Therefore, if the user agent is not a bot, everything loads normally. The pre-render service is only used to optimize the bot experience.
Pre-rendering and Google
Some time ago, Google recommended using the AJAX_escaped_fragment_ crawl schema. Unfortunately, this method has been since deplored. However, it appears that some services continue to operate it, e.g. https://prerender.io/. The good news is that websites using prerender.io are indexed in SERP.
How Prereder.io works
Should we pre-render everything?
Benefits of Pre-rendering in SEO
Pleasing Google and Human users
Highly rated by Google and Bing
Very reliable, simple, and expandable service
The installation of the service is very quick and promises unmatched service commitment at all times.