Click or press any key to cycle • ESC to exit
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Resolution
Device Pixel Ratio
Color Depth
Orientation
Touch Support
CPU Cores (Logical)
RAM (approx)
GPU / Renderer
Platform
Architecture
Operating System
Browser
Language
Online Status
Cookies Enabled
JS Heap Used
JS Heap Total
Page Load Time
Connection Type
Est. Downlink
Not tested

Click a colour to enter fullscreen. Click or press any key to cycle. ESC to exit.

Not started
Frames Per Second (detected via requestAnimationFrame)
306090120144+

Use headphones or earphones for accurate left/right channel testing.

Not started
Not started
0/0 keys

Press every key on the physical keyboard. Keys turn green when registered. Untested keys after full press = hardware fault.

Online
Connection Type
Effective Type
Est. Downlink
Round Trip Time
Data Saver
Mbps
PING
JITTER
Not tested

Opens system Bluetooth scanner to verify the hardware adapter is present and working. Requires Chrome on HTTPS.

Loading...
Level
Charging
Time to Full Charge
Time to Empty
Recommendation

1. Note the battery percentage above (charger unplugged).
2. Plug in the charger — the Charging field should switch to Yes.
3. Unplug — should return to No.
4. If the status does not change, inspect the charging port or try a different charger.

Idle
0%
Press Start to load all CPU cores
Timer: 00:30
Fan Check: Under full CPU load, cooling fans should spin up within 20–30 seconds. Listen for fan noise and feel for warm air from the vents. A completely silent laptop under full load may indicate a faulty cooling system.
Not run
Math Operations (10M)
String Concat (100K)
Array Sort (1M items)
DOM Operations (1K)
Overall Score
Not tested

Draw on the canvas below. Each finger gets its own colour. Trackpad users: click and drag to test pointer tracking.

Touch points: 0  |  Total: 0
Session:  |  Date: