Add images with <img>, video and audio with <video> and <audio>. Always use alt text for images and width/height to avoid layout shift.
<!-- Image: self-closing, always add alt -->
<img src="coffee.jpg" alt="Fresh cup of coffee" width="400" height="300">
<!-- Video with fallback -->
<video controls width="640">
<source src="brew.mp4" type="video/mp4">
Your browser doesn't support video.
</video>Alt text improves accessibility and SEO. Describe what the image shows.
Set width and height to prevent layout shift while the image loads.