How to Eliminate Render-Blocking Resources in WordPress
When it comes to optimizing your WordPress website’s performance, rendering speed plays a crucial role.
Render-blocking resources can significantly slow down your website’s loading time, resulting in a poor user
experience and negatively impacting your search engine rankings.
Render-blocking resources are external files, such as JavaScript and CSS files, that are required by your
webpages to properly display its content. However, when these resources are loaded, they can block the
rendering process, forcing the browser to wait until they finish loading before displaying anything on the
screen.
Fortunately, there are effective ways to eliminate render-blocking resources in WordPress and boost your
website’s performance. Here are some best practices to consider:
1. Minimize and Combine CSS and JavaScript Files
One effective way to reduce render-blocking resources is by minimizing and combining CSS and JavaScript files.
By doing so, you can reduce the number of HTTP requests made by the browser and optimize the loading speed of
your webpages.
To achieve this, you can use popular WordPress plugins such as Autoptimize or WP Rocket. These plugins
automatically minify, combine, and optimize your CSS and JavaScript files, enabling faster rendering of your
webpages.
2. Leverage Browser Caching
Another technique to eliminate render-blocking resources is by leveraging browser caching. When a browser
caches static resources such as images, CSS, and JavaScript files, it stores a copy locally, eliminating the
need to fetch them from the server each time a user visits your website.
To enable browser caching in WordPress, you can utilize caching plugins like W3 Total Cache or WP Super Cache.
These plugins allow you to specify expiration times for different types of resources, ensuring efficient
caching and reducing render-blocking delays.
3. Use Asynchronous or Deferred Scripts
Asynchronous or deferred loading of scripts can also help eliminate render-blocking resources. By loading
scripts asynchronously or deferring their execution, you allow the browser to continue rendering other parts of
the webpage while fetching and executing the scripts in the background.
WordPress offers several plugins, such as Async JavaScript or Fast Velocity Minify, that enable the
asynchronous or deferred loading of scripts. These plugins allow you to customize the loading behavior of
scripts, ensuring they don’t block the rendering process.
4. Optimize Image Loading
Large or unoptimized images can significantly slow down your website’s rendering speed. To optimize image
loading, make sure to resize and compress your images without sacrificing quality.
WordPress plugins like Smush or ShortPixel can help automatically optimize your images by reducing their file
sizes while keeping the visual quality intact. This optimization reduces the impact of render-blocking caused by
images and improves your website’s overall performance.
5. Prioritize Above-the-Fold Content
Above-the-fold content refers to the portion of a webpage visible without scrolling. Prioritizing the loading
of above-the-fold content ensures that users can quickly see and interact with the most important elements of
your website, even if other resources are still loading.
You can achieve this by using plugins like Above The Fold Optimization or WP Rocket, which offer options to
defer render-blocking resources below the fold while prioritizing the display of essential content to enhance
user experience and reduce perceived loading time.
Conclusion
Eliminating render-blocking resources is crucial for optimizing your WordPress website’s performance and
providing a fast browsing experience to your visitors. By following the best practices mentioned above,
minimizing and combining CSS and JavaScript files, leveraging browser caching, using asynchronous or deferred
scripts, optimizing image loading, and prioritizing above-the-fold content, you can significantly improve your
website’s rendering speed.
Remember, a faster website not only enhances user satisfaction but also contributes to better search engine
rankings and increased conversions. Start implementing these practices today to eliminate render-blocking
resources and optimize your WordPress website for superior performance.
Example of implementing asynchronous loading using the tag: