The content cannot be rendered in the first instance

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Common reasons why Google cannot index JavaScript content
There could be many reasons why Google is unable to index your JavaScript content, including:



The URL cannot be found because the links have been generated via JavaScript on a click event

The page has timed out while Google indexes the content

Google determines that JS resources do not change the page enough to justify being downloaded

Below we will look at solutions to some of these common problems.

Server-Side Rendering vs. Client-Side Rendering vs. Dynamic Rendering
Whether or not you have problems with indexing on Google, your JavaScript content is greatly affected by how your site renders this code. And you need to understand the differences between server-side rendering, client-side rendering, and dynamic rendering.

As SEOs, we need to learn how to work with developers azerbaijan mobile database to overcome the challenges of working with JavaScript. As Google continues to improve the way it crawls, renders, and indexes JavaScript-generated content, you can prevent many of the situations already experienced from becoming problems.

In fact, understanding the different ways JavaScript is rendered is probably the only important thing you need to know about JavaScript SEO.

What are the different types of rendering and what do they mean?

Server-side rendering (SSR) is when JavaScript is rendered on the server and an HTML page is served to the client (the search engine, Googlebot, etc.). The process for the page to be crawled and indexed is the same as any HTML page as described above and JavaScript-specific issues should not exist.

According to Free Code Camp , here's how SSR works: "Whenever you visit a website, your browser makes a request to the server for the site's contents. Once the response is processed, your browser gets back fully rendered HTML and presents it on the screen."

The problem here is that SSR can be complex and challenging for developers. However, tools like Gatsby and Next.JS (for the React framework), Angular Universal (for the Angular framework) or Nuxt.js (for the Vue.js framework) can help implement it.

Client-side rendering (CSR) is pretty much the polar opposite of SSR and where the client (browser or Googlebot, in this case) renders the JavaScript using the DOM. When the client has to render JavaScript, the challenges described above can exist as the Googlebot attempts to crawl, render, and index content.