2,800 The two serious panels disagree on the device gap: Littledata's 2,800 mostly small and mid-size Shopify stores show mobile at 1.2% versus desktop at 1.9%, while Dynamic Yield's enterprise panel over the twelve months to June 2026 shows mobile at 2.86% actually edging out desktop at 2.46%.
39% The levers with the strongest published evidence are unglamorous: reveal full costs early (39% of US abandoners cite cost surprises), keep guest checkout default (the documented 300 million dollar button raised purchasing customers 45%), cut checkout fields toward Baymard's ideal 12 to 14, and get mobile LCP under Google's 2.5s line.
, A zero-budget CRO quarter is measurement first, leaks second, experiments last: days 1 to 14 build the baseline, days 15 to 45 remove the leaks that published research has already convicted, days 46 to 90 run one honest change at a time.