I always optimized images for the Web using Photoshop and some simply steps:
- dpi changed to 70
- save for the web
- jpeg with quality very high or high depending on the final weigth of the image
Publishing for websites in fields as fashion they make to me noticed how some so done images they have imperfections.
Expecially comparing them with the original ones.
What kind of process do you use to optimize images?