The technical SEO issues that only appear on JavaScript-heavy sites and headless setups, and how to actually fix them.
A regular technical SEO checklist assumes a server-rendered site where the HTML Google sees is roughly the HTML a user sees. JavaScript-heavy and headless sites break that assumption, and the standard fixes for things like duplicate content, missing meta tags, or canonical issues simply do not apply the same way. This article is about the specific failure modes you see on React, Vue, Next.js, Nuxt, and headless CMS setups, and how to diagnose them when your normal audit tool gives you confusing results.
The hydration gap problem
The most common JavaScript-SEO issue is the gap between the initial HTML payload and the hydrated DOM. Your audit tool fetches the server response, sees an empty
Soft 404s on dynamic routes
On a single-page application, a route like /products/nonexistent-sku might return a 200 OK with a "product not found" component rendered client-side. Google treats this as a soft 404 — the page exists, looks empty, and gets quietly dropped from the index. The fix is to make the server return an actual 404 status code for unknown routes, even in a JavaScript framework. In Next.js this is the notFound: true return from getServerSideProps or getStaticProps. In Nuxt it is the error helper. In a fully client-side SPA, you need a server-side proxy or middleware to do this.
Meta tags rendered too late
Frameworks that update </code> and <code class="bg-gray-800 text-purple-300 px-1.5 py-0.5 rounded text-sm font-mono"><meta></code> tags client-side after navigation often get partial indexing. Google's crawler will sometimes pick up the initial server-rendered tags rather than the updated ones, leaving you with the wrong title in SERPs. The fix is to ensure meta tags are set in the server-rendered response, not added in <code class="bg-gray-800 text-purple-300 px-1.5 py-0.5 rounded text-sm font-mono">componentDidMount</code> or <code class="bg-gray-800 text-purple-300 px-1.5 py-0.5 rounded text-sm font-mono">useEffect</code>. Frameworks like Next.js handle this automatically if you use the right APIs; rolling your own SSR often gets this wrong.</p><p class="text-gray-300 leading-relaxed mb-4"><h2 class="text-2xl font-bold text-white mt-10 mb-4">Canonical URLs and the SPA routing trap</h2></p><p class="text-gray-300 leading-relaxed mb-4">Single-page apps often have multiple URL representations for the same content — query parameters for filters, hash fragments for tabs, trailing slashes that vary by route. Without canonical URLs explicitly set in the server response, Google indexes all the variants and treats them as separate pages. Set canonical tags server-side for every route and audit the canonical destination matches your intended URL.</p><p class="text-gray-300 leading-relaxed mb-4"><h2 class="text-2xl font-bold text-white mt-10 mb-4">Crawl budget waste on JavaScript fetches</h2></p><p class="text-gray-300 leading-relaxed mb-4">Googlebot has a finite budget for JavaScript execution per site. A site that depends on hundreds of API calls per page to render content will get many of those calls deferred or skipped. You can see this in Search Console's Crawl Stats — high "Other file types" volume relative to "HTML" suggests Google is spending budget on resources rather than pages. Reduce the number of distinct API endpoints per page, batch where possible, and inline critical content rather than fetching it.</p><p class="text-gray-300 leading-relaxed mb-4"><h2 class="text-2xl font-bold text-white mt-10 mb-4">Sitemap accuracy on dynamically generated content</h2></p><p class="text-gray-300 leading-relaxed mb-4">Headless CMS setups generate pages on the fly, which means your sitemap can fall out of sync with what actually exists. The fix is to generate the sitemap directly from the CMS data source — not from a crawl, not from a manual list — and regenerate it on every content publish. Most headless platforms have a hook or webhook for this.