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Google Webmaster Updated Regarding Blocking CSS & JavaScript Files

Google announced they have modernized their webmaster guidelines to specifically note that interference your CSS & JavaScript files might cause a negative impact on your search rankings in Google.

SEO Rules & RegulationPierre Far, Google’s Webmaster Trends Analyst, stated the “fresh guideline specifies that you simply should allow Googlebot access to the JavaScript, CSS, and image files that your pages employ” all for “finest rendering and indexing.” If not and you block Googlebot access to those files, Pierre added it “directly troubles how well our Google algorithms render and index your content and can result in suboptimal rankings.”

What’s altered in the guidelines exactly?


Use a text browser like lynx to look at your website, as a result of most search engine spiders see your website a lot of as lynx would. If fancy options such as JavaScript, cookies, session IDs, frames, Flash keep you from seeing all of your website in a text browser, then computer program spiders could have bothered crawling your website

Later than:

To help Google absolutely perceives your site’s contents, enable all of your site’s assets, such as CSS and JavaScript files, to be crawled. The Google indexing system renders web pages using the hypertext markup language of a page as well as its assets like Images, CSS, and Javascript documents. To check the page assets that Googlebot cannot crawl and to write directives in your robots.txt file, use the Fetch as Google and also the robots.txt Tester tools in Webmaster Tools.