The effect is similar to dragging a string past a cat: complete distraction — unable to avoid focusing on the movement — unable to extract any information from the movement.
To understand the measurements, cover the "fun visualization" and read the numbers in the single column data table.
(Unfortunately we aren't able to scan down the column of numbers, because the language implementation name is shown first.)
Previously: <blink>
https://developer.mozilla.org/en-US/docs/Glossary/blink_elem...