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diff --git a/docusaurus/src/theme/NotFound/Redirection.tsx b/docusaurus/src/theme/NotFound/Redirection.tsx
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+++ b/docusaurus/src/theme/NotFound/Redirection.tsx
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+/* SPDX-License-Identifier: AGPL-3.0-or-later */
+
+import React from "react";
+import typescriptNever from "../../functions/typescriptNever";
+
+export default (): React.JSX.Element => {
+  React.useEffect((): void => {
+    const pathname = window.location.pathname;
+
+    const isExample = pathname.includes("/example");
+
+    if (isExample === true) {
+      const topic = "topic " + pathname.split("/").pop().replace(/-/g, " ");
+      const url = new URL("/input/", window.location.href);
+      url.searchParams.set("i", topic);
+      window.location.replace(url);
+    } else if (isExample === false) {
+      window.location.replace("/");
+    } else {
+      window.location.replace("/");
+      typescriptNever(isExample);
+    }
+  }, []); // Empty dependency array means the effect runs only once after initial render.
+
+  return <></>;
+};
+
+/*
+ * test case:
+ *
+ *   - Passing
+ *     - elementary-math
+ *       - Goal: https://www.wolframalpha.com/examples/mathematics/elementary-math
+ *       - Doesn't work: http://localhost/input?i=elementary+math
+ *       - Does work: http://localhost/input?i=topic+elementary+math
+ *     - common-core-math-functions
+ *       - Goal: https://wc.wolframalpha.com/examples/mathematics/common-core-math/common-core-math-functions
+ *       - Doesn't work: http://localhost/input?i=common+core+math+functions
+ *       - Does work: http://localhost/input?i=topic+common+core+math+functions
+ *
+ *   - Failing
+ *     - continuity
+ *       - Goal: https://www.wolframalpha.com/examples/mathematics/calculus-and-analysis/continuity
+ *       - Does not work: http://localhost/input?i=topic+continuity
+ *       - Does work: (not found yet)
+ *     - neuroscience
+ *       - Goal: https://www.wolframalpha.com/examples/science-and-technology/life-sciences/neuroscience
+ *       - Does not work: http://localhost/input?i=topic+neuroscience
+ *       - Does work: (not found yet)
+ *     - molecular-biology
+ *       - Goal: https://wc.wolframalpha.com/examples/science-and-technology/life-sciences/molecular-biology
+ *       - Does not work: http://localhost/input?i=topic+molecular+biology
+ *       - Does work: (not found yet)
+ *     - personal-finance
+ *       - Goal: https://www.wolframalpha.com/examples/everyday-life/personal-finance
+ *       - Does not work: http://localhost/input?i=topic+personal+finance
+ *       - Does work: (not found yet)
+ *
+ */