</p><p class="text-gray-300 leading-relaxed mb-4"><h2 class="text-2xl font-bold text-white mt-10 mb-4">Schema markup on hydrated content</h2></p><p class="text-gray-300 leading-relaxed mb-4">JSON-LD schema markup inside a <code class="bg-gray-800 text-purple-300 px-1.5 py-0.5 rounded text-sm font-mono"><script type="application/ld+json"></code> tag is fine. Schema markup that depends on JavaScript-rendered data is fragile — if Google reads the page before hydration, it sees empty schema. Always render schema markup server-side, even on otherwise client-rendered pages.</p><p class="text-gray-300 leading-relaxed mb-4"><h2 class="text-2xl font-bold text-white mt-10 mb-4">Testing what Google actually sees</h2></p><p class="text-gray-300 leading-relaxed mb-4">The single most useful tool is the Mobile-Friendly Test or the URL Inspection tool in Search Console, both of which show you the rendered HTML Google sees. If the rendered HTML is missing your content, that is your problem. A <a href="https://utilityseo.com/" class="text-purple-400 hover:text-purple-300 underline" target="_blank" rel="noopener">proper site audit</a> tool with JavaScript rendering enabled will catch this systematically.</p><p class="text-gray-300 leading-relaxed mb-4">JavaScript SEO is mostly about closing the gap between what you ship and what Google sees. Once you have a workflow for verifying that, the specific framework rarely matters. <a href="https://utilityseo.com/pricing" class="text-purple-400 hover:text-purple-300 underline" target="_blank" rel="noopener">UtilitySEO</a> and similar tools all support JS-rendered crawling — use it on JavaScript-heavy projects and the standard audit becomes useful again.</p>
</div><section class="mt-16 pt-10 border-t border-gray-800"><h2 class="text-2xl md:text-3xl font-bold text-white mb-8">Frequently asked questions</h2><div class="space-y-4"><details class="group rounded-2xl border border-gray-800 bg-gray-900/50 px-5 py-4 open:border-purple-500/40 open:bg-gray-900/70 transition-colors"><summary class="flex items-center justify-between cursor-pointer text-white font-semibold text-base md:text-lg list-none"><span>How do I fix content not appearing in initial HTML on JavaScript sites?</span><svg class="w-5 h-5 text-gray-500 group-open:rotate-180 transition-transform flex-shrink-0 ml-3" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"></path></svg></summary><div class="mt-3 text-gray-300 leading-relaxed faq-answer"><p class="mb-3 last:mb-0">To address the hydration gap where content is missing in the initial HTML payload of JavaScript-heavy sites, implement Technical SEO Fixes that ensure your audit tools can render JavaScript.</p><ul class="list-disc ml-5 mb-3 last:mb-0 space-y-1.5 marker:text-purple-400"><li>Verify your audit tool (like Lighthouse) enables JavaScript rendering.</li><li>Consider server-side rendering (SSR) or static generation for key pages.</li><li>This ensures Googlebot sees fully hydrated content quickly.</li></ul></div></details><details class="group rounded-2xl border border-gray-800 bg-gray-900/50 px-5 py-4 open:border-purple-500/40 open:bg-gray-900/70 transition-colors"><summary class="flex items-center justify-between cursor-pointer text-white font-semibold text-base md:text-lg list-none"><span>Why is my JavaScript site getting soft 404 errors for missing pages?</span><svg class="w-5 h-5 text-gray-500 group-open:rotate-180 transition-transform flex-shrink-0 ml-3" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"></path></svg></summary><div class="mt-3 text-gray-300 leading-relaxed faq-answer"><p class="mb-3 last:mb-0">Your JavaScript site might be receiving soft 404 errors because dynamic routes return a 200 OK status for non-existent pages, requiring specific Technical SEO Fixes.</p><ul class="list-disc ml-5 mb-3 last:mb-0 space-y-1.5 marker:text-purple-400"><li>Ensure the server returns a true 404 HTTP status code for unknown routes.</li><li>Utilize framework-specific helpers like `notFound: true` in Next.js.</li><li>For client-side SPAs, use a server-side proxy or middleware.