They also explicitly state that you are to make no more than 30 requests/minute[1], or restated, no more than once every 2 seconds.

1. https://github.com/reddit/reddit/wiki/API

That's for the API. I don't think the official web site counts.

They also mention Greasemonkey scripts, which is functionally the same as running script from your console, so I believe it'd still apply.

Either way, it's probably a good guide to follow if nothing else -- I mean, reddit still has near-daily capacity issues.