At the International Search Summit in May, Gary Illyes from Google revealed some intriguing insights into video SEO. According to Gary, Google cannot read subtitles. Yes, you heard that right – both caption files and burnt-in subtitles are completely unreadable to Google! The same thing applies for voice-overs – Google cannot tell what language is being spoken in a video. That means that they're not used by the search engine to understand the contents of videos or rank them. For international companies who make multiple versions of a video with different subtitles or voice-overs to target different countries, that's bad news. So, what does Google take into account when ranking videos? Watch this video to learn more!