{
 "study": "SGR-004",
 "generated": "2026-10-04",
 "site_years": 4347,
 "sites": 161,
 "sites_measured": 158,
 "status": {
  "measured": 2950,
  "too_little_prose": 915,
  "bot_wall": 21,
  "archive_redirect": 12,
  "no_capture": 430,
  "render_failed": 19
 },
 "metrics": {
  "words": "Words of prose on the homepage",
  "avg_sentence_length": "Average sentence length (words)",
  "sentence_length_variance": "Sentence length variance",
  "comma_density": "Commas per sentence",
  "exclamation_rate": "Exclamation marks per 1,000 words",
  "contraction_frequency": "Contractions per 1,000 words",
  "pronoun_you": "Share of I/we/you pronouns that are 'you'",
  "pronoun_we": "Share of I/we/you pronouns that are 'we'",
  "word_long": "Share of long words",
  "em_dash_per1000": "Em and en dashes per 1,000 words",
  "em_only_per1000": "Em dashes per 1,000 words",
  "ai_tell_per1000": "ScriptGrain AI-tell density per 1,000 words",
  "ai_era_vocab_per1000": "AI-era marketing vocabulary per 1,000 words",
  "ai_era_style_per1000": "AI-era vocabulary, style words only (AI-topic phrases removed), per 1,000 words",
  "dotcom_vocab_per1000": "Dotcom corporate vocabulary per 1,000 words",
  "short_sentence_share": "Share of sentences under eight words"
 },
 "byYear": [
  {
   "year": 2000,
   "captured": 106,
   "measured": 39,
   "words": {
    "median": 169,
    "p25": 142.5,
    "p75": 248,
    "mean": 227.87
   },
   "avg_sentence_length": {
    "median": 7.9,
    "p25": 7.1,
    "p75": 9.81,
    "mean": 8.48
   },
   "sentence_length_variance": {
    "median": 19.96,
    "p25": 11.84,
    "p75": 42.55,
    "mean": 61.36
   },
   "comma_density": {
    "median": 0.31,
    "p25": 0.19,
    "p75": 0.46,
    "mean": 0.39
   },
   "exclamation_rate": {
    "median": 3.75,
    "p25": 0,
    "p75": 8.24,
    "mean": 8.11
   },
   "contraction_frequency": {
    "median": 8.77,
    "p25": 3.68,
    "p75": 14.52,
    "mean": 10.73
   },
   "pronoun_you": {
    "median": 0.6,
    "p25": 0.5,
    "p75": 0.72,
    "mean": 0.6
   },
   "pronoun_we": {
    "median": 0.3,
    "p25": 0.19,
    "p75": 0.44,
    "mean": 0.32
   },
   "word_long": {
    "median": 0.21,
    "p25": 0.14,
    "p75": 0.26,
    "mean": 0.21
   },
   "em_dash_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.09
   },
   "em_only_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.09
   },
   "ai_tell_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.06
   },
   "ai_era_vocab_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.42
   },
   "ai_era_style_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.42
   },
   "dotcom_vocab_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 2.29,
    "mean": 3.65
   },
   "short_sentence_share": {
    "median": 0.62,
    "p25": 0.44,
    "p75": 0.71,
    "mean": 0.58
   },
   "share_with_ai_era_vocab": 0.08,
   "share_with_em_dash": 0.03,
   "share_with_em_only": 0.03,
   "share_with_exclamation": 0.54
  },
  {
   "year": 2001,
   "captured": 117,
   "measured": 54,
   "words": {
    "median": 192,
    "p25": 124.25,
    "p75": 296.25,
    "mean": 254.43
   },
   "avg_sentence_length": {
    "median": 8.22,
    "p25": 6.7,
    "p75": 10.38,
    "mean": 8.99
   },
   "sentence_length_variance": {
    "median": 26.47,
    "p25": 12.54,
    "p75": 56.78,
    "mean": 48.63
   },
   "comma_density": {
    "median": 0.31,
    "p25": 0.16,
    "p75": 0.52,
    "mean": 0.41
   },
   "exclamation_rate": {
    "median": 3.23,
    "p25": 0,
    "p75": 13.21,
    "mean": 9.26
   },
   "contraction_frequency": {
    "median": 10.09,
    "p25": 5.71,
    "p75": 16.25,
    "mean": 11.88
   },
   "pronoun_you": {
    "median": 0.67,
    "p25": 0.5,
    "p75": 0.89,
    "mean": 0.66
   },
   "pronoun_we": {
    "median": 0.3,
