Crazyload Page Speed Optimizer

Develop by Shopify

$25-$95

/ Month

Free plan available 5 Days Free Trial

Instantly load your pages, increase conversion rates & sales

Image optimization

Continuous monitoring

Lazyload

Minification

Dynamic preload

Theme turbo-charging

Script processing

Css & js deferral

Automatic compression

About Crazyload Page Speed Optimizer

Launched Nov 27, 2023

Built by Shopify

Address

Toldboden 3, 2.D, Viborg, 8800, DK

Website Support Portal Privacy policy Tutorial FAQ Document

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Description

CrazyLoad maximizes your store speed in one click. Instantly load your site & improve your sales.

Improve your page load speed with CrazyLoad because every millisecond counts. Don't let slow page loads cost you potential sales or hurt your SEO rankings. CrazyLoad ensures your Shopify store runs at peak performance, whether on mobile or desktop. Harness our cutting-edge features like Dynamic Preload, efficient image optimization, theme turbo-charging, and streamlined script processing. Install our speed app and maximize your Google PageSpeed Insights & GTmetrix scores.

Boost PageSpeed & GTmetrix scores with professional speed optimization.
AI-powered speed up personalized for your site with LazyLoad, CSS & JS deferral
We continuously scan your site for new images & automatically compress them
Javascript & CSS minification to make your website as small & quick as possible
Automatic monitoring & caching of new Shopify apps to make your site load faster

Pros

Load your pages up to 10x faster, which can enhance user experience and potentially increase conversion rates and sales
Improves SEO rankings by reducing page load times
Optimizes performance on both mobile and desktop platforms
Features like Dynamic Preload, efficient image optimization, theme turbo-charging, and streamlined script processing
Maximizes Google PageSpeed Insights and GTmetrix scores
AI-powered personalized speed optimizations, including LazyLoad, CSS & JS deferral
Continuous scanning and automatic compression of new images
Javascript & CSS minification for reduced website size and faster performance
Automatic monitoring and caching of new Shopify apps to maintain fast load speeds
Significantly increases page load speeds, potentially up to 10x faster
Enhances overall Shopify store performance, crucial for both mobile and desktop
Includes Dynamic Preload and efficient image optimization
Features like theme turbo-charging and streamlined script processing
Improves Google PageSpeed Insights & GTmetrix scores
AI-powered speed optimizations personalized for individual sites
Automatic image compression and continuous monitoring for new images
Javascript & CSS minification for faster load times
Automatic caching of new Shopify apps for better performance

Cons

May require technical knowledge to fully utilize all features and optimizations
Potential conflicts with other Shopify apps or themes
Dependency on the app's regular updates and support for new Shopify functionalities
Not all users may see the promised 10x speed increase, results may vary
Potential complexity in initial setup and configuration
May require ongoing monitoring to ensure optimal performance
Cost implications if the app has premium features or a subscription model
Compatibility issues with some themes or other installed apps
Possible over-reliance on automatic optimizations without manual checks

Top Helpful Reviews

Meadow Light Co Online

Jan 26, 2026 on Shopify

Crazyload dropped our site load times quickly especially on mobile where we were losing most visitors. The app runs in the background and doesn’t need much attention after install, which is perfect for me since i’m busy with marketing.

Aivanaliving Store

Jan 13, 2026 on Shopify

Sometimes it’s a little confusing to see exactly what changed behind the scenes or which adjustment caused the biggest impact, especially when multiple things are optimized at once. but overall we clearly saw site load times drop after installing it. I also like that it works automatically in the background and doesn’t need constant attention or manual tweaking to keep things running well.

Solmist Home Biz

Jan 12, 2026 on Shopify

Page load times dropped pretty fast after setup, especially on mobile which was our main issue before. the dashboard could be clearer and a bit more beginner-friendly, but once you understand it, the performance gains are definitely worth it and noticeable across the store.

Brightmill Studio Art

Jan 04, 2026 on Shopify

Love that i didnt need any tech skills to use this. Crazyload did most of the optimization for me and now pages load much faster even during high traffic times.

Bloom Fort Kids Biz

Jan 03, 2026 on Shopify

Nice tool for optimizing performance. sometimes I’m not totally sure what changed, but the speed gains speak for themselves and bounce rate dropped a bit.

Moonvale Living Online

Dec 28, 2025 on Shopify

its been good so far but some of the features took me a bit to understand. overall tho it helped reduce load times especially on mobile which was a big win for us.

Moonlush Bedroom Co Art

Dec 21, 2025 on Shopify

Honestly I forgot I even installed it until I checked my analytics later. Pages were loading faster and bounce rate was slightly better.

Nutrivio Fit

Dec 14, 2025 on Shopify

My shop has a ton of photos and it used to feel heavy. Crazyload made it significantly faster, at least that’s what my analytics are showing.

Eco Bubbly Goods World

Dec 10, 2025 on Shopify

I dont know much about optimization stuff but my site definitely feels snappier. Customers even commented that it loads quick now.

Handsomoclub Shop

Dec 03, 2025 on Shopify

I work on Shopify stores constantly, and I’m pretty picky about performance tools. A lot of “speed apps” promise improvements but end up injecting heavy scripts, messing with lazy loading, or creating layout shifts that cause more problems than they solve. CrazyLoad is one of the rare apps that actually improves performance without breaking anything.

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