ref(replay): clarify web & mobile distinction in product docs (#13447)

* ref(replay): clarify web & mobile distinction in product docs

* fix link

* rm sdk prereq

Author: michellewzhang

docs/product/explore/session-replay/index.mdx

@@ -4,9 +4,13 @@ sidebar_order: 70
 description: "Use Session Replay to get reproductions of user sessions to improve your app experience."
 ---
 
-Sentry has Session Replay for both Web and Mobile. Both are generally available and stable.
+Sentry supports Session Replay for Web and Mobile. This includes browser-based applications and certain native mobile platforms, such as Android, iOS, and React Native. Both versions of Replay (Web and Mobile) are generally available and stable.
 
-Learn more here:
+For browser-based applications (Web replay), this includes static websites, single-page applications, and also server-side rendered applications -- for example, platforms such as Electron, Next.js, and Remix.
+
+To learn more about which SDKs we support, please visit our docs for [Web](web/getting-started/#supported-sdks) and [Mobile](mobile/#sdks-supported).
+
+Learn more about Session Replay:
 
 * [Session Replay for Web](web/)
 * [Session Replay for Mobile](mobile/)