Don't lose Google traffic? Customize Opent for JavaScript and CSS files

The way Google views your site is per Monday, October 27, 2014 changed thoroughly. If you do nothing with this, you run the risk of losing your search positions in Google and therefore visitors. And with that also sales. So what has Google changed and how do you fix that?
Google views every website with Googlebot: fully automatic software that clicks on all links and indexes the content. Googlebot previously only saw texts, links and tags such as alt-image (Google does not recognize any images). That meant that Googlebot also saw no formatting (C.S.S) and additional applications (JavaScript).
Googlebot now views your website like a human user: including CSS files and Javascripts. See announcement of Google Webmaster Central. It's an adjustment in Google's Technical Webmaster Guidelines.
Which part of your website Googlebot can and cannot see is in robots.txt. That is an instruction card for Googlebot, and all other bots from other search engines. This also states whether Googlebot can see CSS and Javascript on your site.
That is a good question. More people should ask that! Here's the fastest way:
YES, you can do this for any website. Also for Google itself: www.google.nl/robots.txt.
Does the above not work? Do not panic.
Go and update Facebook, check your mail or get a cup of coffee.
You will then see how Googlebot sees your site. Example:
The first column shows the URL, in the 2nd column it type, in the third the reason, then possibly robots.txt tester.
In this example, Javascripts are blocked by robots.txt. That is not good, because Google says:
Don't have you yet Robots.txt seen? click on the link robots.txt tester or go to the menu in Google Webmaster Tools Crawl and then to robots.txt tester. You can now immediately see how Google reads your robots.txt file.
The steps to give Google access to JS and CSS are as follows:
Now you have fixed the problem for Google. For the time being, other search engines do not yet look at CSS or JS. Read about it here all the possibilities of robots.txt.
Are you stuck? Forward this blog to your own webmaster / web builder with the Share buttons below this blog. This is covered by a service contract, but if you have paid once for creating your website and then no longer, your web builder can count the time it takes to adjust. That really cannot be more than an hour, depending on your website, cms and knowledge of the web builder.
In an earlier version of this blog I gave a WordPress example and recommended the folder / wp-includes / from disallow to allow.
You must keep a website up to date. Just like a car or a house. If you don't, your website may suddenly no longer rank in Google, your traffic will decline and therefore your turnover. Bloeise helps you keep up.
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