Image support has been present in numerous terminal-mode browsers for many years if not decades, generally implemented through the framebuffer, though in some cases the browser will spawn an external image viewer (presuming a graphical environment, e.g., Xorg / Wayland).
Using Sixel graphics.
https://en.wikipedia.org/wiki/Sixel
https://www.arewesixelyet.com/
(and also kitty protocol)
Image support has been present in numerous terminal-mode browsers for many years if not decades, generally implemented through the framebuffer, though in some cases the browser will spawn an external image viewer (presuming a graphical environment, e.g., Xorg / Wayland).