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jsblocking adds more spacing for images Oct 18, 2013

Performance demos

This repository contain several web-application and web page demos with regards to performance optimizations. Navigate into the individual demos to read more and to get the code.



  • Did you know that it is much more efficient to place a background image on the body tag than the typical wrapper tag?
  • Did you know that placing scrolling listeners on an element disables hardware accelerated scrolling?
  • Setting the width and the height of an image allows the browser to calculate the metrics of the page way faster and helps avoid reflows.