Sites promising “free anonymous viewers” are often filled with malicious pop-ups, forced redirects, and “download a plugin to continue” prompts. Downloading these files can infect your computer with keyloggers, adware, or ransomware.
Stay safe, and keep creating.
“To see who viewed your profile, complete one quick survey.” You will complete the survey (which generates money for the scammer), but you will never get the results. Why? Because the results don’t exist.