To confirm that you are a human, most websites will ask you to press and hold a button or key on your keyboard for a few seconds. This simple test is designed to prevent automated programs (bots) from accessing the site. The verification process typically involves a random reference ID displayed on the screen. By providing this ID, you can confirm that you are indeed a human user and not a bot.
Source: https://www.ctinsider.com/sports/uconn-womens-basketball/article/huskies-diana-taurasi-maya-moore-breanna-stewart-20261556.php