@leocg Thanks. Silly me. When I click the link, Opera immediately ask where to save the file. I know I can change this and it will not prompt where to save, but I did not analyse the link and the links on this website are not pointing to the images.
An example. Link text is "Screenshot 2018-07-01 16.31.26.png", and it links to https://gestao.webhs.pt/clientes/dl.php?type=ar&id=188543&i=0
My apologies. Hopefully this post will help any other members...