Method for measuring webpage first screen time

Abstract

The invention discloses a method for computing webpage first screen time based on a render engine event. The method comprises the steps that a render event of a render engine of a browser is captured through a specific method, current status information of a webpage is obtained in the render event through a DOM method, the step is continuously executed if the webpage status is not smaller than the special status, and capture is executed again if the webpage status is smaller than the special status; the actual height of the webpage is obtained in the render event of the browser through the DOM method, the step is continuously executed if the actual height of the webpage is not smaller than the height of a first screen area, and capture is executed again if the actual height of the webpage is smaller than the height of the first screen area; the range of the current render area is obtained in the render event of the browser, the step is continuously executed if the current render area is within the first screen range, and capture is executed again if the current render area is not within the first screen range; a screen image of the current webpage is obtained, whether a webpage first screen is filled or not is judged according to the screen image, if not, the render event of the render engine continues to be monitored, and if yes, the time value of the first screen is recorded, and capture of the render event of the render engine of the browser is stopped.

Description

technical field [0001] The invention belongs to the field of automated testing, and in particular, the invention relates to a method for measuring the first screen time of a webpage, which can be applied to a browser rendering engine, automated testing of page loading performance or performance monitoring. Background technique [0002] The user's access to the website is realized based on the webpage obtained by the browser. Usually, after a website page is fully loaded, the total page height ranges from one screen to more than a dozen screens, and the total loading time is much longer than the loading time of the first screen content. From the perspective of user experience, the first screen time is an important factor in the user's experience of a website's loading performance. When the page fills the above-the-fold area, users can see the content and perform operations such as clicking and scrolling without having to wait until all the content is loaded. Therefore, the ...

AI Technical Summary

Problems solved by technology

[0006] The above method has the following disadvantages: (1) This method is triggered based on a timer. The highest precision of the timer on the windows system is 55ms, and there is a certain error in the measurement accuracy; (2) The operation of obtaining the screen image consumes memory Compared with the CPU, high-frequency acquisition of screen images will affect the performance of the browser process on machines with relatively low hardware configuration, that is, the introduction of monitoring will lead to a large deviation between the measurement results and the actual; (3) In addition, this method does not consider the page Influenced by the background color and user-defined windows appearance color, the measurement results on some special pages may be inconsistent with the user's naked eye observation results

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