Does Googlebot crawl JavaScript?
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Does Googlebot crawl JavaScript?
Today, as long as you're not blocking Googlebot from crawling your JavaScript or CSS files, we are generally able to render and understand your web pages like modern browsers.
We wanted to know how much JavaScript Googlebot could read, crawl and index. To achieve that, we built a website – http://jsseo.expert. Each subpage had content generated by different JavaScript frameworks. We tracked server logs, crawling, and indexing to find which frameworks are fully crawlable and indexable by Google.
Today, as long as you're not blocking Googlebot from crawling your JavaScript or CSS files, we are generally able to render and understand your web pages like modern browsers.
What it does is it crawls the web pages and follows all the links in a web page. That way, the bot discover more new links and more new web pages to crawl. Crawled web pages are then passed to Caffeine for indexation. Keep in mind that Googlebot CAN be denied access using robots.txt.