Server-rendered HTML that crawlers see immediately.
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How does Next.js handle SEO compared to a client-rendered SPA?
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nextjsseossrspa
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Because Next.js renders HTML on the server (SSR/SSG), crawlers get fully-formed content and metadata on first request — unlike a client-rendered SPA where bots may see an empty shell until JS runs. Plus the Metadata API, sitemaps, and fast loads boost SEO.
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What a crawler receives
# SPA (CSR): first response is basically empty
<body><div id="root"></div><script src="/bundle.js"></script></body>
# Next.js (SSR/SSG): first response has real content + metadata
<head><title>My Post | Site</title><meta property="og:title" ...></head>
<body><article><h1>My Post</h1><p>Full text here…</p></article></body>05
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Dossier 66 of 95 decoded in the Next.js track. One more won't hurt.