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Loadster

Loadster

Browser/RUM Commercial Hybrid

Frequently asked

Is it open source?

No. Loadster is listed as commercial.

What protocols does it support?

Loadster supports HTTP, HTTPS, WebSocket.

Is it cloud or self-hosted?

Loadster is listed as hybrid.

Is it still maintained?

Loadster is listed as active.

Loadster provides a desktop and cloud workflow for creating traffic scenarios and running load tests. It targets web applications and API performance testing.

About

Loadster is a cloud-based SaaS platform used for load testing, stress testing, and site/API monitoring of websites and web applications. It enables users to detect performance bottlenecks and site outages by simulating traffic from global cloud regions or self-hosted engines.

Features

  • Cloud-hybrid load testing (global cloud regions or self-hosted engines)
  • Site and API monitoring with active bots
  • Visual scripting for user flows
  • JavaScript-based Code Blocks for advanced logic and custom programming
  • Headless Chrome browser automation for user interaction simulations

Pricing

Loadster uses a usage-based 'Fuel' system. Options include monthly fuel plans (starting at $77/month) and pay-as-you-go fuel that does not expire. Custom and enterprise plans are available upon request.

Author / Company

Loadster, Inc., based in Phoenix, Arizona, United States.

GROUNDED VIA EXA · 2026-08-11

Signal notes