    "p25": 0.08,
    "p75": 0.45,
    "mean": 0.31
   },
   "word_long": {
    "median": 0.21,
    "p25": 0.16,
    "p75": 0.24,
    "mean": 0.21
   },
   "em_dash_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.47
   },
   "em_only_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.47
   },
   "ai_tell_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.02
   },
   "ai_era_vocab_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.49
   },
   "ai_era_style_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.49
   },
   "dotcom_vocab_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 4.47,
    "mean": 3.18
   },
   "short_sentence_share": {
    "median": 0.56,
    "p25": 0.45,
    "p75": 0.72,
    "mean": 0.57
   },
   "share_with_ai_era_vocab": 0.09,
   "share_with_em_dash": 0.07,
   "share_with_em_only": 0.07,
   "share_with_exclamation": 0.52
  },
  {
   "year": 2002,
   "captured": 122,
   "measured": 60,
   "words": {
    "median": 174.5,
    "p25": 129.75,
    "p75": 304.25,
    "mean": 235.9
   },
   "avg_sentence_length": {
    "median": 7.69,
    "p25": 6.45,
    "p75": 9.18,
    "mean": 8.79
   },
   "sentence_length_variance": {
    "median": 21.21,
    "p25": 10.7,
    "p75": 59.9,
    "mean": 108
   },
   "comma_density": {
    "median": 0.32,
    "p25": 0.17,
    "p75": 0.51,
    "mean": 0.37
   },
   "exclamation_rate": {
    "median": 0,
    "p25": 0,
    "p75": 7.65,
    "mean": 6.55
   },
   "contraction_frequency": {
    "median": 7.8,
    "p25": 0,
    "p75": 14,
    "mean": 9.39
   },
   "pronoun_you": {
    "median": 0.63,
    "p25": 0.38,
    "p75": 0.9,
    "mean": 0.62
   },
   "pronoun_we": {
    "median": 0.25,
    "p25": 0.02,
    "p75": 0.55,
    "mean": 0.32
   },
   "word_long": {
    "median": 0.22,
    "p25": 0.16,
    "p75": 0.26,
    "mean": 0.22
   },
   "em_dash_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.99
   },
   "em_only_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.62
   },
   "ai_tell_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.42
   },
   "ai_era_vocab_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.29
   },
   "ai_era_style_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.29
   },
   "dotcom_vocab_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 2.76,
    "mean": 2.41
   },
   "short_sentence_share": {
    "median": 0.63,
    "p25": 0.49,
    "p75": 0.74,
    "mean": 0.61
   },
   "share_with_ai_era_vocab": 0.05,
   "share_with_em_dash": 0.12,
   "share_with_em_only": 0.08,
   "share_with_exclamation": 0.45
  },
  {
   "year": 2003,
   "captured": 124,
   "measured": 63,
   "words": {
    "median": 235,
    "p25": 134,
    "p75": 318,
    "mean": 267.56
   },
   "avg_sentence_length": {
    "median": 7.84,
    "p25": 6.65,
    "p75": 9.84,
    "mean": 12.07
   },
   "sentence_length_variance": {
    "median": 24.03,
    "p25": 12.68,
    "p75": 55.24,
    "mean": 338.78
   },
   "comma_density": {
    "median": 0.25,
    "p25": 0.1,
    "p75": 0.48,
    "mean": 0.31
   },
   "exclamation_rate": {
    "median": 0,
    "p25": 0,
    "p75": 5.96,
    "mean": 4.54
   },
   "contraction_frequency": {
    "median": 7.3,
    "p25": 0,
    "p75": 12.39,
    "mean": 9.05
   },
   "pronoun_you": {
    "median": 0.63,
    "p25": 0.38,
    "p75": 0.78,
    "mean": 0.58
   },
   "pronoun_we": {
    "median": 0.25,
    "p25": 0.13,
    "p75": 0.5,
    "mean": 0.32
   },
   "word_long": {
    "median": 0.2,
    "p25": 0.16,
    "p75": 0.26,
    "mean": 0.22
   },
   "em_dash_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.54
   },
   "em_only_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.29
   },
   "ai_tell_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.43
   },
