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WebPerf Cost Of Javascript In 2019 by Addy Osmani

Discussion in 'Web Development & Web Performance' started by eva2000, Feb 25, 2020.

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  1. Feb 25, 2020 #1
    eva2000

    eva2000 Administrator Staff Member

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    Javascript plays an important factor in determining your page load speeds. Addy Osmani presented a talk at PerfMatters Conference 2019 discussing the cost of downloading, processing and executing Javascript for page speed and how device cpu processing power is also a factor. Lowend mobile devices are much slower at processing and executing Javascript than flag ship highend mobile devices.
    cost-of-js-mobile-devices-01.png


     
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