Video SEO is the practice of optimizing videos to rank higher within video search engines such as YouTube, Video SEO can also be utilized on website pages where videos are embedded to improve Google Search Rankings.
Video SEO can be highly important to increase metrics such as Dwell Time and Click Through Rate (CTR) when optimized for rich snippets, this can send positive signals to Google in an effort to increase rankings against priority keywords. Video SEO can also be performed on YouTube channels in an effort to boost viewership and subscription rates.
YouTube SEO includes factors such as keyword rich video titles, well written descriptions, tags and optimizing for related video sidebar. Concentrating on these aspects can see a substantial boost to viewership and subscription rates.
Video SEO for embedded video content on a web pages looks at factors such as transcript of the video content on the same page, how long the user spends on the page and other properties such as video schema to determine rankings within Google Search.