VIXY video might be a bit more popular than SlideDog. We know about 1 link to it since March 2021 and only 1 link to SlideDog. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Https://slidedog.com/ has a free option but I don't know how restrictive it is. They don't talk about it much so obviously want you to upgrade to pro. Source: almost 3 years ago
I'm currently working with a client that uses Vixyvideo (vixyvideo.com) for their Video embeds. All though they have more control over the layout of the embeds, it's hard to optimize the videos for Google. I can add some meta- and structured data, but the videos won't show up in the SERP's like Youtube videos do. Source: almost 3 years ago
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