How to Eliminate Render-Blocking Resources?

An essential Google ranking factor is the website speed. If you have ever run your website through Google PageSpeed Insights, maybe you have seen that you need to eliminate render-blocking resources, to make your website faster. In today’s article, we form will show you how to eliminate render-blocking resources and speed up your website.

Eliminate Render-Blocking Resources – Meaning

What are render-blocking resources? These are CSS of Javascript files, that are slowing your website loading speed.

Simply, these types of resources are not good for the health of your website and especially its speed. But what in-real they do to your website.
As you can judge from their name, they stop the rendering of your site loading.

When a visitor attempts to visit your website the web browser starts reading the HTML code of your site from the top to the bottom. And here comes the problem, if the browser detects a CCS of JS(javascript) files while rendering your website, the whole process needs to stop until the browser downloads the specified file, which is a waste of time. This causes the slow HTML loading of your website. In other words, the browser is loading unnecessary resources instead of the visible site code.

Have in mind that not all the CSS and JS files are render-blocking.

How to Test Your Website for Render-Blocking Resources

To test if you have render-blocking resources go to Google PageSpeed Insights and copy the URL of your wbesite. When you see the results locate to the Opportunities section, there will be listed if your website need to elimnate them.

How to Eliminate Render-Blocking Resources?

There are two different ways to eliminate resources that blog your rendering. The first option is to do it manually, which is the more complicated one, and is better to be done by developers. The second option is to use plugins.

Eliminate Render-Blocking JavaScript

To optimize this process and eliminate unnecessary Javascript files there are a couple of ways to do it.

By using the Async method
Async lets the HTML loading the website while the browser or parser downloading the script. During the process there almost no pausing and this definitely speeds up the loading time. The pause that happens is only one time when the files are getting excluded.

By using the Defer method
The Defer method does almost the same thing as the Async method but without any pausing. It excludes the script after the loading process is done.

Minify and Compress the Javascript
Minifying the Javascript code can be beneficial for the site loading speed and it will facilitate your browser download the script.
The best way to minify your JavaScript code is by using by tool or plugin.

Eliminate Render-Blocking CSS

By default, CSS is considered a render-blocking resource but there is no way to remove from a site because it is the code that makes it look better, and without CSS our site will not work at all.
To optimize your CSS there are a few things that you can do.

– Using inline CSS
– Combining CSS files
– Minify the CSS files
– Try using less CSS
– Defer the unused CSS

How to Use Inline CSS
The slow page loading depends on the number of CSS files you have on your website. The best way to optimize your CSS is to write it directly on the HTML files. In this way, the CSS only loads when the specific page is opened. This is called inline CSS. You can copy the code from the CSS files and paste it to the HTML code, then remove the call for the CSS file.

How to Combine CSS Files
Another fix to the problem with slow loading is the combining CSS files. If you have too many CSS files you can combine them in one, in this way, the browser will load one file instead of a lot. This move can definitely optimize the speed of your site. To do it open the supporting CSS file and copy the code, then paste it on the main CSS file. Don’t forget to remove the call for the initial CSS file.

How to Minify CSS Files
Similar to the JS file, for the CSS one, the best way to compress them or minify them is by using a tool designed for compressing and minifying CSS files.

Try using less CSS
Like we said, using fewer CSS elements will lead to faster website loading, but how to reduce the amount of unnecessary CSS code on your website, without affecting it.
One decision that can solve the problem is not to use too many plugins. Plugins use additional CSS code, for easier customization, which loads the site with unnecessary files.
Avoid too many plugins for the health of your website

Another thing that fills your website with unnecessary CSS code is the multi-purpose themes. They are created to make quick design changes, which requires CSS

Defer the Unused CSS
Use the defer method for CSS. This will optimize the rendering and there will be no pauses while the browser loads your website.

Optimize Your Images

Although the images are not files that stop the rendering, if they are not optimized they can contribute makинг your website slow.
To optimize the images on your website you can do a few things.
First before uploading an image give it a proper name, and choose the right file type we recommend using PNG or JPEG they provide the best quality on minimum size.
After choosing the best IMG format compress the image . And one last thing makes a site map to your images to make them easier to find by the Google crawlers.

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