These are "release group" or site tags. They act like a signature, telling the community which group encoded the file or which site (like the well-known 1337x) first hosted it. 4. The Risks of "Shopping" Here
Despite the "720p" tag, files can often be poorly compressed, leading to "ghosting" or audio-sync issues that you wouldn't find on the official Prime Video app. These are "release group" or site tags
Files labeled this way are often used as bait. Clicking on "Shop" links on pirate mirrors frequently triggers malware, phishing attempts, or intrusive "adware" that can infect your device. files can often be poorly compressed