GIFV is an alternative to the animated GIF format for presenting animated images on a web page. It is not a unique file format, but rather an approach to serving video files using the HTML
When you view a GIFV file on a website such as Imgur, you are actually viewing a video file, which would normally have the file extension .mp4 or .webm. The server is configured to serve the video using the extension “.gifv,” but the video’s file format is unchanged.
Advantages of using GIFV
Advantages of using video instead of a traditional animated GIF include:
Examples
Here’s an example of an animation presented as an animated GIF (on the left) and an H.264 video (on the right):
How to play a GIFV
The easiest way to play a GIFV file is to open the file in your browser. If you’re using a modern browser, it automatically plays the file, as shown above.
Animated GIF, Internet terms, Video, Video terms