SW‑Page Speed Image Optimizer

SW‑Page Speed Image Optimizer

by PerfectApps

Site speed & image optimizer, lazy load, minify CSS JavaScript

4.8 of 5 stars(71 reviews)

Shopify page speed optimizer

Image Optimizer, Theme Optimizer will improve store speed and metrics on PageSpeed Insights. Automate & optimize daily without login to app

Minify theme for website speed

Page speed booster with preload. Reduce size of critical CSS inlining, JS (JavaScript), font cache, theme asset file. No coding required.

Lazy loading technology

With LazyLoad, you can defer the loading of PNG JPG images, pages until users need them. Vital for mobile web boost and increase conversion.

About SW‑Page Speed Image Optimizer

Shopify page speed & image optimization

Swift is a page speed solution for Shopify store owners. Swift offers an innovative approach that focuses strongly on Google Lighthouse, Core Web Vitals, and Shopify best practices to speed up your store performance in a few clicks.

Why is Online Store Speed important?

40% of people will abandon a website if it takes more than 3 seconds to load. That’s why every merchants should be optimized their website speed and have a powerful caching system at its core. A fast-loading site is more likely to rank higher in search engines (SEO), keep visitors stay longer, and increase conversion.

Advanced image optimizer

  • Using Smart Lossy compression technology to compresses and optimize images, which minimizes large image size without reducing their quality.
  • Image optimizer helps your store loading a 50kb image instead of a 500kb image without change of quality, lighter means faster.

Make your files lighter with minification and JavaScript deferral

  • Swift helps you to minify the JS, inline critical CSS , font, theme asset files to reduce page size and make them load faster.

Media files loaded only when needed

  • With our Lazy Load technology, you can automatically defer the loading of images, leaving them ”off-screen” until users need them.
  • Lazy-loading is a brilliant way of optimizing both perceived and real performance.

Auto Optimize process with new images and files to save tons of time

  • Instead of manually optimizing images & files, you can select our auto-optimization service. This allows you to optimize new images and files fully automated that you upload for your store, so you can focus more on your sales & business.

Speed up next-page navigations with preloading

  • Analyzing and predicting what page a visitor is going to visit next on a site or which link is most likely to be clicked. Then Swift preloads those contents in advance and delivers the page right after it is requested. Therefore, users would experience a very short waiting time.
  • This automate preloading technology makes your store faster 600 milliseconds on average from page loading time. By using AI, Swift provides the level-up prefetch techniques to increase 3x faster page speed more than other apps.

Site speed analysis and suggestions

  • We analyzed the performance of most popular apps like Pushowl, Tidio, Free Trust Badge, Quick announcement bar, Spin Wheel Popups, etc... to give you suggestions for mobile speed and desktop site speed

Additional benefits

  • No affect on your theme: Swift always saves your settings fully automate to help you undo every change that was made with Swift in a single click
  • Ease of use: Nothing special here, no coding required, just follow the instructions and click.
  • World-class support

Integrates with

  • Page Speed,
  • Google Speed,
  • Pagespeed Insights,
  • Google Analytics,
  • Compress Image,
  • Lighthouse

Media gallery


Pricing 7-day free trial



  • Speed ​​up your store by preloading next-page

  • Next-level preloading page based on Google Analytics

  • Boost branding with the loading screen



  • All in FREE

  • Optimize image (Free 1000/mo)

  • Minify JS and CSS files

  • Lazy Loading

  • Auto optimize daily

  • Free site speed analysis and suggestions

* All charges are billed in USD. Recurring charges, including monthly or usage-based charges, are billed every 30 days.

4.8 of 5 stars

The overall rating reflects the current state of the app. It accounts for all app reviews but prioritizes the most recent ones.
  • 5 of 5 stars
    93% of ratings are 5 stars
  • 4 of 5 stars
    3% of ratings are 4 stars
  • 3 of 5 stars
    1% of ratings are 3 stars
  • 2 of 5 stars
    0% of ratings are 2 stars
  • 1 of 5 stars
    3% of ratings are 1 stars

Most recent reviews


Got the information I needed from Tommy in support, the guy has the right information and advice. Would recommend the app for anyone looking to boost there speed score. Don't expect 100's though

Sam G Jewels

Awesome service. After installing the free trial their tech team ( a real human) actually noticed that my youtube video slowing down my site and messaged me about it...and is helping me with the issue! I've never had a company proactively reach out like that. Not to mention during a trial period... Super impressed !!

Developer reply

April 9, 2021

Hi there,

This is Eric from Swift ‑ Page Speed Optimizer Support Team. Thank you so much for your kind words. We really appreciate you taking the time out to share your experience with us. We count ourselves lucky for Swift users like you.

If you have any questions or need help, feel free to contact us at any time via our live chat or email us at support@perfectapps.io

Swift ‑ Page Speed Optimizer Support Team

Yvette's Hair & BEaUty

So far it is great. I am very excited about the change. I believe speed played a big factor in my conversion rate. Thanks

Developer reply

April 9, 2021

Hi there,

I am Andrew from Swift ‑ Page Speed Optimizer Support Team. Thank you so much for your greathearted review.

Here we are working very hard every day to provide you with the best service. Thank you for the loving words you've shared, and thank you for being the best part of Swift.

If you have any further questions, please feel free to contact us via our live chat, or email us at support@perfectapps.io, we will get back to you soonest.

Swift ‑ Page Speed Optimizer Support Team