   "ai_era_vocab_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.24
   },
   "ai_era_style_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.24
   },
   "dotcom_vocab_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 5.35,
    "mean": 3.28
   },
   "short_sentence_share": {
    "median": 0.62,
    "p25": 0.48,
    "p75": 0.74,
    "mean": 0.59
   },
   "share_with_ai_era_vocab": 0.06,
   "share_with_em_dash": 0.1,
   "share_with_em_only": 0.05,
   "share_with_exclamation": 0.37
  },
  {
   "year": 2004,
   "captured": 130,
   "measured": 74,
   "words": {
    "median": 227,
    "p25": 133,
    "p75": 318.75,
    "mean": 266.84
   },
   "avg_sentence_length": {
    "median": 8.11,
    "p25": 6.99,
    "p75": 10.04,
    "mean": 11.14
   },
   "sentence_length_variance": {
    "median": 27.36,
    "p25": 11.65,
    "p75": 76.12,
    "mean": 259.95
   },
   "comma_density": {
    "median": 0.21,
    "p25": 0.06,
    "p75": 0.43,
    "mean": 0.32
   },
   "exclamation_rate": {
    "median": 0,
    "p25": 0,
    "p75": 5.76,
    "mean": 4.21
   },
   "contraction_frequency": {
    "median": 6.49,
    "p25": 0,
    "p75": 10.28,
    "mean": 8.66
   },
   "pronoun_you": {
    "median": 0.57,
    "p25": 0.42,
    "p75": 0.75,
    "mean": 0.56
   },
   "pronoun_we": {
    "median": 0.33,
    "p25": 0.17,
    "p75": 0.5,
    "mean": 0.37
   },
   "word_long": {
    "median": 0.2,
    "p25": 0.15,
    "p75": 0.27,
    "mean": 0.22
   },
   "em_dash_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.92
   },
   "em_only_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.77
   },
   "ai_tell_per1000": {
    "median": 0,
    "p25": 0,
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    "mean": 0.32
   },
   "ai_era_vocab_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.11
   },
   "ai_era_style_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.11
   },
   "dotcom_vocab_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 5.8,
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   },
   "short_sentence_share": {
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    "p25": 0.46,
    "p75": 0.71,
    "mean": 0.6
   },
   "share_with_ai_era_vocab": 0.05,
   "share_with_em_dash": 0.12,
   "share_with_em_only": 0.08,
   "share_with_exclamation": 0.39
  },
  {
   "year": 2005,
   "captured": 140,
   "measured": 82,
   "words": {
    "median": 209,
    "p25": 147,
    "p75": 318.25,
    "mean": 277.5
   },
   "avg_sentence_length": {
    "median": 8.09,
    "p25": 6.82,
    "p75": 10.93,
    "mean": 11.94
   },
   "sentence_length_variance": {
    "median": 32.59,
    "p25": 14.12,
    "p75": 91.54,
    "mean": 364.09
   },
   "comma_density": {
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    "p25": 0.11,
    "p75": 0.4,
    "mean": 0.32
   },
   "exclamation_rate": {
    "median": 0,
    "p25": 0,
    "p75": 4.84,
    "mean": 4.83
   },
   "contraction_frequency": {
    "median": 5.87,
    "p25": 0,
    "p75": 13.14,
    "mean": 8.44
   },
   "pronoun_you": {
    "median": 0.6,
    "p25": 0.35,
    "p75": 0.74,
    "mean": 0.57
   },
   "pronoun_we": {
    "median": 0.33,
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    "p75": 0.5,
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   },
   "word_long": {
    "median": 0.21,
    "p25": 0.18,
    "p75": 0.27,
    "mean": 0.22
   },
   "em_dash_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.99
   },
   "em_only_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.69
   },
   "ai_tell_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.75
   },
   "ai_era_vocab_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.14
   },
   "ai_era_style_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.14
   },
   "dotcom_vocab_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 3.47,
