Embed the Reaction Time Test (Free Widget)

Quick start

Paste this where you want the test to appear. It is responsive, works on phones, and needs no scripts or sign-up:

<iframe src="https://reactscore.com/embed/" title="Reaction Time Test by ReactScore" width="100%" height="640" style="border:0;border-radius:16px;max-width:640px" loading="lazy"></iframe>

Live preview

This is exactly what your visitors will see and play:

Compact size

Tighter on space (sidebars, narrow columns)? Use the compact version:

<iframe src="https://reactscore.com/embed/" title="Reaction Time Test by ReactScore" width="100%" height="560" style="border:0;border-radius:14px;max-width:420px" loading="lazy"></iframe>

The only rule

The widget is free to use anywhere, including commercial sites. The single condition is that you keep the small "Reaction test by ReactScore" link that sits under the test. It is already built in, so you do not have to add anything. Please do not remove or hide it.

Good places to use it

Gaming sites and wikis: let readers test the reflexes you are writing about.
Teachers and classrooms: a quick, safe, no-login demo of reaction time and the scientific method.
Driving and road-safety pages: pair it with the driving reaction test to show stopping distance.
Blogs and newsletters: an interactive hook that keeps people on your page longer.

Questions

Want a different size, a light or dark default, or a specific test mode (audio, F1 start, go/no-go) embedded instead? Get in touch and I will help you set it up. You can also explore all the reaction tools first to pick the one that fits your page.