A new method and computer program for evaluating page resizing of a web browser in order to facilitate development of web browser technology with regard to web browsers' resizing capabilities. The method comprises creating a web page with a test area, which test area comprises a plurality of test elements. Then, the web page is displayed by the web browser and a determination step is performed for each test element in the displayed web page. The determination step comprises determining locations of at least two original edge points of the test element. After this, the method comprises resizing the test area within the web page and displaying the web page with the resized test area. Then, a further determination step is performed for each resized test element in the displayed web page, whereby locations of at least two respective resize edge points of the test element are determined. After obtaining these locations, the method comprises making comparisons between the locations of the at least two original edge points and the locations of the at least two respective resize edge points.