Go to any YOUTUBE video. Right Click >> View page source >> Search (Ctrl+F) search bar appears >> Type ‘keyword’. Search highlight text and find the keywords used for the video.
Image source : Mobile Camera (Pardon the image quality)
I just opened YouTube. Checked the First video titled : KHAIRIYAT.
Title of Video : Full Song : KHAIRIYAT (BONUS TRACK) | CHHICHHORE | Sushant, Shraddha | Pritam, Amitabh B|Arjit Singh
Keywords : Songs 2019, Songs, tseries songs, new songs 2019, tseries, songs, bollywood songs, latest hindi songs tseries, chhichhore, chhichhore trailer, chhichhore movie songs, chhichhore movie trailer, shraddha kapoor, sushant singh rajput, chhichhore 2, chhichhore full movie, chhichhore cast, varun sharma, tushar pandey, nitesh tiwari, shraddha kapoor movies, chhichhore movie, chhichhore the movie, woh din, college life
Normally keywords in Youtube is understood from the title of video itself (Main Keywords , Focus Keywords are used in title is best practice)
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