Blur Busters UFO Motion Tests with ghosting test, 30fps vs 60fps, 120hz vs 144hz vs 240hz, PWM test, motion blur test, judder test, benchmarks, and more.

Notice for Developers, Browser Vendors & Standards Groups: Yes, useragent detection is not recommended. However, whitelisting was necessary for scientific-quality VSYNC.

ATTENTION - You have reached a top secret beta test UFO research facility. Use of alien abduction force is authorized. Restricted area. It is unlawful to enter this area without …

These animations are accurate only in a stutter-free web browser. Check your Web Browser to verify (Windows Aero, Primary Monitor, etc).

This screen compares frame rates with horizontally scrolling text marquees. If using a 120Hz monitor, then 120fps is automatically included (30fps vs 60fps vs 120fps) in supported browsers.

(3) Check photo for frame skipping. Compare to example good photo and example frameskipped photo. The photo should have a sequence of multiple solid squares, with no gaps in between. …

This test simulates the FreeSync variable refresh rate (VRR) technology. FreeSync eliminate stutters by varying the refresh rate to exactly match a fluctuating frame rate.

Type of Display: This test shows motion blur on common LCD displays and most OLED displays. (See Why Do Some OLED Displays Have Motion Blur? - If you are using ULMB or LightBoost …

TestUFO: HDR and WCG Test

TestUFO: Ghosting / Pursuit Camera / Pixel Response Test. This test reveals ghosting, coronas, and overdrive artifacts. See LCD Motion Artifacts 101: Introduction and LCD Motion Artifacts: …