Oct 04
It’d be great to have a firefox addon which allowed me to bookmark pages at a specific point in the page. Essentially, I’d be adding in my own anchor into the DOM and then booking marking that.
Implementation might be a bitch, but I’m thinking it would be really useful. Especially useful for dealing with things like long programming tutorials, which you will read over the course of several sittings and will want to put a placemarker.
Alternately, it could just be an add-on that puts a placemarker on the page at an assigned length down the page. When you come back your placemarker would still be there.
Anyone know of anything like this out there already?

October 6th, 2008 at 7:18 am
I wanted something like this before for reading big long gamefaq walkthroughs. I ended up writing a tiny little Ruby app that fetches the page down and allows you to page through it. It stores your line number in the app so when you reload the page you’re at the same point.
I liked the concept but not my implementation of it. Your idea seems like it would work for my needs as well. Multiple anchors in the same bookmark would be even better.
October 6th, 2008 at 7:57 am
I know there’s clipmarks, but it’s more like bookmarking blocks off the DOM. I was working on something similar for a design project at Pitt where you can comment on specific sections of page content, inserting a link around specified markup.
The concern is what if the page content changes? Does the bookmark persist? If so, do you just put a note that it changed since bookmarking? What if it’s a blog where the content you’re bookmarking is still there, but shifts down the page?
October 6th, 2008 at 8:20 am
This is such a good idea that it’s weird no one has made it yet
October 6th, 2008 at 2:12 pm
@Colin: game walkthroughs are exactly the kind of things I’m talking about.
@Lu: I totally get what you’re saying. I’m thinking what you’re actually doing is marking a certain pixel length down on a unique URL. If the content changes significantly enough, then maybe you do lose your place, but you haven’t lost very much. If the page doesn’t change much then bonus!
@JR: Damn right it’s a good idea!
September 15th, 2009 at 8:04 am
It’s already been created - try using diigo, it allows you to highlight specific sections of a website and add post-it comments on top of it, which keep your bookmarks tied to sections of the page.