Small-files: Difference between revisions

Revision as of 15:06, 10 September 2025

How to compress images?

What is data compression? It's a way to encode information in such way, that is uses less bytes to store it.

General useful references:

And if you are curious to learn how image files are encoded, have a look at the following links:

Image file types

How to choose between GIF, JPEG, or PNG?

Image resizing

Decrease the file size of an images by saving them with specific settings: quality, smoothing, progressive loading, no exif data, color sub-sampling. You can do this in Gimp, Imagemagick or Photoshop.

Dithering

hitherdither: A package implementing dithering algorithms that can be used with PIL/Pillow.

Keep your web pages light!

Check the size of a web page

Right-click on inspect and click on network.

Lazy loading

CSS sprites

https://github.com/lowtechmag/solar/wiki/Solar-Web-Design#image-sprites

Links

Small files as a feature

Command line tools

Mogrify (part of imagemagick)
pngcrush
gifslice
jpegtran

@@ Line 7: / Line 7: @@
 * [https://kokorobot.ca/site/image_optimization.html Ways to optimize images for the web, by Rekka Bellum]
 * [https://github.com/lowtechmag/solar/wiki/Solar-Web-Design How to Build a Low-tech Website: Design Techniques and Process]
-* [https://www.simplethread.com/why-your-website-should-not-use-dithered-images/ Why Your Website Should Not Use Dithered Images]
 And if you are curious to learn how image files are encoded, have a look at the following links: