Plugin
Updated
Swift Performance
Swift Performance by SWTE is a WordPress plugin for speeding up page loads. It combines caching, preloading, JavaScript and CSS handling, critical CSS generation and automated image optimization, with automatic configuration so you can get started without tuning every setting by hand.
- Version
- 2.3.7.3
- Released
- Feb 25, 2025
- Developer
- SWTE
- Type
- WordPress plugin
- Licence
- GPL
- Included in
- Every plan, or $3.99 a year on its own
What’s new in Swift Performance 2.3.7.3
Version 2.3.7.3 · Feb 25, 2025
Latest
What it does
Slow pages usually come down to a handful of causes: heavy images, render-blocking CSS, JavaScript that ties up the browser, fonts that load late and layouts that jump around while content arrives. Fixing each one manually takes time and some technical knowledge. This plugin bundles fixes for those issues into one tool and uses an AI-driven approach to analyze how resources load for real visitors, then adjusts loading behavior automatically instead of asking you to set everything up yourself.
The work is organized around Core Web Vitals and related metrics. Preloading of images, fonts and other assets targets Largest Contentful Paint, critical CSS targets First Contentful Paint, and JavaScript management addresses input delay and Interaction to Next Paint, including on logged-in and non-cacheable pages. Caching and third-party tool support help with Time to First Byte. It suits blogs, business sites and client projects on both mobile and desktop.
Best for
- Bloggers who want faster pages without manual tuning
- Business sites working on Core Web Vitals scores
- Freelancers and agencies optimizing several client sites
Features
AI-driven automatic optimization
Analyzes how your site loads resources for real users and fine-tunes that loading automatically, so you do not have to configure every option manually.
Asset preloading
Preloads critical images, fonts and other assets to improve Largest Contentful Paint and display the first meaningful content sooner on mobile and desktop.
JavaScript execution management
Manages how JavaScript is parsed and executed to reduce First Input Delay, and this works on logged-in and non-cacheable pages as well.
Layout shift reduction
Optimizes CSS, JavaScript and fonts based on real-world usage to keep elements from jumping around and lower Cumulative Layout Shift.
Critical CSS generation
Generates critical CSS and preloads essential resources to improve First Contentful Paint, including for visitors on slow mobile connections.
Interaction to Next Paint handling
Applies techniques aimed at keeping pages responsive after the initial load, so clicks and taps get a quicker visual response.
Caching and server response
Combines caching, preloading and support for third-party tools to help pages respond faster from the first server byte.
Automated image optimization
Includes automated image optimization that reduces file weight while aiming to keep good visual quality for your photos and graphics.
Swift Performance older versions
- 2.3.7.2Dec 6, 2024
- 2.3.7.1Aug 8, 2024
- 2.3.7Jul 3, 2024
- 2.3.6.20May 18, 2024
- 2.3.6.19May 7, 2024
- 2.3.6.18Apr 26, 2024
- 2.3.6.17Apr 24, 2024
- 2.3.6.16Mar 1, 2024
- 2.3.6.15Nov 25, 2023
- 2.3.6.14Nov 10, 2023
Members and buyers of this product can download older versions.
12 older versions in all. If you need one that is not listed, ask support.
Questions about Swift Performance
Do I need technical knowledge to set it up?
No deep technical knowledge is needed. The plugin uses automatic configuration and an AI-driven process that analyzes your site's resource loading and adjusts it for you, so most of the optimization happens without you tuning individual settings.
Which Core Web Vitals does it target?
It addresses Largest Contentful Paint through preloading, Cumulative Layout Shift through CSS, JavaScript and font optimization, and First Input Delay and Interaction to Next Paint through JavaScript management. It also works on First Contentful Paint with critical CSS and on Time to First Byte with caching.
Does it help pages that can't be cached, like logged-in views?
Yes. Its JavaScript optimization is described as working on logged-in and non-cacheable pages too, which helps member areas, dashboards and similar pages where full page caching is not an option.
Does it optimize images as well?
Yes. It includes automated image optimization that aims to balance visual quality with smaller file sizes, so you can handle image weight alongside caching and code optimization in the same plugin.
Is Swift Performance free?
The code of Swift Performance is licensed under the GPL, so anyone may use, change and share it. GPL Feast is a paid service: a plan or a single purchase gives you the download and automatic updates. The developer's own support, licence key and online services are not included.
Which version of Swift Performance is this?
Version 2.3.7.3, released Feb 25, 2025. New versions appear here when the developer publishes them, and members get them as automatic updates.
How do I update Swift Performance?
Install the free GPL Feast Updater on your site and connect it with your API key. It installs new versions of Swift Performance automatically and keeps a backup, so you can roll back.
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