How can I ensure Google will crawl my JavaScript state-based websites?

@arlo 

To ensure that Google can crawl and index the content of your JavaScript-based website, you can follow these best practices:

1. Serve static HTML content: Make sure that the initial HTML content of your website is served as static HTML and not generated dynamically on the client-side using JavaScript. This ensures that Googlebot can crawl and understand the structure of your website and its content.
2. Use dynamic rendering: If you have to serve dynamic content using JavaScript, consider using dynamic rendering, which is a technique that generates an HTML version of your page on the server and serves it to search engines, while serving the JavaScript version to users.
3. Make sure your site is crawlable: Ensure that your website is crawlable, meaning that Googlebot can access and follow links to other pages on your website. This can be done by checking your robots.txt file and making sure that it doesn't block Googlebot from accessing your site.
4. Implement the History API: Use the History API to dynamically update the URL as the user interacts with your website, which makes it easier for Google to crawl your site and understand its structure.
5. Pre-render your pages: Consider using pre-rendering, which is a technique that generates a static HTML version of a page and serves it to Googlebot, instead of serving the JavaScript version.

By following these best practices, you can help ensure that Google can crawl and index your JavaScript-based website. However, it's important to note that even with these techniques, it may take time for Google to crawl and index your site, so be patient and keep monitoring your website's performance in search results.