This site shows the same paragraph four times, each with a different kind of movement around it, and lets you set how much of each you want. It records where you leave the sliders and publishes what everyone chose.
That is the whole experiment. Nothing else about the page changes: not the words, not the size, not the spacing. The only variable is the motion.
Anyone can use it. The argument is aimed at the people who decide how much motion a website has: designers, developers, and anyone briefing them. Those decisions are usually made on taste, by one person, on behalf of everyone else. This is an attempt to put numbers next to that.
It is also for people who avoid parts of the web because motion makes them ill, and who are rarely asked what they would prefer.
Two of the four movements are designed to cost you something. One takes your balance, one takes your attention. That is deliberate, and it is the method rather than a contradiction.
Describing motion sickness does not produce data. Making someone feel a small amount of it, and then handing them the control, produces a choice you can record. If every movement here were harmless, everyone would keep everything and the result would mean nothing.
Nothing on this site is stronger than motion already common on live websites, everything starts completely still, and you can stop at any point.
Each movement has its own slider, marked 03 to 00.
03 is the most motion that movement has. 00 is completely still. The slider is continuous, not four steps, so if you settle at 1.4 that is what gets recorded. Every slider starts at 00, and any motion you see is motion you added.
Turn any slider to 00 and you do not get a broken page. You get a composed, still version of the same thing. The site also respects your system's reduced-motion setting. The point is that an accessible version can be designed rather than degraded.
Motion has been part of the web's language for two decades. The Flash era, the parallax boom, “Snow Fall” scrollytelling, and now WebGL spectacle. Each wave made the web more alive and, often, less usable.
In 2019 browsers added a way for people to ask for less motion. Most sites still treat that as an afterthought. The accessibility guideline covering it sits at the highest tier, which in practice means almost nobody meets it.
A capstone project by Chloe Monk, SIDN390, Te Herenga Waka, Victoria University of
Wellington, 2026. Built with HTML, CSS and JavaScript.
Read the research → the sources behind this