Howdy, this website has sample media for testing the capabilities of lesser known/older browsers.
It's meant to be super compatible with most any device (hence the design, or lack thereof) and easy
to use.
This site also has Flash/FLV content for testing console browsers (like on the Wii or PSP).
before:keyword + The Wayback Machine. Useful for finding things that might've been scrubbed from the internet.
Built using SvelteKit, FLV Player, f4player, and served with CloudFlare. Code on Github.