Comments on: punypng Benchmarks

By: Intermediaware » Web page Optimizing

Intermediaware » Web page Optimizing — Wed, 17 Nov 2010 23:33:49 +0000

[...] find a benchmark of various png compressors here. Other algorithms might be better than the one from [...]

By: Mikael

Mikael — Tue, 16 Mar 2010 20:29:58 +0000

Optipng and Advdef are the only two programs you really need to accomplish world class results.
Optipng is unfortunately in default state using -o7 O(n^4) which means it’s very slow.
I’ve managed to make it O(n), i.e. making it finish in linear time, while producing the best possible compression, often better than pngout but at around a tenth of the time.

All I wanted to say is that you don’t need Photoshop for dirty transparency or color-management, the two things which can make Optipng+Advdef produce amazing results at lightning speed.

Thank you Sergey btw for your excellent articles at Smashing Magazine!
The articles have been invaluable during my development! :-)

And lastly, here’s the PNG benchmark image optimized:
http://i.imagehost.org/0142/benchmarks.png

By: Online image optimization, or taiming robots | Speeding Up Website: all about web performance

Tue, 12 Jan 2010 21:22:47 +0000

[...] gives additional 20% of savings. Authors talked about 25% average additional achievements in their benchmarks post. Seems to be the [...]

By: blog zone

blog zone — Sat, 02 Jan 2010 12:04:08 +0000

Thanks for this post..punypng is great an image compress

By: conrad

conrad — Thu, 29 Oct 2009 16:14:04 +0000

@chrisco: You can upload up to 50 images per time by just shift-selecting multiple files in the file selection dialog. I’m not sure why you think you can only upload one image at time…

By: chrisco

chrisco — Thu, 29 Oct 2009 11:22:57 +0000

Need a desktop PunyPNG or ability to upload a zip file full of images.. the one-at-time upload is a case study in terrible usability.

By: conrad

conrad — Wed, 07 Oct 2009 15:37:56 +0000

@Mike: Yeah, uploading a ZIP of images is on my to-do list. Regarding the max upload, it’s actually 150KB max limit per file, up to 50 files, so that’s quite a lot actually per upload session.

By: Mike Badgley

Mike Badgley — Wed, 07 Oct 2009 12:55:34 +0000

Great service! Any plans for allowing the upload of a .ZIP of images? Or, perhaps more importantly, being able to upload more than 150KB of images at one time?

By: neolith

neolith — Tue, 06 Oct 2009 08:28:40 +0000

I can recommend PNGOptimizer. It’s easy to use, fast and its compression ratios are similar to punypng.

By: Ashley

Ashley — Sun, 20 Sep 2009 16:10:06 +0000

I had great results with punypng using larger sized images (http://heiwuya.net/heiwuya.png), getting 25% compression, but smaller pngs like http://heiwuya.net/yi1.png were not compressed at all with punypng, but managed 12% compression with smush.it