Inline ‑ Critical CSS for Shopify

Inline ‑ Critical CSS

Speed up your online store by generating critical css
Rating
3.6
Feedback
8
Reviews
Chart
#6,873
Shopify

All reviews

5 / 5 Share
Nov. 15, 2025

Great app. Simple to use and seems to be effective.

Store Using app Total reviews Average rating
Home Team Heroes 3 months 4 2.3
Developer Reply

Thank you so much for your 5-star review! We're glad to hear you find the app simple to use and effective. We really appreciate your support!

5 / 5 Share
Dec. 31, 2024

KRAZY! That's all I can say. What a totally brilliant app. For a measly $10 our Pagespeed score went up >25%. How can you beat that? Try the app – you'll see. And then once you experience what we've experienced – continue to periodically rerun the app from time to time, to sort out changes that you make to your store. Possibly the best $10 investment ever!

Store Using app Total reviews Average rating
ExcellentSupply.com 13 days 67 4.3
5 / 5 Share
Dec. 5, 2021

The app does a more measurable progress on mobile download speed increasing First Contentful Paint which was around 3.4 s on a collection page, now app installed it is about 1.3 s. Overall our Google Pagespeed score increased around 5 - 8 points for the same collection page.

Store Using app Total reviews Average rating
Cymbal House 22 minutes 34 4.2
5 / 5 Share
Oct. 25, 2021

A quick and easy way that made our site snappier with first visits and slower connections where the browser needs to initial cache. This did not make lighthouse faster for us, perhaps a misconception of what critical CSS does, but it does make real world load time faster and lowered our blocking time.

Store Using app Total reviews Average rating
CARZILLA 2 days 8 5.0
5 / 5 Share
Aug. 23, 2021

"Instant pagespeed increase for $10... yeah right?!" That's exactly what I said when I saw this app but thought I'd give it a go anyway, SO GLAD I DID! Having spent a few days trying to boost the speed of our store and only getting marginal gains my research lead me to this app. The install was super easy and instantly flagged up some unseen errors in my CSS (blame my template creators for that!), once I fixed those the app did its thing and added a snippet to the head for the critical css, I could then confidently move all the remaining stuff to the end of the body. I ran a pagespeed test before installation on the different page types and again after installation (plus cache clearing). I'm happy to report a very significant pagespeed increase across all pages! I had a few noob questions and the support was spot on and helpful. Honestly, this is a seriously good value for money app and really worth trying!

Store Using app Total reviews Average rating
Skatewarehouse.co.uk 3 days 3 5.0
5 / 5 Share
Aug. 4, 2021

One day since install opinion: This helps us stream line our CSS and in conjunction with some other fixes we were able to get our page speed score up from a 28 to a 90(at its peak on mobile)! Great customer service, alex responding quickly and was ready to help however we needed. This is a one man team and he's doing great job!

Store Using app Total reviews Average rating
NatureCity About 20 hours 10 4.9

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