{"id":669,"slug":"akamai-soasta-2017-100ms-7pct-mobile","title":"Akamai/SOASTA (2017, ~10B visits): 100ms delay = -2.4% desktop / -7.1% smartphone conversions; 2s delay = -36.5% desktop / -26.2% mobile","kind":"reference","scope":"business","status":"current","audiences":["kevin","smb-owner","candid-team"],"topics":["measurement","conversion-rate"],"reference_body":"**Claim:** Akamai's 2017 *State of Online Retail Performance* analyzed ~10 billion user visits across top online retailers.\n\n- 100ms delay → -2.4% desktop, -7.1% smartphone, -3.8% tablet conversions.\n- 2-second delay → -36.5% desktop, -26.2% mobile, -25.1% tablet conversions.\n\n**Counterintuitive finding:** desktop users were *more conversion-sensitive*, but mobile users were *more bounce-sensitive* — mobile users leave faster; desktop completers abandon further down the funnel.\n\n**Source:** Akamai *State of Online Retail Performance* (ir.akamai.com / akamai.com newsroom).\n\n**Confidence:** High for the measurement; **dated** for application — cite as a historical retail e-commerce benchmark from 2017, not a universal current law. See [[stats-not-supported-by-evidence]] for the \"1-second delay = 7% conversion loss\" myth that derives from this.","rationale_body":null,"metadata":null,"links":{"outgoing":[{"slug":"stats-not-supported-by-evidence","title":"Speed/conversion stats commonly cited but NOT supported by primary evidence in 2026 — Candid will not quote these","kind":"rule","scope":"business","link_type":"relates-to"}],"incoming":[]},"created_at":"2026-05-22T21:24:18.362Z","updated_at":"2026-05-22T21:24:18.362Z"}