I don't like footnotes/endnotes at all, because they still incur the opacity of a link and require reader effort. Even a simple link-icon (to denote within-site

I don't like footnotes/endnotes at all, because they still incur the opacity of a link and require reader effort. Even a simple link-icon (to denote within-site links, before/after self-links etc) gives you more information than that! > I've played with sidenotes as an option, implemented in CSS (I've a few CodePens on this concept). One idea I've played with is having links be partially expanded and sort of 'docked' into the side, so you can glance over at any link and see the title & snippets. Crude mockup: https://gwern.net/doc/design/typography/sidenote/2022-11-16-gwern-gwernnet-dockedannotationsidebarmockup.jpg https://gwern.net/doc/design/typography/sidenote/2022-11-16-... It doesn't work with 1-column layouts on most monitors because not enough space, but could work with more newspaper-like layouts or a 2-column layout with the right column reserved for the bibliography/sidenotes-esque cards.