Use SSR or static generation for critical content. Audit client-side rendered elements. Check for hydration issues.
The quickest test: View Source (Ctrl+U) shows what Google initially receives. If your key content is missing from View Source but visible in Inspect Element, Google needs a second pass to render it — and that second pass may never happen for less important pages.
Client-side rendered internal links are a silent SEO killer. If your navigation uses onClick handlers instead of real <a href> tags, Google cannot discover linked pages through crawling.
Right-click your page > View Page Source (this is what bots initially receive). Then right-click > Inspect Element (this is the rendered DOM). Compare: is your main content, headings, and links visible in both? If content is only in Inspect, it requires JavaScript rendering.
In Search Console, enter a URL in the top bar. Click "Test Live URL" > "View Tested Page". Compare the "HTML" tab (raw HTML) with the "Screenshot" (rendered version). Look for missing content, broken layouts, or JavaScript errors in the "More Info" tab.
Disable JavaScript in Chrome: DevTools > Settings > Debugger > check "Disable JavaScript". Reload your page. If the main content, headings, and navigation disappear, you have a JavaScript SEO problem that needs SSR or pre-rendering.
For Next.js: use getServerSideProps (SSR) or getStaticProps (SSG) for pages that need to rank. For Nuxt: enable SSR mode. For React SPAs: consider pre-rendering with react-snap or migrating to Next.js for SEO-critical routes.
In Chrome: Settings > Privacy and Security > Site Settings > JavaScript > toggle off. Visit your key pages. All main content, navigation links, and metadata should be present. Re-enable JS when done testing.
My website uses [FRAMEWORK: React/Vue/Angular/Next.js/Nuxt] with [CSR/SSR/SSG]. Help me audit and fix JavaScript SEO issues: 1. Which content should be server-rendered vs client-rendered? 2. How to implement dynamic rendering for search engine bots if needed 3. How to check if Googlebot can see all my content (URL Inspection comparison) 4. Common hydration issues that affect Core Web Vitals 5. Structured data injection approach for JS frameworks 6. Internal link rendering — are my links real <a> tags or JS click handlers?
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