Jeremy Wagner Tutorials

Jeremy is a web developer living and working in the frozen tundra of Minneapolis-Saint Paul. He's the author of the Manning Publications book Web Performance in Action, a web developer's guide to building fast websites. You can find him on Twitter @malchata, or read his ramblings at https://jeremywagner.me.

• By Jeremy WagnerMarch 29, 2017

  JPEG Compression with Guetzli

  A little while ago Google released its Guetzli JPEG encoder, which claims a 20-30% improvement in file size over libjpeg. Being intrigued, I decided to give it a go. My tool of choice for optimizing JPEGs has long been jpeg-recompress, one of the...