301 vs 302 Redirects

// Express.js redirects
app.get('/old-page', (req, res) => {
  // 301 Permanent redirect
  res.redirect(301, '/new-page');
});

app.get('/temp-page', (req, res) => {
  // 302 Temporary redirect (default)
  res.redirect('/other-page');
  // or explicitly: res.redirect(302, '/other-page');
});

// Next.js redirects (next.config.js)
module.exports = {
  async redirects() {
    return [
      {
        source: '/old-blog/:slug',
        destination: '/blog/:slug',
        permanent: true // 301
      },
      {
        source: '/temp',
        destination: '/new',
        permanent: false // 302
      }
    ]
  }
}

# Nginx configuration

# 301 Permanent redirect
location /old-page {
    return 301 /new-page;
}

# 302 Temporary redirect
location /temp-page {
    return 302 /other-page;
}

# Redirect with domain change
server {
    server_name old-domain.com;
    return 301 https://new-domain.com$request_uri;
}

# Apache .htaccess

# 301 Permanent redirect
Redirect 301 /old-page /new-page

# 302 Temporary redirect
Redirect 302 /temp-page /other-page

# Using mod_rewrite
RewriteEngine On
RewriteRule ^old-page$ /new-page [R=301,L]
RewriteRule ^temp-page$ /other-page [R=302,L]