What is use of poster attribute in the HTML video Tag?

The “poster” attribute in <video> Tags are used to specify an image that represents the video content before the video is played or while the video is loading. This attribute allows developers to display a custom poster image, such as a thumbnail or a promotional image, to provide a visual preview or context for the video content.

Syntax

<video src="video.mp4" poster="poster_image.jpg"></video>

Where,

• "video.mp4" is the URL of the video file.
• "poster_image.jpg" is the URL of the poster image file.

Key Points of Video Tag

Key Point	Description
Visual Preview	The “poster” attribute allows developers to display a custom image as a visual preview or placeholder for the video content.
Contextual Information	The poster image provides context or information about the video content, such as a scene from the video or promotional artwork.
User Experience	A visually appealing and informative poster image can enhance the user experience by attracting attention and encouraging interaction with the video element.

Features

• Customization: Choose a poster image that provides relevant context or visual appeal for the video content, such as a scene from the video, promotional artwork, or a custom thumbnail.
• Enhanced User Experience: A well-chosen poster image can attract users’ attention, encourage engagement with the video element, and provide valuable context or information about the video content.
• Accessibility: Ensure that the poster image is descriptive and relevant, providing information about the video content to users who may not be able to view the video directly, such as users with disabilities or slower internet connections.