Do I need to check for SVG format support in the browser?

Question

Browsers

How relevant is it to provide for situations when the browser does not support SVG? Are there other browsers that should serve normal bitmaps instead of SVG?
How can I disable SVG support in a browser (Mozilla, Chrome, Opera, etc.) in order to test scripts in browser mode without SVG support?

Answer 1

caniuse.com/#search=svg

Answer 2

See what you need.
If a simple picture that uses only the most basic features, then you can score (but it's better to still give a fallback to png, it's not so difficult).
But there are certain things in SVG that are not universally supported (for example: filters, smil animation).