.critical-css { }
@media screen
performance++
{ optimize: true }

Powerful Features

Everything you need to optimize your Core Web Vitals

Lightning Fast Generation

Generate critical CSS in seconds using our high-performance node clusters.

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Multi-Device Support

Automatically generate critical CSS for Desktop, Tablet, and Mobile viewports.

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SEO Optimized

Improve your Google PageSpeed scores and Core Web Vitals instantly.

🔌

Robust API

Integrate critical CSS generation directly into your CI/CD pipeline.

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Secure & Private

Your data is processed securely and never shared with third parties.

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24/7 Support

Our dedicated support team is available 24/7 to help you with any issues or questions.

How It Works

01

Analyze

We scan your URL using a headless browser to understand your page structure and resources.

02

Extract

Our AI-driven engine identifies the Critical CSS needed for above-the-fold content.

03

Optimize

The extracted CSS is minified and optimized for maximum performance.

04

Deliver

You receive the clean Critical CSS ready to be inline in your HTML.

Technical Specifications

Browser Engine

Powered by the latest Chromium engine for accurate rendering.

Processing Speed

Average generation time under 2 seconds.

Security

Enterprise-grade encryption and data protection.

Perfect For

E-Commerce

Boost conversions by speeding up product pages.

News & Media

Deliver content instantly to your readers.

SaaS Applications

Improve user onboarding with a snappy interface.

Ready to Boost Your Site Speed?

Get Started for Free