Fixing HTML video autoplay, blank poster, first frame, and improving performance in Safari and iOS devicesArticle contains
  1. Fixing autoplay for Safari on iOS
  2. The first frame is not seen as the poster on iOS Safari
  3. How to get HTML5 video thumbnail without using poster on Safari or iOS
  4. Improving performance
  5. Video examples
iPhone. Image by 3D Animation Production Company from Pixabay.

Fixing HTML video autoplay, blank poster, first frame, and improving performance in Safari and iOS devices

Autoplaying videos on Safari and iOS devices can be tricky due to specific browser policies and behaviors. By default, Safari on iOS devices (including iPhones) plays video content in full-screen mode when the play button is activated. This is a security feature to prevent malicious websites from playing video content without the user’s consent.

Additionally, the blank white box you’re seeing before playing the video is due to the fact that Safari doesn’t display the video poster image or the first frame of the video by default. This is a known issue with Safari on iOS devices.

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