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I recently blogged about how images are hard and it ended up being a big ol’ checklist of things that you could/should think about and implement when placing images on websites.

I think it’s encouraging to see frameworks — these …

Most images on the web are superfluous. If I might be a jerk for a bit, 99% of them aren’t even that helpful at all (although there are rare exceptions). That’s because images don’t often complement the text they’re …

Malte Ubl’s list for:

8 image loading optimization techniques to minimize both the bandwidth used for loading images on the web and the CPU usage for image display.

Images take up to 50% of the total size of an average web page. And if images are not optimized, users end up downloading extra bytes. And if they’re downloading extra bytes, the site not only takes that much more …

Something I learned (or, I guess, re-learned) this year is how important it is to pay close attention to the bit depth of images. Way back in the day, we used to obsessively choose between 2-, 4-, or 8-bit …

Here’s a neat idea from Tim Kadlec. He uses the Modheader extension to toggle custom headers in his browser. It also lets him see when images are too big and need to be optimized in some way. This is a …

There are all these sites out there that want to help you with your images. They do things like optimize your images and help you serve them performantly.

That's a very good thing. By any metric, images are a major slice of the resources on websites, and we're notoriously bad at optimizing them and doing all the things we could to lower the performance hit from them. So you use some service to help you deliver images better. Smart. Many of them will make managing and optimizing images a lot easier. But I don't consider them a no-brainer. There is a lot to think about, like making choices that don't paint you into a corner.