If it is not possible to represent the widget as an iFrame, but it is possible to get a direct link to the video, use this link to generate a <video> with the correct src attribute. https://instantview.telegram.org/checklist#6-8-2-videos-from-unsupported-players my template handles it better. (You may need to right click the video -> open in new tab, bug of IV)
If the unsupported widget has an iFrame version, it's advisable to make it into an **<iframe>*.
Type of issue
IV not generated for target page
Reported
Jun 17, 2017
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https://instantview.telegram.org/checklist#6-8-2-videos-from-unsupported-players
my template handles it better. (You may need to right click the video -> open in new tab, bug of IV)