Sitesmaxxing / October 2026 calibration records 27 sites attempted: 15 tuning scans and 12 holdout attempts (11 successful). The landing page rounded averages, 8 for designed sites and 66 for AI-builder defaults, describe the tuning subset, not the combined set. Chrome renderer; optional visual review unavailable. This is a small development calibration, not an independent benchmark. Definitions at capture: 2026.11-v1.1. Tuning records {"category":"ai","host":"klyro-ai.lovable.app","score":81,"band":"E","readiness":75,"renderer":"chrome","checks":"L2:1 L3:1 T1:1 T3:1 T4:1 C3:1 I1:1 I3:1 W4:1 K3:1 K4:1 M1:1"} {"category":"ai","host":"cofoundersite.lovable.app","score":75,"band":"D","readiness":75,"renderer":"chrome","checks":"T1:1 T3:1 T4:1 C2:1 C3:1 I1:1 I3:1 W4:1 K4:1 M1:1"} {"category":"ai","host":"v0-saa-s-landing-page-seven-gules-t092hw9a5o.vercel.app","score":28,"band":"B","readiness":70,"renderer":"chrome","checks":"L7:1 T4:1 I5:0.5 W3:1 K4:1 X1:1 X2:1 X4:1"} {"category":"ai","host":"v0-saa-s-hero-section-blond.vercel.app","score":85,"band":"E","readiness":70,"renderer":"chrome","checks":"L3:1 L5:1 T1:1 T3:1 T4:1 C2:1 C3:1 I1:1 I3:1 I5:0.5 W1:1 W3:0.6 K4:1 M1:1"} {"category":"ai","host":"no-edit.lovable.app","score":63,"band":"D","readiness":61,"renderer":"chrome","checks":"L2:1 L3:1 T1:1 T2:1 T3:1 K3:1 K4:1 M1:1 X2:1 X4:1"} {"category":"ai","host":"fidelitygroups-main.lovable.app","score":61,"band":"D","readiness":75,"renderer":"chrome","checks":"T1:1 T3:1 T4:1 C3:1 W4:1 K4:1 M1:1 X2:1"} {"category":"des","host":"stripe.com","score":8,"band":"A","readiness":75,"renderer":"chrome","checks":"T2:1 C1:1 X1:1 X2:1"} {"category":"des","host":"linear.app","score":0,"band":"A","readiness":60,"renderer":"chrome","checks":"X1:1"} {"category":"des","host":"www.duolingo.com","score":0,"band":"A","readiness":50,"renderer":"chrome","checks":"T2:1 K2:1 X1:1 X2:1"} {"category":"des","host":"mailchimp.com","score":0,"band":"A","readiness":95,"renderer":"chrome","checks":"L2:1 X1:1 X2:1 X4:1"} {"category":"des","host":"www.pentagram.com","score":13,"band":"A","readiness":95,"renderer":"chrome","checks":"T2:1 I5:1 X2:1"} {"category":"des","host":"basecamp.com","score":29,"band":"B","readiness":70,"renderer":"chrome","checks":"T2:1 T4:1 C2:1 I2:1 W3:1 M2:1 X1:1 X2:1 X4:1"} {"category":"amb","host":"vercel.com","score":3,"band":"A","readiness":75,"renderer":"chrome","checks":"T1:1 X2:1 X4:1"} {"category":"amb","host":"cal.com","score":19,"band":"A","readiness":60,"renderer":"chrome","checks":"L2:1 W3:0.6 K4:0.5 X1:1"} {"category":"amb","host":"example.com","score":32,"band":"B","readiness":49,"renderer":"chrome","checks":"T1:1 I3:1 I5:0.5"} ai mean: 65.5 (6 scanned) des mean: 8.3 (6 scanned) amb mean: 18.0 (3 scanned) Holdout records {"category":"ai","host":"canvas-clone-co.lovable.app","score":65,"band":"D","readiness":95,"renderer":"chrome","checks":"L2:1 T1:1 T3:1 I1:1 I3:1 W3:0.6 K4:1"} {"category":"ai","host":"lovablemissions.lovable.app","score":7,"band":"A","readiness":55,"renderer":"chrome","checks":"W3:0.6 K4:1 M2:1 X1:1 X2:1 X4:1"} {"category":"ai","host":"v0-zero-entry.vercel.app","error":"Error: Target returned HTTP 402; no scan was saved."} {"category":"ai","host":"academy.lovable.app","score":6,"band":"A","readiness":50,"renderer":"chrome","checks":"W3:1 K4:1 X1:1 X2:1 X4:1"} {"category":"des","host":"www.airbnb.com","score":8,"band":"A","readiness":70,"renderer":"chrome","checks":"T2:1 I3:1 X1:1"} {"category":"des","host":"www.figma.com","score":14,"band":"A","readiness":70,"renderer":"chrome","checks":"T2:1 T4:1 W3:0.6 M1:1 X1:1 X2:1"} {"category":"des","host":"www.apple.com","score":0,"band":"A","readiness":65,"renderer":"chrome","checks":"T2:1 X2:1 X4:1"} {"category":"des","host":"craigmod.com","score":0,"band":"A","readiness":80,"renderer":"chrome","checks":"T2:1 X2:1"} {"category":"des","host":"www.notion.com","score":0,"band":"A","readiness":75,"renderer":"chrome","checks":"L1:1 X1:1 X2:1 X4:1"} {"category":"amb","host":"news.ycombinator.com","score":17,"band":"A","readiness":40,"renderer":"chrome","checks":"I3:1 I5:0.5"} {"category":"amb","host":"supabase.com","score":20,"band":"B","readiness":100,"renderer":"chrome","checks":"T1:1 T2:1 W3:1 X2:1 X4:1"} {"category":"amb","host":"resend.com","score":38,"band":"B","readiness":65,"renderer":"chrome","checks":"T1:1 T2:1 I3:1 I5:0.5"} ai mean: 26.0 (3 scanned) des mean: 4.4 (5 scanned) amb mean: 25.0 (3 scanned)