    "mean": 2.62
   },
   "short_sentence_share": {
    "median": 0.63,
    "p25": 0.48,
    "p75": 0.72,
    "mean": 0.61
   },
   "share_with_ai_era_vocab": 0.06,
   "share_with_em_dash": 0.16,
   "share_with_em_only": 0.1,
   "share_with_exclamation": 0.38
  },
  {
   "year": 2006,
   "captured": 142,
   "measured": 101,
   "words": {
    "median": 247,
    "p25": 154,
    "p75": 335,
    "mean": 298.47
   },
   "avg_sentence_length": {
    "median": 8.19,
    "p25": 6.09,
    "p75": 10.15,
    "mean": 9.55
   },
   "sentence_length_variance": {
    "median": 25.87,
    "p25": 11.36,
    "p75": 60.02,
    "mean": 252.95
   },
   "comma_density": {
    "median": 0.24,
    "p25": 0.1,
    "p75": 0.42,
    "mean": 0.32
   },
   "exclamation_rate": {
    "median": 0,
    "p25": 0,
    "p75": 3.58,
    "mean": 3.47
   },
   "contraction_frequency": {
    "median": 5.46,
    "p25": 0,
    "p75": 10.7,
    "mean": 7.55
   },
   "pronoun_you": {
    "median": 0.58,
    "p25": 0.29,
    "p75": 0.75,
    "mean": 0.52
   },
   "pronoun_we": {
    "median": 0.33,
    "p25": 0.07,
    "p75": 0.59,
    "mean": 0.38
   },
   "word_long": {
    "median": 0.21,
    "p25": 0.17,
    "p75": 0.25,
    "mean": 0.22
   },
   "em_dash_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 1.17
   },
   "em_only_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.65
   },
   "ai_tell_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.11
   },
   "ai_era_vocab_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.24
   },
   "ai_era_style_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.24
   },
   "dotcom_vocab_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 3.86,
    "mean": 2.7
   },
   "short_sentence_share": {
    "median": 0.65,
    "p25": 0.5,
    "p75": 0.81,
    "mean": 0.64
   },
   "share_with_ai_era_vocab": 0.07,
   "share_with_em_dash": 0.2,
   "share_with_em_only": 0.1,
   "share_with_exclamation": 0.35
  },
  {
   "year": 2007,
   "captured": 142,
   "measured": 103,
   "words": {
    "median": 245,
    "p25": 183.5,
    "p75": 364,
    "mean": 302.23
   },
   "avg_sentence_length": {
    "median": 8.03,
    "p25": 6.71,
    "p75": 9.74,
    "mean": 9.23
   },
   "sentence_length_variance": {
    "median": 24.53,
    "p25": 14.28,
    "p75": 58.33,
    "mean": 248.38
   },
   "comma_density": {
    "median": 0.22,
    "p25": 0.15,
    "p75": 0.4,
    "mean": 0.3
   },
   "exclamation_rate": {
    "median": 0,
    "p25": 0,
    "p75": 2.95,
    "mean": 2.52
   },
   "contraction_frequency": {
    "median": 6.3,
    "p25": 2.76,
    "p75": 12.1,
    "mean": 8.16
   },
   "pronoun_you": {
    "median": 0.64,
    "p25": 0.38,
    "p75": 0.83,
    "mean": 0.58
   },
   "pronoun_we": {
    "median": 0.25,
    "p25": 0,
    "p75": 0.5,
    "mean": 0.32
   },
   "word_long": {
    "median": 0.21,
    "p25": 0.17,
    "p75": 0.25,
    "mean": 0.21
   },
   "em_dash_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 1.18
   },
   "em_only_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.39
   },
   "ai_tell_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.18
   },
   "ai_era_vocab_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.58
   },
   "ai_era_style_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 0,
    "mean": 0.58
   },
   "dotcom_vocab_per1000": {
    "median": 0,
    "p25": 0,
    "p75": 3.51,
    "mean": 2.07
   },
   "short_sentence_share": {
    "median": 0.66,
    "p25": 0.51,
    "p75": 0.78,
    "mean": 0.65
   },
   "share_with_ai_era_vocab": 0.1,
   "share_with_em_dash": 0.18,
   "share_with_em_only": 0.09,
   "share_with_exclamation": 0.33
  },
  {
   "year": 2008,
   "captured": 136,
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