# Rerendering on widget keyUp / keyDown? **URL:** \ **Category:** Development\ **Created:** [23. April 2017 um 14:02 UTC](https://meta.discourse.org/t/rerendering-on-widget-keyup-keydown/61461 "2017-04-23T14:02:30Z")\ **Posts on this page:** 1\ **Showing post:** 4
**Author:** ![gdpelican](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/gdpelican/32/81308_2.png) [@gdpelican](https://meta.discourse.org/u/gdpelican)\ **Post date:** [30. April 2017 um 22:36 UTC](https://meta.discourse.org/t/rerendering-on-widget-keyup-keydown/61461/4 "2017-04-30T22:36:18Z")
Okay, I can confirm this. With a small amount of posts loaded in the window, the rendering times are acceptable (40-60ms each for keyUp / keyDown) However, as more posts are loaded into the window, the rendering time of the widget gradually increases: 50 posts: ~50ms 100 posts: ~70ms 150 posts: ~100ms 200 posts: ~130ms etc. There’s certainly a scaling issue here, but it doesn’t really manifest itself except that it’s rerendering on keyUp _and_ keyDown 😕 (I need both for separate events), meaning we get to that 300ms limit of human perception quite quickly. --- _[View the full topic](https://meta.discourse.org/t/rerendering-on-widget-keyup-keydown/61461)._