Optimizing Images on Alexa’s Top 100 Global Sites | Kraken · BlogKraken Image Optimizer - BlogAt Kraken.io we are pretty good at image optimization. This time we checked how well Alexa’s Top 100 Global Sites are optimized. On the 3rd of July 2014 we crawled those 100 websites and optimized all of their images – not only those found in img src but also those from CSS files (background images). On average we were able to save 12% and 33% (lossless and lossy) wit
