Google and other search engines crawl the contents of various websites to make them available in their search results. This is the only reason that server rendered sites still exist in the market. Though Google and other search engines have begun crawling client rendered websites, the efficiency is nowhere close to server rendered sites. Also, Server Side Rendering feels a lot faster for the user since minimal resources are needed to load the webpage. People on slower connections might find it very tough to load the websites that are client rendered as an entire copy of the website needs to be transferred to the user. This might lead to the user downloading more than a few megabytes causing delay. On the other hand, Server rendered sites send simple HTML pages to the client that are more often than not, loaded instantly.
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