FrontendHaltCSS·Intermediate·Conceptual·1 min read
What is a risk of using will-change too broadly?
Short interview answer
Promoting many elements to their own compositor layer consumes GPU memory and can paradoxically slow things down; it should be applied narrowly, close to when the animation starts, and removed afterward.
Key takeaway
Explain the underlying mental model clearly, then support it with a concrete example and its trade-offs.