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Mozilla engineer claims Google purposefully slowed YouTube for non-Chrome browsers

There are fixes if you're on Firefox or Edge.

Jul 27, 2018, 12:47 pm

Tech

Christina Bonnington 

Christina Bonnington

An engineer with Mozilla recently discovered that Google seems to have slowed YouTube, one of the world’s most popular websites, on non-Chrome browsers.

According to Mozilla’s technical program manager, Chris Peterson, it has to do with a recent YouTube redesign. YouTube’s Polymer redesign uses an older Shadow DOM API that’s been deprecated; Mozilla’s Firefox and Microsoft’s Edge browsers work with the standard Shadow DOM and Custom Elements APIs.

There is a fix, if you’re a Firefox user:

There’s a fix for Microsoft Edge, as well.

In subsequent tweets, Peterson notes that your mileage may vary—others see smaller speed differences.

A Google spokesperson told CNET that the company found overall YouTube performance is the same on Firefox that it was before the site redesign, according to its latest metrics. However, Google acknowledged that it isn’t perfect, and does find bugs from time to time that can affect performance for users. In fact, it recently fixed a bug that improved performance for Firefox browser users.

Mozilla, meanwhile, says that it’s been working with YouTube as the company migrates to these standard APIs. “The Firefox community maintains its focus on improving user-visible performance on all sites, including YouTube,” a Mozilla spokesperson said in a statement.

If YouTube does in fact tend to run slower on other browsers, it’s certainly annoying, but not unheard of. Browser makers engineer their products to work smoothly together. Apple, for example, specifically engineers its Safari browser to run as fast as possible on the Mac. However, depending on the device you’re running, the browser version you’re on, internet speeds, and other factors, speed differences between browsers may be negligible, or exceedingly noticeable. If you’re frustrated that your favorite sites are loading slowly, it may be time to give some other browsers a try and see how they compare.

H/T CNET

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*First Published: Jul 27, 2018, 12:47 pm