Critical CSS Generator

Critical CSS Generator is an API service that extracts and delivers above-the-fold CSS for any given URL. By focusing only on the styles needed for the initial render, it helps improve page load speed, reduce render-blocking resources, and enhance overall Core Web Vitals performance. Ideal for developers looking to optimize website performance with minimal effort.

27 subscribers
9.4/10 popularity
437 ms avg latency
94% success rate
2 endpoints
The in-depth APIMemo review for this API hasn't been published yet — the data below comes straight from the public marketplace listing.

Critical CSS Generator endpoints

MethodEndpointDescription
POST Enque Critical
/critical
Enqueue a task to generate Critical CSS for a given webpage URL.
GET Get Task Result Endpoint
/critical/{id}
Poll the task status and retrieve the generated Critical CSS once it's completed.

Critical CSS Generator pricing

PlanPriceRate limitQuotas
BASIC Free
  • Tasks: 50 / monthly
  • Requests: 200 / monthly
PRO $10 / month 40 / minute
  • Tasks: 1,000 / monthly
  • Requests: 5,000 / monthly
ULTRA $50 / month 60 / minute
  • Tasks: 6,000 / monthly
  • Requests: 30,000 / monthly
MEGA $100 / month 120 / minute
  • Tasks: 15,000 / monthly
  • Requests: 75,000 / monthly

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