One or two sentences on why it was worth reading. Be specific — what was the insight? What changed how you think? The best bookmarks explain why the link matters.
example.com
What does it do? Why is it better than alternatives? One short paragraph is plenty.
toolsite.com
Short description. If it's long, mention the runtime — e.g. "45 min, worth every minute." What was the key idea?
YouTube
What was the episode about and why did it resonate? What would you say to a friend to convince them to listen?
Podcast Name · Episode 42
Even a short note on why it's worth reading. Who would you recommend it to?
Author Name
Even a 5-minute read can shift perspective. What was the insight that stuck with you?
medium.com