Effortless responsive images

Retina Revolution - Compressive Images

Picture HTML attributes

Choosing A Responsive Image Solution

This just a magazine article with general observation. At the moment (autumn 2014) - there is no perfect solution of this problem...

Image Optimization, Part 4: Progressive JPEG…Hot or Not?

Save jpeg image as progressive JPEG:

using (Image source = Image.FromFile(@"C:\temp\test.jpg")) {
    ImageCodecInfo codec = ImageCodecInfo.GetImageEncoders().First(c => c.MimeType == "image/jpeg");
    EncoderParameters parameters = new EncoderParameters(3);
    parameters.Param[0] = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 100L);
    parameters.Param[1] = new EncoderParameter(System.Drawing.Imaging.Encoder.ScanMethod, (int)EncoderValue.ScanMethodInterlaced);
    parameters.Param[2] = new EncoderParameter(System.Drawing.Imaging.Encoder.RenderMethod, (int)EncoderValue.RenderProgressive);
    source.Save(@"C:\temp\savedAsProgressive.jpg", codec, parameters);
}

FreeImage Plugins

For generating progressive JPEG files, please use the next settings in the URL:

encoder=freeimage&builder=freeimage

More information on progressive settings

Some additional information