5.0 (367 user evaluations)
SWIS Performance

SWIS Performance v2.4.0 - One-stop WP Caching & Resource Acceleration Solution, Website Performance Optimization

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Updated: 2025/06/26

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SWIS Performance is a powerful performance optimization plugin that provides a full range of acceleration solutions such as page caching, JS/CSS asynchronous and delayed loading, key CSS inlining, resource compression caching and DNS pre-connection. It is adapted to a variety of website scenarios, effectively improving loading speed and user experience, and boosting SEO rankings and conversions.

Download Version

  • SWIS Performance v2.4.0

Introduction to SWIS Performance

Product Overview

SWIS Performance is an advanced performance optimization plugin for WordPress that integrates page caching, script and style resource management, resource compression and optimization. Core features include eliminating rendering blocking, critical CSS inlining, JS/CSS minimization, cache expiration header configuration and DNS pre-fetching. Suitable for blogs, enterprise sites, membership/e-commerce and other speed-sensitive sites, can significantly shorten the page load, improve the core Web Vitals metrics, reduce the bounce rate and enhance the user experience.

Key Features

  • Page caching: Significantly reduces PHP and database calls and improves responsiveness.
  • Deferred/Delay JS: Optimize script loading path to avoid first screen rendering blocking.
  • CSS Asynchronous Loading + Key CSS Inlining: Resolve FOUCs and render key styles on-the-fly.
  • JS/CSS Minify: Remove spaces and comments to reduce resource size.
  • Resource Compression + Cache Header: Configure long-term caching to improve repeat-access performance.
  • Static Resources CDN Acceleration: Support Easy IO CDN to enable global caching services with one click.
  • Disable JS/CSS on demand: Disable redundant resources and crop loaded content by page or site-wide.
  • DNS pre-connect/pre-acquisition: Establish third-party connections in advance to optimize external resource loading.
  • Google Fonts Optimization: Locally hosted and compressed to prevent font resources from slowing down the page.

Target audience and usage scenarios

  • Type of website: Blogs, corporate websites, online courses, e-commerce, membership systems, etc.
  • user group: Webmasters, developers, optimization specialists, and those in need of website upgrades.
  • business need: Pursuing page speed, increasing user retention, and improving the mobile experience.
  • Scenario Example: Share high-traffic articles, launch promotional campaigns, optimize traffic portals, improve SEO, and reduce server stress.

Comparison of similar plugins

FunctionsSWIS PerformanceWP RocketPerfMatters
Page caching
JS Delay / Remove
CSS Asynchronous & Critical CSS❌ (manual required)
JS/CSS Minify
Disabling unused resources
CDN Integration✅ (Easy IO)✅ (third party)
DNS Pre-Connection
Google Fonts Localization

Unique Advantage Description:

  • SWIS: Built-in DNS pre-connections and Google Fonts local optimization for an all-in-one resource boosting solution.
  • WP Rocket: Provides UI friendly + cache warming, integrates more advanced features (database cleanup, delayed image loading, etc.).
  • PerfMatters: Good at fine-grained control of script loading order, but no CDN or font localization.

User Feedback Highlights

  • From EWWW Official Support (2024-05-15)
    “SWIS cache loads a page in around 7 ms, WP Rocket in 5 ms. So they are both stupid fast.”
  • AppSumo User Reviews
    “I love your vision to become an all-in-one optimisation plugin.”

Suggestions for pairing with other plugins/themes

  • Combination with EWWW Image Optimizer: Dual optimization of images and resources, one-stop full chain acceleration.
  • Page builder compatibility: Elementor, Divi, Beaver Builder, etc. can be used in conjunction with it to handle the loading of builder resources.
  • E-commerce/membership system integration: WooCommerce and Paid Memberships Pro users can utilize resource disabling to improve the loading speed of key pages.
  • CDN fit: Support for third-party CDNs such as Cloudflare, BunnyCDN, and more to speed up global access.
  • With the database optimization plug-in(e.g. WP-Optimize): further improve page responsiveness and overall performance.

Summarize

SWIS Performance, as a lightweight and efficient WordPress performance optimization plugin, does not rely on third-party services to achieve the core acceleration features, covering caching, resource optimization, script management and other key aspects. It provides a simple and reliable one-stop solution for sites pursuing site speed and user experience.

GPL License Information for This Plugin / Theme

This product is distributed under the GPL (General Public License) , ensuring it is safe and legally compliant. Click to learn more about What is the GPL license? | Click to view the WordPress official website's explanation of GPL.

Simply put, plugins and themes released under the GPL license have their source code openly shared, allowing users to legally modify, use, and redistribute them freely, supporting the continued growth of open-source software.

Important Note

  • The original developer of the plugin/theme mentioned in the title of this product has no official affiliation with us, and the company does not authorize us to sell its products or brands.
  • This product is a redistributed version of the plugin/theme, created by third-party developers and legally redistributed under the GPL license.

Naming and Purpose Statement

  • We use the plugin/theme name in the product title solely to indicate the origin of this GPL product and to help users better understand its features and intended use.
  • This page and the product descriptions are not intended to impersonate the official developers or create any confusion. All sales activities strictly comply with the GPL license, ensuring that users clearly understand they are receiving a distribution version based on open-source licensing.

User Rights

After purchasing this product, users can:
Use freely: Install and use it on multiple websites without additional licenses.
Modify freely: Adjust the code as needed to meet personalized requirements.
Redistribute freely: Share or redistribute the software within the scope of the GPL license.

Our goal is to support the growth of the open-source community while ensuring that users can access high-quality WordPress themes and plugins at a lower cost, safely and conveniently.

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