如何使用渐进式jpegs magento

Question

I have to problem with Magento. I am testing speed of your site on http://www.webpagetest.org/ and result is "Use Progressive JPEGs: 0/100"

How to increase the point of using progressive JPEGs? I've read the guide here but it's not successfully. My magento version is 1.9.0.1 link

Answer 1

For Centos,

1. Go to terminal
2. yum install jpegoptim
3. Go to the folder containing images, which you want to optimize and run following command.
4. find . -iregex ".*.jpe?g" -exec jpegoptim --max=80 --strip-all --all-progressive {} \;

For Ubuntu,

1. Go to terminal
2. sudo apt-get install jpegoptim
3. Go to the folder containing images, which you want to optimize and run following command.
4. find . -iregex ".*.jpe?g" -exec jpegoptim --max=80 --strip-all --all-progressive {} \;

for more details please refer below links,

https://www.webmaster.net/tutorials/install-jpegoptim-in-ubuntu-or-centos-compress-your-images-losslessly-to-optimize-google-pagespeed-score.html