</li></ul></div></details><details class="group rounded-2xl border border-gray-800 bg-gray-900/50 px-5 py-4 open:border-purple-500/40 open:bg-gray-900/70 transition-colors"><summary class="flex items-center justify-between cursor-pointer text-white font-semibold text-base md:text-lg list-none"><span>How can I ensure Google indexes the correct meta tags on my JavaScript site?</span><svg class="w-5 h-5 text-gray-500 group-open:rotate-180 transition-transform flex-shrink-0 ml-3" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"></path></svg></summary><div class="mt-3 text-gray-300 leading-relaxed faq-answer"><p class="mb-3 last:mb-0">To ensure Google indexes the correct meta tags on your JavaScript-heavy site, apply Technical SEO Fixes by setting them in the server-rendered response, not client-side.</p><ul class="list-disc ml-5 mb-3 last:mb-0 space-y-1.5 marker:text-purple-400"><li>Avoid adding meta tags in `componentDidMount` or `useEffect`.</li><li>Use framework APIs designed for server-side meta tag management.</li><li>This prevents Google from picking up initial, incorrect server-rendered tags.</li></ul></div></details><details class="group rounded-2xl border border-gray-800 bg-gray-900/50 px-5 py-4 open:border-purple-500/40 open:bg-gray-900/70 transition-colors"><summary class="flex items-center justify-between cursor-pointer text-white font-semibold text-base md:text-lg list-none"><span>What is the best way to handle canonical URLs on a single-page application?</span><svg class="w-5 h-5 text-gray-500 group-open:rotate-180 transition-transform flex-shrink-0 ml-3" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"></path></svg></summary><div class="mt-3 text-gray-300 leading-relaxed faq-answer"><p class="mb-3 last:mb-0">The best way to handle canonical URLs on a single-page application is to implement Technical SEO Fixes by explicitly setting canonical tags server-side for every route.</p><ul class="list-disc ml-5 mb-3 last:mb-0 space-y-1.5 marker:text-purple-400"><li>Prevent Google from indexing multiple URL variants for the same content.</li><li>Set canonical tags in the initial server response.</li><li>Audit that the canonical destination matches your intended URL.</li></ul></div></details><details class="group rounded-2xl border border-gray-800 bg-gray-900/50 px-5 py-4 open:border-purple-500/40 open:bg-gray-900/70 transition-colors"><summary class="flex items-center justify-between cursor-pointer text-white font-semibold text-base md:text-lg list-none"><span>How do JavaScript fetches impact Googlebot's crawl budget?</span><svg class="w-5 h-5 text-gray-500 group-open:rotate-180 transition-transform flex-shrink-0 ml-3" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"></path></svg></summary><div class="mt-3 text-gray-300 leading-relaxed faq-answer"><p class="mb-3 last:mb-0">Excessive JavaScript fetches can significantly impact Googlebot's crawl budget, as it has a finite allowance for script execution, necessitating specific Technical SEO Fixes.</p><ul class="list-disc ml-5 mb-3 last:mb-0 space-y-1.5 marker:text-purple-400"><li>Many API calls per page can lead to deferred or skipped rendering.</li><li>Monitor "Other file types" volume in Search Console's Crawl Stats.</li><li>Optimize content delivery to reduce reliance on numerous client-side fetches.</li></ul></div></details></div></section><script type="application/ld+json">{"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"How do I fix content not appearing in initial HTML on JavaScript sites?","acceptedAnswer":{"@type":"Answer","text":"To address the hydration gap where content is missing in the initial HTML payload of JavaScript-heavy sites, implement Technical SEO Fixes that ensure your audit tools can render JavaScript.\n- Verify your audit tool (like Lighthouse) enables JavaScript rendering.\n- Consider server-side rendering (SSR) or static generation for key pages.\n- This ensures Googlebot sees fully hydrated content quickly."}},{"@type":"Question","name":"Why is my JavaScript site getting soft 404 errors for missing 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delivery to reduce reliance on numerous client-side fetches."