Serving the wrong image type can really hurt web performance. An improperly saved image can waste bandwidth and delay the page load time. In this blog post, I’ll show how you can use the file and grep commands to quickly, easily, and automatically find mismatched images that look like one image type but are actually […]

I’m a big fan of image optimizations, and have written several posts about it. Images dominate the web in terms of both byte size and request count. Luckily, they are super easy to optimize with free and/or open source tools. For lossless image optimization, you can expect to consistently reduce the size of your image […]