Seeing dependencies can be helpful to know which scripts are safe to disable or to troubleshoot a conflict. You can display script dependencies in the Script Manager to see the following two attributes: In this example, you can see that dashicons is required by the admin-bar. In this example, you can see that wp-util depends … Read more
We always recommend testing locally or on a staging site first when using the Script Manager, as you could break your site’s appearance. Your other option is to use Testing Mode. This lets you restrict your configuration to logged-in admins and only apply the changes to your public site when you’re ready. How to use … Read more
The Script Manager is a very powerful tool and lets you easily disable front-end scripts on a per post/page or site-wide basis. However, there is a lot more going on with plugins than just their front-end scripts. That is where MU mode comes into play. Must-use (MU) mode takes the Script Manager to a whole … Read more
If you click into the Script Manager and it redirects you to your homepage, this could be because you have the Yoast SEO feature “Redirect ugly URLs to clean permalinks” enabled. In most cases, we recommend disabling this feature. Even Yoast SEO recommends not using this. However, if you do need it for some reason … Read more
We now have a Script Manager in the Perfmatters plugin. This allows you to disable scripts on a per post/page basis. This is very powerful and can drastically increase the speed on your WordPress sites (especially your homepage). A few examples of what this can be used for: There are thousands of optimizations you can … Read more
Tracking down JavaScript console errors can be tricky. We go through a few tips using Chrome DevTools, troubleshooting inline JS, and more.
While defer JavaScript pushes the script to the bottom of the page load, you can instead delay JavaScript based on user interaction. This can be a great way to significantly speed up the paint of the page for Google Lighthouse when something isn’t needed right away. Especially heavy third-party scripts like Google Adsense, Google Analytics, conversion pixels (FB, … Read more
You can disable or enable scripts in the Perfmatters Script Manager using Regex (regular expressions). This is especially helpful for sites that have a more complex URL structure in place or dynamically generated pages (archives, search, etc.). How to use Regex If you aren’t familiar with Regex, we recommend utilizing this online tool: regex101.com. Kinsta … Read more
When you have WooCommerce installed it by default loads its scripts and styles on every page of your WordPress site. This is definitely not great for performance. As you can see below on our test site, WooCommerce was loading 8 scripts on our home page, where we don’t even have any products. Disable WooCommerce scripts … Read more
Largest Contentful Paint (LCP) is a Core Web Vitals metric that gauges how fast the main content (largest) loads. Check out how to improve it.