}}]}</script><div class="mt-16 pt-10 border-t border-gray-800"><div class="bg-gray-900 rounded-2xl p-8 text-center border border-gray-800"><h3 class="text-xl font-bold text-white mb-2">Ready to improve your SEO?</h3><p class="text-gray-400 mb-6">Get started with UtilitySEO free — no credit card required.</p><a href="https://app.utilityseo.com" class="inline-block bg-purple-600 hover:bg-purple-700 text-white font-semibold px-8 py-3 rounded-xl transition-colors">Get Started Free</a></div></div></div></main><!--$--><!--/$--><footer class="bg-black/80 backdrop-blur-sm text-white border-t border-gray-800 px-6 py-16 relative z-10"><div class="max-w-6xl mx-auto grid grid-cols-1 md:grid-cols-4 gap-12"><div><p class="text-white font-bold text-xl mb-3">UtilitySEO</p><p class="text-gray-400 text-sm leading-relaxed">Real-time SEO scores, actionable insights, and keyword tracking in one place. 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JavaScript-heavy and headless sites break that assumption, and the standard fixes for things like duplicate content, missing meta tags, or canonical issues simply do not apply the same way. This article is about the specific failure modes you see on React, Vue, Next.js, Nuxt, and headless CMS setups, and how to diagnose them when your normal audit tool gives you confusing results.\u003c/p\u003e\u003cp class=\"text-gray-300 leading-relaxed mb-4\"\u003e\u003ch2 class=\"text-2xl font-bold text-white mt-10 mb-4\"\u003eThe hydration gap problem\u003c/h2\u003e\u003c/p\u003e\u003cp class=\"text-gray-300 leading-relaxed mb-4\"\u003eThe most common JavaScript-SEO issue is the gap between the initial HTML payload and the hydrated DOM. Your audit tool fetches the server response, sees an empty \u003ccode class=\"bg-gray-800 text-purple-300 px-1.5 py-0.5 rounded text-sm font-mono\"\u003e\u003cbody\u003e\u003c/code\u003e, and reports the page as missing all content. Meanwhile users — and Googlebot, eventually — see fully hydrated content. The fix is either to verify that your audit tool can run JavaScript (Lighthouse, Screaming Frog with JS rendering enabled, and a few others can), or to switch to server-side rendering or static generation for the pages that matter for SEO.\u003c/p\u003e\u003cp class=\"text-gray-300 leading-relaxed mb-4\"\u003e\u003ch2 class=\"text-2xl font-bold text-white mt-10 mb-4\"\u003eSoft 404s on dynamic routes\u003c/h2\u003e\u003c/p\u003e\u003cp class=\"text-gray-300 leading-relaxed mb-4\"\u003eOn a single-page application, a route like \u003ccode class=\"bg-gray-800 text-purple-300 px-1.5 py-0.5 rounded text-sm font-mono\"\u003e/products/nonexistent-sku\u003c/code\u003e might return a 200 OK with a \"product not found\" component rendered client-side. Google treats this as a soft 404 — the page exists, looks empty, and gets quietly dropped from the index. The fix is to make the server return an actual 404 status code for unknown routes, even in a JavaScript framework. In Next.js this is the \u003ccode class=\"bg-gray-800 text-purple-300 px-1.5 py-0.5 rounded text-sm font-mono\"\u003enotFound: true\u003c/code\u003e return from \u003ccode class=\"bg-gray-800 text-purple-300 px-1.5 py-0.5 rounded text-sm font-mono\"\u003egetServerSideProps\u003c/code\u003e or \u003ccode class=\"bg-gray-800 text-purple-300 px-1.5 py-0.5 rounded text-sm font-mono\"\u003egetStaticProps\u003c/code\u003e. In Nuxt it is the \u003ccode class=\"bg-gray-800 text-purple-300 px-1.5 py-0.5 rounded text-sm font-mono\"\u003eerror\u003c/code\u003e helper. In a fully client-side SPA, you need a server-side proxy or middleware to do this.