Eliminate render-blocking resources in Google Search Console & Core Vitals

Google-Core-Vitals-Eliminate render-blocking resources

The main goal of every website is to provide visitors with an excellent user experience. Most users agree that a faster website is preferable to a slower site. But several reasons slow down your site speed and affect its performance. They are commonly known as render-blocking resources. If you manage a website you might be familiar with the phrase from Google Search Console “Eliminate render-blocking resources” and how troublesome it is. Not? Don’t worry; we will explain it in this post.

So if your WordPress website has render-blocking resources and is looking for an exact solution, you are at the right place. This article writes a complete breakdown of render-blocking resources in WordPress, what they are, how they affect your site performance, and how to eliminate them.

If your not sure if you site has render-blocking resources just go to https://developers.google.com/speed/pagespeed/insights/ and enter your URL and Google will give you a list of error on your site.

What are render-blocking resources?

Render-blocking resources are CSS and Javascript files that play a crucial role in rendering a web page. When a user opens your site, browsers encounter render-blocking files and stop downloading other resources until these files are processed. During this time, the entire rendering process is put on hold, thus reducing the site speed. To better understand what render-blocking resources are and how they hurt your site performance, let’s start with the basics of how a web browser renders a web page. 

Whenever a user lands on your site, their web browser starts rendering by reading the code from top to bottom. Got it?

So when the browser reads the HTML markup from top to bottom, it encounters various CSS and Javascript files ( each site has its CSS and java files and many more). When browsers encounter these files, it stops reading and waits until these files download and parse. As a result, your site takes a longer time than usual to render web page content; thus, your user considers your site is slow. 

When talking about render-blocking resources, we usually refer to:

  • CSS
  • Javascript
  • Fonts added from CDN or local server
  • HTML importer

It is important to note that all CSS and script files are not render-blocking resources. Many people think that images are also render-blocking resources that are not valid. Images, media files, and <script> tags present at the bottom of <body> are perceived as non-render-blocking resources. Though it is still important, you should optimize your site’s images and reduce file size to flourish your site speed. 

Lighthouse Render blocking scripts
Google Lighthouse Test

Why is it essential to eliminate render-blocking resources?

Now you have a clear-cut idea about render-blocking resources. The next question that would arise in your mind is why is it crucial to eliminate render-blocking resources in your sites? 

Eliminating render-blocking resources in site is crucial for site health because our site speed plays an integral role in promoting our site health and performance. A faster website provides a great user experience and consequently increases the number of visitors to your site. On the other hand, a slow site provides a poor user experience, and you’re more likely to lose visitors. 

Moreover, site speed is also crucial for Search engine optimization SEO. Because users rely longer only on those sites with a faster speed and like to visit them again and again. Thus, with the fastest speed, you promote user experience on your site and rank high in search engine results. But our site speed is affected more by render-blocking resources. Note that every resource takes up bytes and requires sufficient time for downloading and processing. It made a considerable difference in site loading time and thus frustrated the visitors.

Make sure your site has clean and concise code, as minimal as possible, to promote your site speed. The lesser and lighter files you have, the greater is your site speed for sure. Thus, make sure your site doesn’t have any render-blocking resources at all. If you don’t have checked your WordPress site yet, you can check it at google page speed insight. If you don’t remove render-blocking resources from your site, your site will show poor performance and negatively affect your business. 

How to eliminate render-blocking resources in WordPress? 

You learn about render-blocking resources, their effect on your site, and how crucial it is to remove these resources to flush your site’s health. Now it’s time to know how to remove them. You can eliminate render-blocking resources in WordPress both manually as well as by using the plugin. Let’s take a look:

Render-blocking CSS

You can remove render-blocking CSS in three ways: 

Concise your CSS files: To concise your CSS files, remove all the whitespace and unnecessary comments from your files.

Reduce the number of CSS files in the critical path: Thi means combining all the CSS files in one and remove the call to these files from your HTML markup. 

Properly call your CSS files: Call CSS file in HTML like this: <link rel=”style.css” href=“style.css”>. Don’t use the @import method. Because when you call a CSS file using the @import method, the browser goes back and finds the imported CSS file to read the code, resulting in slow rendering of your webpage. 

Render-blocking Javascript

If you want to remove render-blocking javascript, you need to identify how many javascript files are loaded on your site, which causes problems and where they are called in your HTML. To do this, you can use Google’s PageSpeed Insights. Make a list of these files and add either an “async” or a “defer” attribute to them. By doing this, these attributes allow the site to download HTML and javascript side by side and lower the time to render web pages. 

It is important to note that use “async” on independent scripts that don’t rely on anything else to load. Sometimes, it breaks the script that depends on load, so for dependent scripts, “defer “is best suitable. 

Using Plugin

While you are working with WordPress, it is possible to optimize CSS and Javascript without even touching the code. So if you are not comfortable with manual solutions, you can fix this issue using a WordPress plugin. There are many plugins with a millionth of installation ready to help you sort out your site problems.

It is important to note that before working with any of these plugins, make sure to take a backup if something goes wrong.

So here you see how easy it is to remove render-blocking resources that come in the way of your site speed and performance. So check and remove any render-blocking resource from your site and make a better user experience with your visitors and clients because any delay will frustrate your user and affect your business. 

Need Help?

Know your websites slow and worried about Google reducing your visibility due to render-blocking scripts and other speed-related errors. Book in a call to talk to us today or book one of our free speed checks or paid speed audits.

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