I totally agree. And much of the JS complexity on smaller niche video sites aren’t even implemented properly. On some sites I just open developer console, find

I totally agree. And much of the JS complexity on smaller niche video sites aren’t even implemented properly. On some sites I just open developer console, find the m3u8 file URL and cookies in the request, and download it to view locally. Browsers generally do allow native seeking if the video is properly encoded and the site supports such niceties as Accept-Range: bytes.