#Imageoptim command line how to#

The report shows us how much data each tool saves and how much quality was lost statistically. To inform our work, I ran the most popular image optimization tools over a varied sample of images (kindly donated by Daan Jobsis via his вЂњ Retina RevolutionвЂќ article), and IвЂ™ve published the results on GitHub. Regardless of which you choose, you will likely speed up your website and keep users happy. If youвЂ™re not currently using any image optimization tool, I would urge you to choose one.

#Imageoptim command line how to#

How To Optimize Images With HTML5 Canvas.

Efficient Image Resizing With ImageMagick.

Thankfully, a number of popular tools can help us optimize images even further, but which should we use? We assumed, for a time at least, that our graphics editing software properly optimized our files, but what do we really know about our image optimization tools? Further Reading on SmashingMag: In fact, much more data is usually left in such files, data that browsers have to download despite not requiring or even using it, data that keeps our users waiting just a bit longer than necessary. Our eyes fixate on an imageвЂ™s preview, carefully adjusting the quality and optimization settings until weвЂ™ve found that sweet spot, where the file size and quality are both the best they can possibly be.ДЄfter exporting the image - usually using a feature called вЂњSave for the WebвЂќ - and having gone to all that care and effort, we would be forgiven for thinking that our image is in the best shape possible. Exporting images for the Web from oneвЂ™s favorite graphics software is something many of us have done hundreds of times.