Triptych of dark dunes, blue structures and a pale ocean
Local media stress test · v1.0

Make the web
feel fast.

A purpose-built playground for testing local images, video decoding, JSON requests, scroll behavior and real-time UI response.

Live session00:00.0
PERF SCORE
Inspect signals
DOM ready milliseconds
Resources requests observed
Transfer local payload
FPS sample frames / second

02 / Motion pipeline

Play. Pause.
Observe.

Local H.264 payload Ambient sequence / 00:08
Playing

03 / Network + UI

Data with
a pulse.

The cards at right are rendered from /data.json. Refetch the file, shuffle results, or simulate slower rendering to inspect UI responsiveness.

Waiting for initial request…
Fetched experiments0 entries
Image decode JSON fetch Video playback DOM updates Scroll observers Image decode JSON fetch Video playback DOM updates Scroll observers
Performance snapshot refreshed.