\u003c/p\u003e\u003cp class=\"text-gray-300 leading-relaxed mb-4\"\u003e\u003ch2 class=\"text-2xl font-bold text-white mt-10 mb-4\"\u003eMeta tags rendered too late\u003c/h2\u003e\u003c/p\u003e\u003cp class=\"text-gray-300 leading-relaxed mb-4\"\u003eFrameworks that update \u003ccode class=\"bg-gray-800 text-purple-300 px-1.5 py-0.5 rounded text-sm font-mono\"\u003e\u003ctitle\u003e\u003c/code\u003e and \u003ccode class=\"bg-gray-800 text-purple-300 px-1.5 py-0.5 rounded text-sm font-mono\"\u003e\u003cmeta\u003e\u003c/code\u003e tags client-side after navigation often get partial indexing. Google's crawler will sometimes pick up the initial server-rendered tags rather than the updated ones, leaving you with the wrong title in SERPs. The fix is to ensure meta tags are set in the server-rendered response, not added in \u003ccode class=\"bg-gray-800 text-purple-300 px-1.5 py-0.5 rounded text-sm font-mono\"\u003ecomponentDidMount\u003c/code\u003e or \u003ccode class=\"bg-gray-800 text-purple-300 px-1.5 py-0.5 rounded text-sm font-mono\"\u003euseEffect\u003c/code\u003e. Frameworks like Next.js handle this automatically if you use the right APIs; rolling your own SSR often gets this wrong.\u003c/p\u003e\u003cp class=\"text-gray-300 leading-relaxed mb-4\"\u003e\u003ch2 class=\"text-2xl font-bold text-white mt-10 mb-4\"\u003eCanonical URLs and the SPA routing trap\u003c/h2\u003e\u003c/p\u003e\u003cp class=\"text-gray-300 leading-relaxed mb-4\"\u003eSingle-page apps often have multiple URL representations for the same content — query parameters for filters, hash fragments for tabs, trailing slashes that vary by route. Without canonical URLs explicitly set in the server response, Google indexes all the variants and treats them as separate pages. Set canonical tags server-side for every route and audit the canonical destination matches your intended URL.\u003c/p\u003e\u003cp class=\"text-gray-300 leading-relaxed mb-4\"\u003e\u003ch2 class=\"text-2xl font-bold text-white mt-10 mb-4\"\u003eCrawl budget waste on JavaScript fetches\u003c/h2\u003e\u003c/p\u003e\u003cp class=\"text-gray-300 leading-relaxed mb-4\"\u003eGooglebot has a finite budget for JavaScript execution per site. A site that depends on hundreds of API calls per page to render content will get many of those calls deferred or skipped. You can see this in Search Console's Crawl Stats — high \"Other file types\" volume relative to \"HTML\" suggests Google is spending budget on resources rather than pages. Reduce the number of distinct API endpoints per page, batch where possible, and inline critical content rather than fetching it.\u003c/p\u003e\u003cp class=\"text-gray-300 leading-relaxed mb-4\"\u003e\u003ch2 class=\"text-2xl font-bold text-white mt-10 mb-4\"\u003eSitemap accuracy on dynamically generated content\u003c/h2\u003e\u003c/p\u003e\u003cp class=\"text-gray-300 leading-relaxed mb-4\"\u003eHeadless CMS setups generate pages on the fly, which means your sitemap can fall out of sync with what actually exists. The fix is to generate the sitemap directly from the CMS data source — not from a crawl, not from a manual list — and regenerate it on every content publish. Most headless platforms have a hook or webhook for this.\u003c/p\u003e\u003cp class=\"text-gray-300 leading-relaxed mb-4\"\u003e\u003ch2 class=\"text-2xl font-bold text-white mt-10 mb-4\"\u003eSchema markup on hydrated content\u003c/h2\u003e\u003c/p\u003e\u003cp class=\"text-gray-300 leading-relaxed mb-4\"\u003eJSON-LD schema markup inside a \u003ccode class=\"bg-gray-800 text-purple-300 px-1.5 py-0.5 rounded text-sm font-mono\"\u003e\u003cscript type=\"application/ld+json\"\u003e\u003c/code\u003e tag is fine. Schema markup that depends on JavaScript-rendered data is fragile — if Google reads the page before hydration, it sees empty schema. Always render schema markup server-side, even on otherwise client-rendered pages.\u003c/p\u003e\u003cp class=\"text-gray-300 leading-relaxed mb-4\"\u003e\u003ch2 class=\"text-2xl font-bold text-white mt-10 mb-4\"\u003eTesting what Google actually sees\u003c/h2\u003e\u003c/p\u003e\u003cp class=\"text-gray-300 leading-relaxed mb-4\"\u003eThe single most useful tool is the Mobile-Friendly Test or the URL Inspection tool in Search Console, both of which show you the rendered HTML Google sees. If the rendered HTML is missing your content, that is your problem. A \u003ca href=\"https://utilityseo.com/\" class=\"text-purple-400 hover:text-purple-300 underline\" target=\"_blank\" rel=\"noopener\"\u003eproper site audit\u003c/a\u003e tool with JavaScript rendering enabled will catch this systematically.