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Showing posts tagged “AJAX”

Understanding Web Pages in Modern Web Apps

With the advent of AJAX and one-page applications, the concent of a “web page” as a single file with HTML is antiquated. A simple website where the user navigates from page to page has morphed into a web-based application, with complicated user interface elements that aren’t web pages in the traditional sense.
And yet for testing purposes, we need to separate the different stages of a workflow for a web-based application. In Load Tester, then, the concent of a “page” could be anything from a traditional HTML file to a single asynchronous AJAX call. The common denominator is each “page” is … Continue reading »

Load Testing an Javascript or AJAX Application

Most of us are relieved that web applications are starting to behave more like desktop applications – i.e. smarter and easier to use. A little wow factor here and there doesn’t hurt either. Ease of use always has a cost, so it should come as no surprise that the AJAX applications are more difficult to develop. But you may be surprised that they can also be more difficult to load test.
The reason is fairly simple. Traditional web applications are relatively easy to model and simulate. The state of a user session, at any given time, is a combination of the … Continue reading »

Javascript/JSON Support in Load Tester 4.3

Over the last year, Web Performance engineers have been working to make Load Tester smarter and easier to configure.  Load Tester 4.2 introduced the new Fields View, which allows test case developers to write out HTTP requests using a flexible and composable assortment of data sources.
Starting with Load Tester 4.3, Load Tester will automatically recognize JSON content in any HTTP request.  As a consequence, each JSON element will become a configurable name-value pair field in the Fields View.  We believe this will make it much easier to configure complex AJAX and RESTful style test cases.

Furthermore, whenever Load Tester’s Application … Continue reading »

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