Shopify App : Pagespeed Optimizer ‑ JS & CSS

Remove unused Javascript & increase your Pagespeed Score

About Pagespeed Optimizer ‑ JS & CSS

Removed unused Javascript : Decide where exactly you want to load Javascript from 3rd party apps and where not. Get full control over your store!

Improve Loading Times : Defer global Javascript to prioritize the important resources of your website by enabling our Javascript optimizer.

Increase Pagespeed Score : Increase your Pagespeed Score and your User Experience by improving the speed of your Website! Get Started Today!

Google Pagespeed Google Insights Pagespeed Optimizer

Why should I optimize my Pagespeed Score?

Google search has made the Core Web Vitals an important ranking factor to rank fast & efficient websites higher than websites that are slow and with a lot of clutter. Improve your Pagespeed Score and get higher search engine rankings (SEO)!

Remove 3rd Party Javascript Files

Many apps load a lot of Javascript Files to all of your store's pages. Remove these from pages you don't need them and gain back control over your store!

No additional Resouces loaded

Pagespeed Optimizer does not load any additional Javascript files into your theme. We found a way to improve your store without adding any clutter!


First Contentful Paint and Largest Contentful Paints are the bottlenecks of your Pagespeed Score? Removing unused Javascript speeds up both!

See results immediately

Right after installing, you can start by removing unused Javascript from your pages and see your results immediately!

App Images
Launch date
October 13, 2021
App rating
Top features

Seamless workflow: use directly in Shopify admin

Speed tested: no impact to your online store

About the Author

Matej Kontros

Matej Kontros is an E-Commerce expert and app developer with over a decade of professional experience in IT.

Matej has worked for organisations of all types and sizes, including global players, startups, and agencies. He designed, developed, and maintained complex projects.

Matej's expertise includes e-commerce, software engineering, web development, systems administration, internet security, managing projects, and building teams.

Visit his website at [ Web Linkedin ] or contact him at