This is my Gulp task: //Image Optimization gulp.task( 'imagemin', function () { return gulp.src( imageDir + '**/*.{png,jpg,JPG,svg}' ) .pipe( imagemin( { progressive: true, use: [ pngquant({q...

I found two slightly conflicting blog posts on this matter, here I summarize: jpegoptim and jpegtran perform identically and produce identical results, while mozjpeg takes twice as long for very ...

I had all of the images on my site optimized perfect according to Google PageSpeed Insights for the last year+. Google PageSpeed Insights can be found here: https://developers.google.com/spee...

I suspect I'm failing to understand where jpegoptim tries to write its temp files. I have IIS 7.5 running an ASP.Net 4 AppDomain. In it I have a process that optimizes JPEGs with jpegoptim like so...