But it's fine in the default Sixel?
"Show HN: Browsh – A modern, text-based browser" (2018) https://news.ycombinator.com/item?id=17487552
browsh-org/browsh: A fully-modern text-based browser, rendering to TTY and browsers https://github.com/browsh-org/browsh
"Forking Chrome to render in a terminal" (2023) https://news.ycombinator.com/item?id=34547259
fathyb/carbonyl: Chromium running inside your terminal https://github.com/fathyb/carbonyl
chawan: TUI Web Browser https://sr.ht/~bptato/chawan/
Ladybird browser may be easier to build a TUI terminal user interface for than other brothers because of Lagom FWIU (LibWeb and LibJs are already decoupled from the UI and rendering)
What happens if you run it in a TTY ? Does it fail to render anything?