Oh ffs. First off, I'm not from the US. I've been there for less than a month combined. Secondly, if you do want to nitpick, at least do some research first. The video in question is 60 or 30 fps depending on the quality setting.
$ yt-dlp -F https://www.youtube.com/watch?v=j_4iTovYJtc
[youtube] j_4iTovYJtc: Downloading webpage
[youtube] j_4iTovYJtc: Downloading android player API JSON
[youtube] j_4iTovYJtc: Downloading player df5197e2
[info] Available formats for j_4iTovYJtc:
ID EXT RESOLUTION FPS │ FILESIZE TBR PROTO │ VCODEC VBR ACODEC ABR ASR MORE INFO
─────────────────────────────────────────────────────────────────────────────────────────────────────────────
sb2 mhtml 48x27 │ mhtml │ images storyboard
sb1 mhtml 80x45 │ mhtml │ images storyboard
sb0 mhtml 160x90 │ mhtml │ images storyboard
139 m4a audio only │ 46.85MiB 48k https │ audio only mp4a.40.5 48k 22050Hz low, m4a_dash
249 webm audio only │ 49.06MiB 51k https │ audio only opus 51k 48000Hz low, webm_dash
250 webm audio only │ 63.84MiB 66k https │ audio only opus 66k 48000Hz low, webm_dash
140 m4a audio only │ 124.33MiB 129k https │ audio only mp4a.40.2 129k 44100Hz medium, m4a_dash
251 webm audio only │ 125.02MiB 130k https │ audio only opus 130k 48000Hz medium, webm_dash
17 3gp 176x144 8 │ 56.70MiB 59k https │ mp4v.20.3 59k mp4a.40.2 0k 22050Hz 144p
160 mp4 256x144 30 │ 37.86MiB 39k https │ avc1.4d400c 39k video only 144p, mp4_dash
278 webm 256x144 30 │ 42.59MiB 44k https │ vp9 44k video only 144p, webm_dash
133 mp4 426x240 30 │ 84.31MiB 87k https │ avc1.4d4015 87k video only 240p, mp4_dash
242 webm 426x240 30 │ 70.03MiB 72k https │ vp9 72k video only 240p, webm_dash
134 mp4 640x360 30 │ 167.27MiB 174k https │ avc1.4d401e 174k video only 360p, mp4_dash
18 mp4 640x360 30 │ 352.24MiB 366k https │ avc1.42001E 366k mp4a.40.2 0k 44100Hz 360p
243 webm 640x360 30 │ 134.68MiB 140k https │ vp9 140k video only 360p, webm_dash
135 mp4 854x480 30 │ 294.98MiB 307k https │ avc1.4d401f 307k video only 480p, mp4_dash
244 webm 854x480 30 │ 233.37MiB 243k https │ vp9 243k video only 480p, webm_dash
136 mp4 1280x720 30 │ 653.31MiB 680k https │ avc1.4d401f 680k video only 720p, mp4_dash
22 mp4 1280x720 30 │ ~795.07MiB 808k https │ avc1.64001F 808k mp4a.40.2 0k 44100Hz 720p
247 webm 1280x720 30 │ 548.72MiB 571k https │ vp9 571k video only 720p, webm_dash
298 mp4 1280x720 60 │ 817.18MiB 850k https │ avc1.4d4020 850k video only 720p60, mp4_dash
302 webm 1280x720 60 │ 651.39MiB 678k https │ vp9 678k video only 720p60, webm_dash
And the units? Hz and FPS are generally interchangeable but FPS is more often used as a measure of how fast something renders while Hz is more often used for monitor refresh rates (a holdover from CRTs I guess).
