Jennifer Slegg says, “If you’re a webmaster, you probably received one of those infamous “Googlebot cannot access CSS and JS files on example.com” warning letters that Google sent out to seemingly every SEO and webmaster. This was a brand new alert from Google, although we have been hearing from the search engine about the need to ensure all resources are unblocked—including both JavaScript and CSS.

There was definite confusion around these letters, supported by some of the reporting in Google Search Console. Here’s what you need to know about Google’s desire to see these resources unblocked and how you can easily unblock them to take advantage of the associated ranking boosts.

Why does Google care?

One of the biggest complaints about the warning emails lay in the fact that many felt there was no reason for Google to see these files. This was especially true because it was flagging files that, traditionally, webmasters blocked—such as files within the WordPress admin area and WordPress plugin folders“.

Why All SEOs Should Unblock JavaScript & CSS… And Why Google Cares

MOZ Blog

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