Firefox v82 here and mine worked...except there were long wait times between images.
Thank you for your interest and taking the time. Did you select a gender and age group? If one of those selections is not selected, you will be taken back to the landing page. Could this maybe cause the problem?
Thank you for your support!
Yes, but you should change the website to block before the survey starts, instead of just being broken.
Also, your data set is likely to be overwhelmed by foods and trolls.