Check your internet speed to make sure your internet is fast enough for smooth playback. We
recommend a minimum
internet download speed of 1.5mbps for video-on-demand content and 4mbps for live event
How fast is my internet?
You can test your internet speed by
using a service such
as www.speedtest.net. If your
download speed is slower,
your viewing experience may be degraded. Please note that viewing a live video stream
over a wireless connection can
Disable ad-blockers or other browser extensions that may be interfering with the page.
"Hard refresh" the page. This is done by pressing the "Ctrl-F5" keys on Windows or
"Cmd-Shift-R" on Mac.
Close all instances of your browser then relaunch the browser and try again.
Clear your browser cache. You can find instructions for clearing your cache here.
If problems persist, it may be a problem at the live stream venue. Please try again later.
Video playback is very slow
There could be a number of causes resulting in slow or interrupted video playback. In general, if
connecting over Wi-Fi and experiencing constant rebuffering or other issues during playback, try
your router to another location and away from other devices that may cause electrical
We recommend the following:
Move your wireless router to a more central location of your home.
Move your wireless router to an elevated surface such as a desk or on top of a bookshelf.
Clear clutter from the vicinity of your wireless router.
Copernicus Program: EUs Eyes on Earth, English version