React — Router, данные с API и оптимизация — React Router (v6)

import { BrowserRouter, Routes, Route, Link } from 'react-router-dom';

function App() {
  return (
    <BrowserRouter>
      <nav>
        <Link to="/">Главная</Link>
        <Link to="/notes">Заметки</Link>
      </nav>
      <Routes>
        <Route path="/" element={<Home />} />
        <Route path="/notes" element={<Notes />} />
        <Route path="*" element={<NotFound />} />
      </Routes>
    </BrowserRouter>
  );
}