The quality of your live playback experience is largely dependent on the download speed you have from ISP (Internet Service Provider) or mobile provider. Keep in mind that your overall Internet speed can vary depending on many factors, including but not limited to: time of day, Wi-Fi performance, other devices/users utilizing your connection, and the strength of the signal provided by your ISP.

We recommend that you use the most updated version of browser possible.

Specifically, we recommend using the following browsers and versions on Windows 7 or later or macOS Sierra (10.12.6) or later:

• Chrome 30+ (has automatic updates)
• Firefox 27+ (has automatic updates)*
• Microsoft Edge
• Safari 9+ 

*H.264 video (required for viewing Vimeo videos) is only supported in Firefox for Windows 7 and later. Firefox versions on Windows XP are no longer supported for playback. 

Mobile viewers can use Android (Lollipop) version 5.0+ or iOS version 9.3.5+.

For complete information, see https://vimeo.zendesk.com/hc/en-us/articles/360040394231-Network-and-browser-requirements-for-viewing-streams.