Web-Based Computer Stress Test

0:00
Tips: close other tabs, keep this tab in front, and test for 10+ minutes so heat builds up. Unplug to measure battery drain; plug in to check the charger.
Idle
–Mops/s
Workers–Initial–vs initial–Errors0
Idle
–Gops/s
vs initial–Checks–FPS–Load–Resets0
Idle
–MB under test
Target–Bandwidth–Passes0Errors0
Idle
–MB/s write–MB/s read
Phase–Passes0Errors0API–File–
Idle
–ms latency
Down–Up–Jitter–Failed–Server–Drops0
Power & thermalalways onIdle
–battery
Power–Drain–Thermal–UI freeze–Screen lock–Background–

Settings

The network test needs down.php and up.php on a web server with PHP (see the README). Opened from that server, the page finds them automatically. If this page is opened over https://, the server must be https:// too.
If the tab crashes during the RAM test, choose a lower RAM percentage.

Peripherals

Check each item, then mark it Pass or Fail. Results are added to the report.
Webcam
Not started.
Microphone
Not started.
Speakers
Left and Right should come only from that side. During the sweep (100 Hz → 10 kHz) listen for rattling, buzzing or dropouts. Check the system volume first.
Keyboard Press every key
Other keys detected: none
Trackpad / touch
Move or drag across every square. Try left, right and middle clicks, scrolling, and multi-finger touch.