Perfmatters Unlike traditional caching plugins, it focuses on disabling useless features, streamlining script calls, and helping your website significantly improve loading speed. In this article, we will introduce the main features of Perfmatters, core settings in detail.

I. Why choose Perfmatters?

1.1 Perfmatters' core strengths

• Disable redundant features::WordPress Perfmatters comes with a number of default features that are useful for some users but add unnecessary load requests, which Perfmatters can disable with a single click.
• Script Management: Through the Script Manager, you can control the loading of CSS and JS on a page-by-page basis to reduce front-end blocking of rendering resources.
• Lightweight and stress-free: The plugin file is extremely small and the loading overhead is negligible.

1.2 Scenarios for Perfmatters

Perfmatters can be a powerful complementary optimization tool for sites that are already using a caching plugin but still have slow first-screen loads, low Google PageSpeed Insights scores, and too many script calls on the page.

Perfmatters core functions and settings

2.1 General

Disable useless functions

Go to Perfmatters → Settings → General, you can see many function switches, common settings are suggested below:

• Disable Emojis(Disable Emoji Script) is the emoji JS script that WordPress loads by default. Disabling it reduces the number of wp-emoji-release.min.js requests to improve page loading speed.
• Remove jQuery Migrate(Remove jQuery Migration Script) is compatible with migration scripts that work with older jQuery plugins. If the theme and plugin do not need the old jQuery version, removing it will reduce useless JS files and optimize performance.
• Remove REST API links(Remove REST API Link) is the REST API interface link tag in the header of the page. Removing it simplifies the HTML code structure and improves loading efficiency and code cleanliness.

Optimizing the Heartbeat API

The WordPress Heartbeat API sends requests to the server every 15-60 seconds, which tends to increase CPU usage if there are a lot of visits. This can be adjusted in the Heartbeat settings:

• Change frequency: Adjustment frequency is 60s.

2.2 Script Manager

Script Manager is a powerful feature of Perfmatters that allows you to finely control the loading of CSS and JS for each page, post, or URL, effectively reducing useless resources and dramatically improving the loading speed of your site.

2.3 Preloading

• Preconnect: Establish TCP and TLS connections to target domains in advance. External domains, such as Google Fonts, can be added to avoid delays in loading external fonts.

• DNS Prefetch: The browser resolves the specified domain name before the user actually requests the resource, e.g. using an external service: Google Analytics. //www.google-analytics.comThe following are some examples of how you can reduce DNS query latency.

2.4 Lazy Loading

• Image Loading

For users who have not yet used the cache plugin loading feature, you can delay the loading of images to shorten the loading time of the first screen.

• iframe and video loading

When enabled the video is loaded only when the user scrolls to the viewport, improving the initial page load speed.

2.5 Database Optimization

Perfmatters offers one-click cleanups such as revised versions, automatic drafts, spam comments, etc., with buttons that can be turned on for regular cleanupscomprehensive database, reducing the query load.

Common Considerations for Using Perfmatters

3.1 Don't blindly disable scripts

exist Script Manager Before disabling CSS/JS, test the functionality of the page to make sure it doesn't affect the layout and interaction.

3.2 Work with server optimization

Perfmatters focuses on front-end resource optimization, if the server configuration is weak, it is recommended to use LiteSpeed, Nginx + FastCGI Cache and other acceleration solutions.

3.3 Regular updates

Perfmatters is updated frequently, so keep it up to date for better compatibility and security.

IV. Summary

Perfmatters anLightweight performance optimization tool focused on reducing WordPress burden, managing front-end scripts, disabling useless features. It is lightweight and flexible, suitable for sites that already use caching plug-ins but are still looking for extreme loading speed. Properly configured Perfmatters can help sites significantly improve loading performance and optimize the user experience.

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