Accepts embedded code from these valid domains: youtube.com, youtube-nocookie.com, vimeo.com, ajax.googleapis.com, cdn.embedly.com, cdnapisec.kaltura.com, common-data-provider.github.io, community.ibm.com, docs.google.com, explore.apptio.com, fast.wistia.com, fast.wistia.net, gfycat.com, googleads.g.doubleclick.net, higherlogicdownload.s3.amazonaws.com, higherlogicstream.s3.amazonaws.com, ibm.box.com, kaltura.com, player.vimeo.com, qiita.com, reg.tools.ibm.com, service-management-unite.github.io, tiktok.com, video.ibm.com, web.microsoftstream.com, www.canva.com, www.facebook.com, www.kaltura.com, www.linkedin.com, www.mentimeter.com, www.ustream.tv, www.youtube-nocookie.com, www.youtube.com.