Using an animated GIF in a WordPress post/page or as the featured image of a post/page might be a problem.
How often have you tried uploading an animated GIF to your WordPress blog just to see that it doesn't show the animation? Shouldn't this issue.
This plugin finds every GIF animation in your posts and replace it to a preview Posts show the pregenareted small size jpeg file first, your visitors don't need to.
Porter Robinson & Madeon - Shelter (Official Video) (Short Film with A-1 Pictures & Crunchyroll)
Show featured gif animations. - Wife
You have to edit the php files. Maybe you use an animated GIF to illustrate how a product works, as is the case with this animal trap below. Images that are added to pages by backend users and administrators alike are automatically run through the plugin upon upload. Designed specifically for the web, GIF files are typically small in size, making them perfect for adding a touch of movement to a post. There are two solutions. The Auto Animate Image plugin allows users to embed animations created from a series of separate files, instead of a standard animated GIF.