\u003c/p\u003e\u003cp class=\"text-gray-300 leading-relaxed mb-4\"\u003eJavaScript SEO is mostly about closing the gap between what you ship and what Google sees. Once you have a workflow for verifying that, the specific framework rarely matters. \u003ca href=\"https://utilityseo.com/pricing\" class=\"text-purple-400 hover:text-purple-300 underline\" target=\"_blank\" rel=\"noopener\"\u003eUtilitySEO\u003c/a\u003e and similar tools all support JS-rendered crawling — use it on JavaScript-heavy projects and the standard audit becomes useful again.\u003c/p\u003e\n"])</script><script>self.__next_f.push([1,"5:[\"$\",\"main\",null,{\"className\":\"min-h-screen bg-black text-white\",\"children\":[\"$\",\"div\",null,{\"className\":\"max-w-3xl mx-auto px-6 pt-24 pb-24\",\"children\":[[\"$\",\"$L16\",null,{\"href\":\"/blog\",\"className\":\"inline-flex items-center gap-2 text-gray-400 hover:text-white text-sm mb-10 transition-colors\",\"children\":[[\"$\",\"svg\",null,{\"className\":\"w-4 h-4\",\"fill\":\"none\",\"viewBox\":\"0 0 24 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aspect-video\",\"children\":[\"$\",\"img\",null,{\"src\":\"https://utilityseo-cms-production.up.railway.app/uploads/how_to_fix_technical_seo_issues_complete_guide_1_2aae69eec7.webp\",\"alt\":\"Technical SEO Fixes for JavaScript-Heavy and Headless Sites\",\"className\":\"w-full h-full object-cover\"}]}],[\"$\",\"p\",null,{\"className\":\"text-xl text-gray-300 leading-relaxed mb-8 font-light border-l-4 border-purple-600 pl-6\",\"children\":\"The technical SEO issues that only appear on JavaScript-heavy sites and headless setups, and how to actually fix them.\"}],[\"$\",\"div\",null,{\"className\":\"prose-content text-gray-300 leading-relaxed\",\"dangerouslySetInnerHTML\":{\"__html\":\"$18\"}}],\"$L19\",\"$L1a\"]}]}]\n"])</script><script>self.__next_f.push([1,"19:[[\"$\",\"section\",null,{\"className\":\"mt-16 pt-10 border-t border-gray-800\",\"children\":[[\"$\",\"h2\",null,{\"className\":\"text-2xl md:text-3xl font-bold text-white mb-8\",\"children\":\"Frequently asked 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faq-answer\",\"children\":[[\"$\",\"p\",\"0\",{\"className\":\"mb-3 last:mb-0\",\"children\":\"To address the hydration gap where content is missing in the initial HTML payload of JavaScript-heavy sites, implement Technical SEO Fixes that ensure your audit tools can render JavaScript.\"}],[\"$\",\"ul\",\"1\",{\"className\":\"list-disc ml-5 mb-3 last:mb-0 space-y-1.5 marker:text-purple-400\",\"children\":[[\"$\",\"li\",\"0\",{\"children\":\"Verify your audit tool (like Lighthouse) enables JavaScript rendering.\"}],[\"$\",\"li\",\"1\",{\"children\":\"Consider server-side rendering (SSR) or static generation for key pages.\"}],[\"$\",\"li\",\"2\",{\"children\":\"This ensures Googlebot sees fully hydrated content quickly.\"}]]}]]}]]}],[\"$\",\"details\",\"1\",{\"className\":\"group rounded-2xl border border-gray-800 bg-gray-900/50 px-5 py-4 open:border-purple-500/40 open:bg-gray-900/70 transition-colors\",\"children\":[[\"$\",\"summary\",null,{\"className\":\"flex items-center justify-between cursor-pointer text-white font-semibold text-base md:text-lg list-none\",\"children\":[[\"$\",\"span\",null,{\"children\":\"Why is my JavaScript site getting soft 404 errors for missing pages?\"}],[\"$\",\"svg\",null,{\"className\":\"w-5 h-5 text-gray-500 group-open:rotate-180 transition-transform flex-shrink-0 ml-3\",\"fill\":\"none\",\"viewBox\":\"0 0 24 24\",\"stroke\":\"currentColor\",\"children\":[\"$\",\"path\",null,{\"strokeLinecap\":\"round\",\"strokeLinejoin\":\"round\",\"strokeWidth\":2,\"d\":\"M19 9l-7 7-7-7\"}]}]]}],[\"$\",\"div\",null,{\"className\":\"mt-3 text-gray-300 leading-relaxed faq-answer\",\"children\":[[\"$\",\"p\",\"0\",{\"className\":\"mb-3 last:mb-0\",\"children\":\"Your JavaScript site might be receiving soft 404 errors because dynamic routes return a 200 OK status for non-existent pages, requiring specific Technical SEO Fixes.\"}],[\"$\",\"ul\",\"1\",{\"className\":\"list-disc ml-5 mb-3 last:mb-0 space-y-1.5 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