I'm messing around trying to get my website comments working (which, btw, is a nightmare), and i noticed this. Im not sure if its common knowledge, so i decided to post it because i think its neat.
Lets say you link to a comment with the regular link like this
What you get is the full original post with the comment highlighted in yellow.
but
If you remove everything between "steemit.com/" "@" from the link, you can open the comment alone. Just like it appears in the iframe when you click on it in your comments feed, but in a regular frame.
This is especially useful for posts with a huge number of comments that take a ton of scrolling and get unresponsive.
if you use piston or a javascript interface, you can also shorten the url and customize the title bar: