Reddit stopped working for a lot of people on Tuesday, a Tuesday in late July.

Users hit a failure screen on the site.

The app version also crashed for many trying to open it.

One outage monitor saw a wave of submissions surge in a short window.

Several news outlets confirmed the disruption covered different areas.

It was a big outage in terms of user impact.

Reddit representatives did not say what caused it at first.

No answers came out at first.