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 time to load, but users are using more data, both of which can be resolved, at least in part, by optimizing the images before they are downloaded. Researchers around the world are busy developing new image formats that possess high … Read article “Converting and Optimizing Images From the Command Line”
The post Converting and Optimizing Images From the Command Line appeared first on CSS-Tricks. You can support CSS-Tricks by being an MVP Supporter.
https://css-tricks.com/converting-and-optimizing-images-from-the-command-line/
Login to add comment
Other posts in this group

ResizeObserver, MutationObserver, and IntersectionObserver enhance performance over their predecessors. Zell discusses their API similarities, usage steps, refactoring strategies, and advantages wi

We put it to the test and it turns out Sass can replace JavaScript, at least when it comes to low-level logic and puzzle behavior. With nothing but maps, mixins, functions, and a whole lot of math,

The HTML popover
attribute transforms elements into top-layer elements that can be opened and closed with a button or JavaScript. Popovers can be dismissed a number of ways, but there

This is the third article in a series about the CSS shape()
function. We've covered drawing lines and arcs in previous articles and, this time, we look specifically at the curve

The State of CSS 2025 Survey dropped a few days ago, and besides anticipating the results, it's exciting to see a lot of the new things shipped to CSS reflected in the questions.
<hr /

The contrast-color()
function doesn’t check color contrast, but rather it outright resolves to either black or white (whichever one contrasts the most with your chosen color). Safari T

So, how can you take dialogue box design beyond the generic look of frameworks and templates? How can you style them to reflect a brand’s visual identity and help to tell its stories? Here’s how I