cross-posted from: https://lemmy.world/post/50434194
Proton VPN’s pricing page exposed an ab-test identifier linked to two VPN Plus prices: €2.99/month (70% off) and €3.49/month (65% off). Repeated testing produced B → A → B → A → B, with the variant matching the rendered price each time. €12 difference over 24 months.



Ah thanks for spelling it out for me. English isn’t my mother tongue, so for me both several times shorter and twice shorter felt somehow wrong. So I thought they were equally wrong. Thanks for explaining!