: In HTML documents, the browser looks for an anchor tag <a> with a name attribute matching the fragment. For example, in the URL shown above the browser finds a matching tag in the Printing Support heading: <h3><a name="print"></a>Printing Support</h3> and scrolls … Continue reading →

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 →

New Ajax Page in the HTTP Gallery

June 06th, 2008 - 9:00AM

We’ve added a page to our HTTP Gallery that provides an introduction to Ajax and some simple working examples. The new page is available here: http://www.httpwatch.com/httpgallery/ajax/ BTW, you can view the AJAX requests made by this page using the free Basic Edition of HttpWatch.