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Thunder Page Speed Optimizer

Boost pagespeed, fix slow apps, and monitor your CoreWebVitals

by Enigma Apps · Launched: May 2022 · Free plan available.

4.9 (51) on Shopify Used by 11 Shopify stores

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Boost website speed with Thunder's automated speed optimizing technology. Get better SEO & Sales.

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About Thunder Page Speed Optimizer

Slow loading times, poor performance and errors result in frustrated customers, lost money, SEO and Low Conversions Rates.Thunder puts an end to slow websites with 1 click.Our fully automated technology will take care of all page elements that slow down your website without you lifting a finger!We fix apps slowing down your website, we optimize images, we make your theme lightning fast and all this and more will significantly boost your Google Page Speed Score. Massively speed your store up. Boost SEO score. Lower CPMs. Fix apps and themes that slow down your store speed score. Faster websites = Less frustrated customers = More Sales Instant "Above The Fold" loading + Predictive preloading webpage technology Image compression, LazyLoaded images, Deferral of non-essential JavaScript code Show more Show less

Last verified: August 8, 2026 · Fresh

App details

Developer
Enigma Apps
Category
Store design
Pricing
Free plan available
Launched
May 2022
Rating
4.9 (51) on Shopify

Key features

  • Critical CSS
  • JS/CSS Minification
  • Predictive Link Preloading
  • Email Support
  • Image compression
Integrations with:

Core Web Vitals Google PageSpeed Insights Javascript Page Speed Pagespeed Optimizer Shopify Admin Speed Booster

4 plans · starts free · 7-day free trial

Free Plan

Free

Advanced

$19.99/month

Visitor Insights

$69/month

AI Agent

$199/month

Plans and prices as listed on the Shopify App Store.

Ratings & reviews

based on 107 Shopify App Store reviews

Use the arrows to read individual reviews

Really impressed with Thunder Page Speed. My store feels faster and the app is very easy to use. I like that I don’t have to be a technical expert to get the benefits. It’s been a great addition to my store and definitely worth trying if you care about your site speed.
— Bolt Decals
Thunder Page Speed Optimizer has been a great addition to my Shopify store. It’s simple to use, and I noticed an improvement in my store’s loading speed without having to deal with complicated settings. Definitely a useful app for anyone looking to improve their Shopify store’s performance and customer experience.
— Outlet-veilingshop.be
Super easy to use and works really well. Setup was quick, and it’s been a great addition to my store.
— Der Geheimtipp
Thunder has noticeably improved my store's speed and overall performance. Setup was simple, and everything works smoothly.
— Marivelle Home
Thunder Page Speed really helped my shopify stores to get faster and the impact it had on our SEO efforts was visible only after few months. Now I am putting Thunder on every shopify store we open because it is really worth it knowing there is someone constantly making sure your website is as fast as possible.
— Anume Naturals
Excellent app with useful features. Setup was simple, and the performance has been great. The support team responds quickly whenever I have questions. Highly recommend!
— CHU
The automatic speed optimizations are a life saver! We make a lot of updates on our website and it makes us so much more confident when we know everything is optimized. Our speed score improved significantly few weeks after installing Thunder page speed! Recommended!
— veloriaespaña
No doubt the best speed optimization app on the app store. I’ve tested them all and only Thunder Page Speed managed to resolve the issues automatically. The product is top notch and they are constantly updating it and adding new functions.
— livarouae
Great app with an easy setup and excellent performance. It helped improve my store experience, and everything works smoothly. The support team is quick to respond and very helpful. Highly recommended!
— Porush Mart
The support is very responsive and helpful and the app works great
— Luxivio
We struggled with slow page speed for long time as we use a lot of apps on our shopify store. Thunder helped us double our speed score on Page Speed Insights and now we are even passing Core Web Vitals! Highly recommend the app!
— 𝐔𝐑𝐁𝐀𝐍 𝐍𝐎𝐕𝐀𝐒
We’ve had great speed improvements to our shopify store thanks to the Thunder Page Speed optimizations. We had issues with third party apps that got resolved thanks to the app. The communication with the team is very easy and they are always happy to assist us!
— Luxivio
This app is a scam. There are getting fake review. There team is doing scam with people. They used my store to get fake review. I apeal shopify to block there app. Also I want to avoid people for providing fake review to this app they are not paying to the store owners. They all are Scammers.
— redtrinket
bad support and speed of site still not good
— Mary Luxe Boutique
Theme editor stopped working after was removed. Site editor is messed badly.
— Vinusto
Sir, I did not use your app, can you clear its charges or not?
— www.trendswind.com
I can’t open the operation page all the time, and there is no reply to the email contact. There is no reply after contacting for three times in a row. Extremely bad service
— NONNICO
Upon first install the app worked as expected. The past 48 hours the app has glitched and when opened in Shopify it presents a white/blank screen with no further instructions/links or error codes. I reached out both times with no response back. I uninstalled and reinstalled the app thinking a crucial update was missed; however there was no change. App was uninstalled permanently and other venues h...
— MIRootsCreations
I hate giving poor reviews, but this app simply isn't working at all. At first I only saw a blank screen when opening the app. Ok, the app support responded quite fast to solve the issue and confirmed it was a bug on their/Shopifys side. But then the optimization page just freezed and nothing happened. I didn't see any kind of progress on the dashboard or in the history tab. And now I'm back to se...
— SPIRIT - beauty excellence
Critical css, image resize not working on my website. Not sure if prefetching works. Within the code of loading bar and therefor sort of hidden, a link to https://www.w3.org/ creates "the largest contentful element" with error, read by website speed anaylizers also as an error, somehow registers for a higher speed. The only true benefit using this app was compressing the css file and nothing more...
— Cymbal House

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