
Loadster
Loader.io
k6 Cloud
LoadForge
LoadUIWeb
LoadFocus
Loadium
OctoPerf
MoniForm
SmartBear
UptimeRobot
Loadster is a cloud-based load testing and synthetic monitoring platform for engineers who want to know how their applications behave under real traffic.
Tests run with three types of bots: Protocol Bots for HTTP testing, headless Browser Bots that render full pages and execute JavaScript in real Chrome browsers, and Playwright bots for when you want to use Playwright JS directly.
Loadster scripts can be recorded from Chrome or Firefox with the Loadster Recorder extension, edited in a built-in editor with variables, datasets, and shared includes, and then replayed from multiple cloud regions.
Each test run returns detailed page timings (TTFB, FCP, LCP, CLS, etc) alongside resource waterfalls, screenshots, and full traces you can step through in a self-hosted trace viewer. Tests scale from a handful of virtual users (bots) to hundreds of thousands across distributed cloud engines without you provisioning anything.
The same scripts can be set up as monitors that run on a schedule from chosen regions. Notification policies route incidents to email, SMS, voice, or integrations like Slack and PagerDuty. Projects, roles, and shared test history keep teams aligned on what passed, what failed, and what changed.
Pricing is usage-based via Loadster Fuel, with 50 free units on sign-up and no credit card to start.
Loadster
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MoniForm's answer:
Unlike the competition, no need to install anything. Works on any form.
MoniForm's answer:
Anyone with a website.
MoniForm's answer:
After working with hundreds of websites with broken contact forms, and manually having to test them, we thought there had to be a better way. So we created MoniForm to use with our clients. Then we thought other website owners might want to use this tool.
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