{
  "title": "More than half of new launches ask you to act and give you no evidence at all",
  "url": "https://uxxray.com/research/no-evidence/",
  "author": "Ben Peetermans",
  "published": "2026-08-09",
  "engine": "Roentgen 1.20.1",
  "license": "https://uxxray.com/fair-use/",
  "population": "launch-directory sources only (dir:*, fazier, product-hunt, hn-*), one row per funnel, blocked excluded",
  "cohort": {
    "n": 1086,
    "avg_score": 39.9,
    "avg_pages_walked": 2.12,
    "avg_tactics": 3.58,
    "zero_social_proof": {
      "n": 688,
      "pct": 63
    },
    "bands": {
      "sparse": {
        "n": 518,
        "share": "47.7%",
        "tactics_per_page": 1.25,
        "pages_walked": 1.63
      },
      "thin": {
        "n": 282,
        "share": "26.0%",
        "tactics_per_page": 2.29,
        "pages_walked": 2.26
      },
      "partial": {
        "n": 199,
        "share": "18.3%",
        "tactics_per_page": 2.36,
        "pages_walked": 2.79
      },
      "strong": {
        "n": 77,
        "share": "7.1%",
        "tactics_per_page": 2.58,
        "pages_walked": 2.99
      },
      "excellent": {
        "n": 10,
        "share": "0.9%",
        "tactics_per_page": 2.24,
        "pages_walked": 3.6
      }
    }
  },
  "overlap_sample": {
    "n": 362,
    "method": "every third funnel",
    "makes_ask": 252,
    "makes_ask_pct": 70,
    "asks_with_zero_proof": 138,
    "asks_with_zero_proof_pct_of_askers": 55
  },
  "crawl_outcomes": {
    "attempted": 796,
    "blocked": 42,
    "errored": 45,
    "block_pct": 5
  },
  "prior_study": {
    "n": 94,
    "zero_proof_pct": 74,
    "url": "https://uxxray.com/research/launch-autopsy/"
  },
  "limitations": [
    "Launch-directory sourced, so skews SaaS and developer tooling and self-selects for products seeking attention",
    "Sample sizes are not interchangeable: 1086 cohort, 362 overlap sub-sample, 252 asking subset",
    "Score is coverage of applicable tactics, not quality",
    "Scores freeze at crawl time"
  ],
  "endpoints": {
    "corpus_stats": "https://api.uxxray.com/api/v1/corpus/stats",
    "league": "https://api.uxxray.com/api/v1/league?limit=5000",
    "teardown": "https://api.uxxray.com/api/v1/teardown/{slug}",
    "patterns": "https://api.uxxray.com/api/v1/patterns"
  }
}