We seem to be stuck in a loop of discussing and debating the efficacy of setting our metering at 1/2/3/4/5 articles for driving engagement, registration and subscription.

Is there, or could there be, a way to definitively prove which metering levels work best by split testing. 50% of visitors get X articles before the metering limit and 50% get Y.

Importantly we want to see who actually registers not just who triggers the limit.