MachStyle
MachStyle helps your pages feel faster by loading critical styles first and delaying selected non-critical CSS.
Use with caution
MachStyle works, but test it on a staging site before relying on it in 2026. Was last updated 5 months ago, and scores 49/100 on our health check.
- Small user base (<10 active installs)
- Very few reviews so far
- Needs PHP 8.1 or newer
How does it stack up?
Side-by-side on installs, updates, ratings & support
Daily downloads
Download spikes usually follow a new release — each site that auto-updates counts as a download.
Rankings
Where MachStyle stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| core web vitals | >100 |
| css | >100 |
| optimization | >100 |
| performance | >100 |
| stylesheets | >100 |
About MachStyle
From the official readme · v1.1.3Description
MachStyle helps your pages feel faster by loading critical styles first and delaying selected non-critical CSS.
You decide where this happens using simple rules. For many sites, this can help improve Core Web Vitals.
MachStyle is designed for practical, low-risk testing:
- Create rules for specific page groups, post types, or URL patterns.
- Test changes safely in Test Flight before they affect real visitors.
- Compare results in performance tools like PageSpeed Insights before going live.
- Copy tested rules to live settings when ready.
Small, measured changes work best. Test, compare, then roll out.
How to Use
- Open MachStyle and go to
Test Flight. - Add one rule for one page group, such as the home page, a post type, or a URL pattern.
- Add the style handles you want to defer. Use the Audit Panel to find style handles.
- Check the page on desktop and mobile.
- Run PageSpeed on the Test Flight URL and compare the result with your normal live URL.
- If the page looks correct and the metrics improve, copy the rules to
Live Settings. - Enable live optimization.
How to Use Audit Panel
Audit Panel is a tool that helps you find style handles to defer.
- Open the frontend of your website and open Audit Panel from MachStyle menu in admin bar.
- Click on any stylesheet to temporarily remove its styling. This shows you what the page looks like for a fraction of second during load.
- Look at the top of your site. If it still looks readable and organized without that style, it’s a great candidate to stay deferred.
- If the page looks messy or the header breaks, that style is important for the first impression. Click it again to turn it back on.
- Once finished, click Copy Handles button to get your optimized list and add it to your MachStyle settings.
What to Defer First
Start with styles that are useful but not needed immediately:
- Footer styles
- Slider and carousel styles
- Form styles on pages that do not show forms right away
- Social share or widget styles below the fold
- Extra builder or block styles not needed at first paint
What Not to Defer
Avoid deferring styles that control first-view layout:
- Main theme layout styles
- Header, menu, and hero section styles
- Checkout and cart critical styles
- Any style that causes visible layout shifts when delayed
Development & Contribution
MachStyle is open source and welcomes contributions!
- GitHub Repository: https://github.com/Utsav-Ladani/MachStyle
- Report Issues: https://github.com/Utsav-Ladani/MachStyle/issues
- Feature Requests: https://github.com/Utsav-Ladani/MachStyle/issues
- Contribute Code: Fork the repository and submit pull requests
Installation
- Upload the plugin files to the
/wp-content/plugins/mach-styledirectory, or install the plugin through the WordPress plugins screen. - Activate the plugin through the
Pluginsscreen in WordPress.
Frequently asked questions
What is Test Flight?
Test Flight is a safe testing mode. It lets you preview optimization rules without affecting real visitors.
Can I use PageSpeed Insights before going live?
Yes. A good workflow is to record a baseline score on the normal page, then run the same test against the Test Flight URL and compare metrics like LCP, INP, and CLS.
What happens if something looks wrong?
Turn off live optimization, remove or narrow the last rule you added, and retest in Test Flight.
Does MachStyle remove CSS?
No. It changes when selected styles load on matching pages. The goal is to keep important styles available first and delay less-critical styles.
Changelog
Support for WordPress 7.0.
1.1.3
- Support for WordPress 7.0.
1.1.2
- Fix homepage query param bug.
1.1.1
- Minor bug fixes.
1.1.0
- Added Audit Panel. It helps you find style handles to defer.
1.0.0
- Initial release.
- Added conditional CSS defer rules for selected page conditions.
- Added separate Live Settings and Test Flight modes.
- Added Test Flight ID tools and admin bar quick access.
- Added rule copy workflow from test to live.
Screenshots
For developers
Is this your plugin? Show off the numbers.
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Best MachStyle alternatives
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FAQ
MachStyle: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 15, 2026
Is MachStyle free?
Yes. MachStyle is free to download and use from the official WordPress.org plugin directory.
Is MachStyle safe to use in 2026?
MachStyle works, but test it on a staging site before relying on it in 2026. Was last updated 5 months ago, and scores 49/100 on our health check.
How many websites use MachStyle?
MachStyle is active on <10 WordPress websites and has been downloaded 453 times since it launched in May 2026. It was downloaded 55 times in the last 30 days.
Does MachStyle work with WordPress 7.1?
MachStyle is officially tested up to WordPress 7.0.7, while the latest release is 7.1.3. It may still work, but try it on a staging site first.
What PHP version does MachStyle need?
MachStyle requires PHP 8.1 or higher. Most hosts run PHP 8.x today, so it works on any modern WordPress hosting.
When was MachStyle last updated?
The latest version, 1.1.3, was released on May 31, 2026 (5 months ago).
Who makes MachStyle?
MachStyle is developed and maintained by Utsav Ladani.
What are the best alternatives to MachStyle?
The most popular alternatives to MachStyle are WP Fastest Cache (1M+ installs), Autoptimize (800K+ installs) and NitroPack (90K+ installs).
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