A practical method for measuring Web above-the-fold time

Abstract : Page load time (PLT) is still the most common application Quality of Service (QoS) metric to estimate the Quality of Experience (QoE) of Web users. Yet, recent literature abounds with interesting proposals for alternative metrics (e.g., Above The Fold, SpeedIndex and variants) that aim at closely capturing how users perceive the Webpage rendering process. However, these novel metrics are typically computationally expensive, as they require to monitor and post-process videos of the rendering process, and have failed to be widely deployed. In this demo, we show our implementation of an open-source Chrome extension that implements a practical and lightweight method to measure the approximated Above-the-Fold (AATF) time, as well as others Web performance metrics. The idea is, instead of accurately monitoring the rendering output, to track the download time of the last visible object on screen (i.e., "above the fold"). Our plugin also has options to save detailed reports for later analysis, a functionality ideally suited for researchers wanting to gather data from Web experiments.
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Poster communications
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https://hal.inria.fr/hal-01960984
Contributor : Vassilis Christophides <>
Submitted on : Tuesday, January 8, 2019 - 4:53:05 PM
Last modification on : Tuesday, May 14, 2019 - 10:12:51 AM

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  • HAL Id : hal-01960984, version 1

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Diego Da Hora, Dario Rossi, Vassilis Christophides, Renata Teixeira. A practical method for measuring Web above-the-fold time. ACM SIGCOMM 2018 Conference, Aug 2018, Budapest, Hungary. ⟨hal-01960984⟩

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