In the early days of the web, things were much simpler in this regard

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Rina7RS
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Joined: Mon Dec 23, 2024 3:34 am

In the early days of the web, things were much simpler in this regard

Post by Rina7RS »

The server would typically return all the HTML needed to render the page. Today, however, many sites using single-page application frameworks only serve the bare minimum HTML from the server and delegate the heavy lifting to the client whether it be a user or a bot. Given the size of the web, this requires a lot of time and computing resources, and as Google made clear at its IO conference in 2018, this presents a major problem for search engines:

“Rendering of JavaScript-driven websites in Google Search will be delayed until Googlebot has the resources to process that content.”

On larger sites, the second wave of indexing can sometimes armenia mobile database be delayed by several days . Beyond that, you can run into a ton of issues because critical information like canonical tags and metadata are completely lost. I highly recommend watching this video of Google’s excellent talk on the subject to get an idea of ​​some of the challenges facing modern search crawlers.

Google is one of the few search engines that renders JavaScript. Furthermore, it does this using a web rendering service that, until recently, was based on Chrome 41 released in 2015. Obviously, this has implications beyond just single-page applications, and the broader topic of JavaScript SEO is a fascinating area at the moment .
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