WP Rocket vs Perfmatters: Which Speeds Up WordPress More? (2026)

If you have ever looked at your WordPress site's PageSpeed Insights report and seen a frustrating 60-something score, you have probably researched WP Rocket and Perfmatters. Both are praised everywhere as the top performance plugins. The confusing part is they are not alternatives. They do different jobs. This article explains what each one does, when to use which, and why most serious sites run both.

Quick verdict: WP Rocket is a caching plugin. Perfmatters is a bloat remover. They complement each other. If you can only pick one, pick WP Rocket because caching gives the bigger baseline speed win. If you already have WP Rocket (or any cache), add Perfmatters next. On this site WP Rocket is free and Perfmatters is $7.49.

At a glance

Feature	WP Rocket	Perfmatters
Official price	$59 a year	$24.95 a year
Our price	Free	$7.49
Primary job	Caching and asset optimization	Removing WordPress bloat per page
Page cache	Yes, best in class	No
Browser cache	Yes	No
Minification	CSS and JavaScript	No, delegates to cache plugin
Critical CSS	Yes, auto-generated	No
Lazy load images	Yes	Yes
Disable scripts per page	No	Yes, this is its killer feature
Remove WordPress bloat	Limited	Yes, dozens of toggles
Database cleanup	Yes	No
CDN integration	Yes, works with Cloudflare, BunnyCDN, StackPath	No
Works alongside	Perfmatters, LiteSpeed, W3TC (one at a time though)	Any cache plugin

WP Rocket in detail

WP Rocket is the most popular premium caching plugin for WordPress. It generates static HTML copies of your pages so that visitors receive instant responses instead of waiting for PHP and MySQL to build the page on every request. Caching is the single biggest speed win on any WordPress site.

What WP Rocket does

Page caching. Serves static HTML to visitors. Instant response.
Browser caching. Tells browsers to store CSS, JS, images locally for the next visit.
GZIP compression. Compresses responses before sending.
Minification. Strips whitespace and comments from CSS and JS files.
Combine files. Reduces HTTP requests (not always a win on HTTP/2 but useful).
Critical CSS. Inlines above-the-fold styles so the page renders before external CSS loads.
Lazy loading. Images and iframes load only when they scroll into view.
Database cleanup. Removes revisions, auto-drafts, expired transients.
CDN integration. Serves assets from Cloudflare, BunnyCDN, StackPath automatically.
Preloading. Pre-generates cached pages so even first visitors get a cached response.

Why WP Rocket is the baseline

Enable it, click two settings, and your PageSpeed score jumps 20-40 points. Nothing else is as high-leverage on a WordPress site. Even on servers that already have caching at the server level (LiteSpeed, Nginx FastCGI), WP Rocket adds optimizations the server-level cache does not.

Perfmatters in detail

Perfmatters is a bloat remover, not a cache. It disables unnecessary scripts, styles, and WordPress features that your site is loading but does not need. Think of it as a scalpel that cuts away what your pages do not use.

What Perfmatters does

Disable scripts per page. Only load Contact Form 7 on your Contact page, not your homepage. Only load WooCommerce assets on shop pages. This alone can cut dozens of HTTP requests.
Remove WordPress bloat. Emoji scripts, embeds, dashicons for non-admins, oEmbed, REST API discovery links, RSD, WLW manifests, shortlinks, Jetpack bloat. All toggleable.
Lazy load iframes. YouTube embeds load as a placeholder image until clicked.
Delay JavaScript. Defer scripts until user interaction (click, scroll, touch).
Remove unused CSS. Experimental, strips CSS rules not applied to the current page.
Disable heartbeat. Reduces admin-ajax load.
Change login URL. Hide /wp-admin from bots.
Script manager. See every script loading on every URL and switch any off.

Why Perfmatters is the next step

Cache plugins speed up repeat visits. Perfmatters makes the first visit faster by shipping less code to begin with. Common wins:

Homepage was loading Contact Form 7 CSS and JS for no reason. Perfmatters disabled it. Minus 2 HTTP requests.
Product pages were loading WooCommerce cart fragments on every pageview. Perfmatters disabled on non-WC pages. Minus one AJAX call.
Every page was loading dashicons for logged-out users. Perfmatters disabled it. Minus 30KB.

On well-tuned sites, Perfmatters typically adds another 10-20 PageSpeed points on top of what WP Rocket delivers.

Should you use both

Yes, if performance matters. The two plugins do not overlap. They play nice together. The recommended stack for a serious WooCommerce site in 2026:

WP Rocket for caching, CDN integration, minification, critical CSS.
Perfmatters for script management, bloat removal, delay JavaScript.
An image CDN (Cloudflare, BunnyCDN) for image delivery.
Fast hosting (LiteSpeed, Kinsta, WP Engine) as the foundation.

With all four, PageSpeed 95 plus mobile is realistic on most WooCommerce stores.

When one plugin is enough

WP Rocket only

You run a brochure site or small blog. You just need the basics. You do not have time to configure script management per page.

Perfmatters only

Your host already caches aggressively at the server level (LiteSpeed with LSCache, Kinsta's edge cache). You still want bloat removal and script management.

Common questions

Will running both break my site?

No. They do not overlap. The only setting to coordinate is "Delay JavaScript". Enable it in one plugin, disable in the other. Perfmatters usually does it better.

Can I use WP Rocket with LiteSpeed Cache?

Not recommended. LSCache is a server-level cache that integrates with LiteSpeed Web Server. WP Rocket is a WordPress-level cache. Pick one. If your host is on LiteSpeed, use LSCache (it is more efficient at that level). Perfmatters still works alongside LSCache.

Does Perfmatters replace a cache plugin?

No. Perfmatters does not cache pages. It only removes bloat. You still need a caching layer, either WP Rocket, LSCache, or your host's cache.

Which gives bigger speed gains?

WP Rocket, on an uncached site. Caching alone can take a 90-point PageSpeed score to 95. Perfmatters alone, on a cached site, typically adds 10-15 points on top.

Final recommendation

Install WP Rocket first. Measure your PageSpeed. Then install Perfmatters and tune it per page. Measure again. You will usually land in the 90-plus range on both desktop and mobile.

On this site WP Rocket is a free download and Perfmatters is $7.49, both under their GPL licenses. Perfmatters is also included in the Pro Growth Bundle.

Building the full stack? See how our GPL marketplace prices compare with buying each plugin direct. If you build with a page builder, Elementor Pro is a free download here.