you most likely need to pass a cookies file to authenticate How do i pass cookies to yt-dlp

If the video is actually encrypted (like a streaming service) there are a lot more steps to do to strip Widevine

I archive blog posts mostly. Nice to have them more than bookmarked and i’ve had many smaller blog just vanish over the years.

Sometimes i use grab-site for full domain captures and a simple wget -p -k for less demanding sites.