Making it possible for both older and newer browsers to render your layout is often referred to as cross-platform support.

Question

Quizplus · Accepted Answer

The term for making it possible for both older and newer browsers to render your layout is often referred to as "cross-browser compatibility," not cross-platform support. Cross-platform support refers to software that works on multiple operating systems (e.g., Windows, macOS, Linux).

Making It Possible for Both Older and Newer Browsers to Render