JavaScript SEO is part of technical SEO focused on optimizing websites that use JavaScript. The goal is to make sure search engines can crawl, render, and index the content of these sites.
Proper JavaScript SEO can improve your website’s visibility and ranking in search results.
Crawling and indexing JavaScript-based websites is more complicated than standard websites for search engines like Google.
JavaScript SEO makes it easier for search engines to understand the website and its content.
As a result, the JavaScript website will get more visibility and rank higher in the search results.
JavaScript SEO is considered an advanced aspect of search engine optimisation. It typically requires more technical knowledge and experience.
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Google processes JavaScript in 3 different phases:
The first thing Google does is crawl the HTML content on the page. This helps Googlebot understand the structure of the page.
Google then renders the JavaScript content. Because JavaScript takes time to render and involves a lot more resources, it slows down the indexing process.
That’s why JavaScipt SEO is so important.
It’s also why Googlebot will choose to render the JavaScript last.
After rendering the JavaScript, Google will then index the content and add the page to the search results.