What could be causing the issue of a custom js code not displaying properly on Google indexed pages for a Webflow landing page? Is it possible that there is a bug in the code?

If your custom JavaScript is not displaying or executing properly on Google-indexed versions of your Webflow landing page, it’s likely due to how Googlebot renders JavaScript, page load behavior, or potential code issues.

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1. JavaScript Rendering by Googlebot

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• Googlebot may not fully execute JavaScript if it's rendered asynchronously, or depends on user interaction, like scrolling or clicking.
• Custom scripts can be excluded if Googlebot times out before JS loads or completes execution.
• Check if your script uses document.write(), which Googlebot may block entirely.

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2. Incorrect Script Placement

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• If your JavaScript is placed incorrectly (e.g., wrong page settings or code embed location), it might not load.
• Use the correct embed location, typically:
• Site-wide scripts: Go to Project Settings → Custom Code, and insert before </body>.
• Page-specific scripts: Open the page in Designer → Page Settings → Custom Code, in the Before </body> field.

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3. Loading Order & Dependencies

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• If your custom script relies on DOM elements not yet loaded, it might fail silently.
• Ensure proper loading by wrapping code in event listeners like window.onload or using Webflow’s Webflow.push(function() { ... });.
• Use defer or async appropriately if you're linking external JS files.

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4. Bugs or Errors in Script

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• Yes, it’s possible there’s a bug in the code. Even a small syntax error can prevent the script from running.
• Open the published page → Right-click → Inspect → Console tab and look for errors.
• Use console.log() statements or browser dev tools to trace execution issues.

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5. Page Not Being Rendered with JS by Google

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• Google may have indexed a simplified or non-JS-rendered version of your page.
• Check how Google sees your page via Google Search Console → URL Inspection → View Crawled Page → Test Live URL.
• Ensure the robots.txt or meta tags are not blocking JS or important assets.

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6. Lazy-Loading or Custom Interactions

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• If the JS content or effects appear only after scroll or hover, it may not show up during Google’s crawl.
• Googlebot doesn’t always simulate user actions, so interaction-triggered JS may be missed.

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7. Caching and CDN Delays

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• If you recently added or changed the JS, Google may still be indexing an older cached version.
• Check the index time and cache timestamp in Google Search results using cache:[your-page-url].

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Summary

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Custom JavaScript may not display properly on Google-indexed pages due to rendering limitations, incorrect script placement, lazy-loading behavior, or actual coding errors. Use browser dev tools to check runtime issues, confirm script placement in Webflow settings, and test how Googlebot sees your page via Search Console.