Will embedded video files slow down HTML5 help output?

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rosalindnelson
Jr. Propeller Head
Posts: 2
Joined: Fri Dec 13, 2019 10:26 am

Will embedded video files slow down HTML5 help output?

Post by rosalindnelson »

My current project now has links to a number of links to Brainshark videos. The team would like to replace them with embedded .mp4 files. There is concern over whether this will slow down the output (which is HTML5). Does anyone have any thoughts on this?
NorthEast
Master Propellus Maximus
Posts: 6363
Joined: Mon Mar 05, 2007 8:33 am

Re: Will embedded video files slow down HTML5 help output?

Post by NorthEast »

I wouldn't expect it to be slower - I'd actually expect it to be faster, if it's anything like using embedded YouTube videos.

My help sites primarily use mp4 videos, but have some embedded YouTube videos. In very rough tests, the mp4 videos are ready to play around 4 times faster than embedded YouTube videos.

Anyway, if you're concerned then you can easily test this. Publish some test content to your server with topics that have both mp4 and embedded videos. Then using dev tools (F12) in your browser, use the Network tab to monitor the load speeds of the elements on your pages.
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