Tags: png



Essential Image Optimization

Following on from Amber’s introduction, here’s a really in-depth look at image formats, compression and optimisation techniques from Addy.

This is a really nicely put together little web book released under a Creative Commons licence.

When Should You Use Which Image Format? JPG? PNG? SVG?

Amber has been investigating which image formats make sense for which situations.

Choosing image format is only one step towards optimising images on the web. There are many, many other steps to consider, and so, so much to learn!

WebPonize - webponize.github.io

A Mac app for converting PNGs and JPEGs to WebP.

Better SVG Fallback and Art Direction With The <picture> Element

Smart thinking from Sara on providing a PNG fallback to browsers that don’t support SVG. Although, actually what I like about this solution is that it’s less about providing PNG as a fallback, and more about treating PNG as the baseline and SVG as the enhancement (an approach that the picture element is perfect for).

Protip: All browsers that support SVG background images also supports multiple background images.

A very hand tip from Ben on using SVG background images with a PNG fallback for IE8 and below.

NoisePNG - Generate noisy PNG-images with alpha-transparency

If you’re adding some noise texture to your backgrounds, this little service might be handy. I usually base-64 encode these kinds of background images: it would be nice to see that added as an option here.

Highly optimized images for the web in 3 steps | pasz.nl/blog

Some practical advice for optimising your images on the web.

ImageAlpha — lossy compression for 24-bit PNG images

From Kornel, the genius who gave us ImageOptim, comes another Mac desktop tool for optimising PNGs, this time converting 24-bit PNG to 8-bit with full alpha channel.

nathanford/pngy - GitHub

A script that attempts to detect connection speed (by requesting a test file three times in a row) in order to determine whether hi-res images should be requested or not.

How I Learned to Stop Worrying and Love Responsive Images — Paul Robert Lloyd

Here’s a great braindump from Paul following the Responsive Summit, detailing multiple ways of potentially tackling the issue of responsive images.

Assorted GARbage» Blog Archive » The Secret to Transparency with PNG8’s and IE6

I'm kicking myself that I didn't know about this little Fireworks trick.

CSS Gradient Text Effect

A neat new CSS effect. You don't see many of those these days.

Pie Chart (JavaScript edition)

Dmitry built an incredibly cool JavaScript pie chart. It also integrates with Flickr using Ajax to do a Flickr version of googlefight. Great stuff!