React网站加载缓慢且按钮跳转失效问题求助

Hey there! Let's tackle your two issues one by one to get your React site running smoothly.

1. 按钮跳转失效问题 #

Your current approach using onClick to return a <NavLink> component won't work—because returning a component in an onClick handler doesn't render it or trigger the navigation action. Here are two straightforward fixes:

方法一：用NavLink包裹Button组件 #

Instead of nesting NavLink inside the onClick, wrap the Button with NavLink directly. This way, clicking the Button will trigger the NavLink's navigation behavior:

<NavLink to="/products">
  <Button variant="outline-dark">See our Products</Button>
</NavLink>

方法二：使用useNavigate钩子 #

If you prefer to keep the Button's onClick logic, use the useNavigate hook from react-router-dom to programmatically navigate:

import React from "react"
import "./HomePage.css";
// ... other imports
import { NavLink, useNavigate } from 'react-router-dom'; // 新增useNavigate导入
import { Button } from 'react-bootstrap';

const Home = () => {
  const navigate = useNavigate(); // 初始化navigate函数

  return (
    <>
      {/* ... 其他页面内容 ... */}
      <Button 
        variant="outline-dark" 
        onClick={() => navigate("/products")} // 调用navigate跳转
      >
        See our Products
      </Button>
      {/* ... 其他按钮同理修改 ... */}
    </>
  )
}
export default Home;

Either of these methods will fix the navigation issue across all your pages—just apply the same change to your "Know More" and "Contact us!" buttons.

2. 网站加载速度慢问题 #

You've already resized images, which is a great start! Let's add more optimizations to boost load times:

• Optimize image formats: Convert your JPG/PNG images to modern formats like WebP or AVIF—they offer better compression without losing quality. Tools like Squoosh can help you do this easily.
• Implement image lazy loading: Add the native loading="lazy" attribute to your <img> tags to defer loading offscreen images until they're needed:

  <img src={homeImage1} alt="breakfast bowl" loading="lazy" />
  

• Code splitting with React.lazy: Split your app into smaller chunks so only the code needed for the current page loads initially. For example, if your Products page is a separate component:

  const Products = React.lazy(() => import('./Products'));
  
  // Then use it with Suspense in your router:
  <Suspense fallback={<div>Loading...</div>}>
    <Route path="/products" element={<Products />} />
  </Suspense>
  

• Check for unnecessary dependencies: Audit your package.json to ensure you're not including unused libraries that bloat your bundle size.
• Enable compression on GitHub Pages: GitHub Pages automatically gzips assets, but double-check that your build process is outputting compressed files. You can also use tools like gzip-cli during your build step to compress static assets.
• Use a CDN for assets: While GitHub Pages uses a CDN, make sure your images are hosted efficiently—you could also consider using a service like Cloudinary to serve optimized, cached images.

These steps should significantly improve your site's load speed and navigation experience.

内容的提问来源于stack exchange，提问作者Joana Oliveira