https://www.vsehvosty.ru/forum..../viewtopic.php?p=616
You should keep your videos under 20 minutes. If your video includes a product demo, you can spend upwards of 20 minutes, if necessary. As a general rule, if you are advertising a deal or promotion, stay under ten minutes. You don't want your viewers to get bored. While videos need to stand alone based on their content, they must still be promoted. After upload your videos, try promoting them via social networks, newsletters, blogs, and the like. It takes time for videos to rank organically in search engines, so they need a push to