5 ms·
CSS sprites most likely. You can combine related smaller images into one image and then position the background image to an element so that only one portion of
by prawnsalad 7y ago
CSS sprites most likely. You can combine related smaller images into one image and then position the background image to an element so that only one portion of it is shown. This increases load speed and caching abilities since only one http request is made for the single combined background image.
- notatoad 7y agothe hn vote arrow is not a sprite - it's a single image, displayed rotated 180 degrees for the downvote. https://news.ycombinator.com/grayarrow.gif https://news.ycombinator.com/grayarrow.gif