How to find and extract “main” image in website

Question

I need help tackling a problem. I need a program which, given a site, finds and extracts the \"main\" picture, i.e. the one which represents the site. (To say it is the bigg

Answer 1

You could use a service like embedly. Among a lot of other information they allow you to extract the main image of any page. Works particularly well for articles. You can try it here.