The filename follows the naming convention used by Twitter (X) for its video content delivery network (CDN) .
: This specific alphanumeric format (20 characters followed by a resolution tag) is characteristic of videos uploaded to and hosted on Twitter/X .
: The _720p suffix indicates the video's vertical resolution is 720 pixels, commonly referred to as "HD" (High Definition). This is often the highest or second-highest quality tier available for mobile uploads on the platform.
: The .mp4 extension confirms it is a standard MPEG-4 video file, the most widely compatible format for web and mobile playback. How to identify the content