Below are a few interesting tidbits taken from the site's web statistics during 2019 based upon most visits to these sections of the website.
An asterisk(*) denotes that a particular item was not in the top list last year.
Most Popular Books 2019
CASEFILES
Casefiles #1: Dead On Target (http://www.hardyboyscasefiles.com/series/casefiles.php?book_no=1)
Casefiles 32: Blood Money (http://www.hardyboyscasefiles.com/series/casefiles.php?book_no=32)*
Casefiles #2: Evil, Inc. (http://www.hardyboyscasefiles.com/series/casefiles.php?book_no=2)
Casefiles #33: Collision Course (http://www.hardyboyscasefiles.com/series/casefiles.php?book_no=33)*
Casefiles #11: Brother Against Brother (http://www.hardyboyscasefiles.com/series/casefiles.php?book_no=11)*
NANCY DREW AND HARDY BOYS SUPERMYSTERY
SuperMystery #2: A Crime for Christmas (http://www.hardyboyscasefiles.com/series/nancydrew.php?book_no=2)
SuperMystery #1: Double Crossing (http://www.hardyboyscasefiles.com/series/nancydrew.php?book_no=1)
SuperMystery #36: Process of Elimination (http://www.hardyboyscasefiles.com/series/nancydrew.php?book_no=36)
SuperMystery #5: The Last Resort (http://www.hardyboyscasefiles.com/series/nancydrew.php?book_no=5)
SuperMystery #30: Nightmare in New Orleans (http://www.hardyboyscasefiles.com/series/nancydrew.php?book_no=30)*
UNDERCOVER BROTHERS
UB #1: Extreme Danger (http://www.hardyboyscasefiles.com/series/undercoverbrothers.php?book_no=1)
UB #13: The Mummy's Curse (http://www.hardyboyscasefiles.com/series/undercoverbrothers.php?book_no=13)
UB #8: Top Ten Ways to Die (http://www.hardyboyscasefiles.com/series/undercoverbrothers.php?book_no=8)
UB #5: Rocky Road (http://www.hardyboyscasefiles.com/series/undercoverbrothers.php?book_no=5)*
UB #11: Hurricane Joe (http://www.hardyboyscasefiles.com/series/undercoverbrothers.php?book_no=11)*
NANCY DREW AND THE HARDY BOYS SUPERMYSTERY
SuperMystery #1: Terror on Tour (http://www.hardyboyscasefiles.com/series/girldetective.php?book_no=1)
SuperMystery #2: Danger Overseas (http://www.hardyboyscasefiles.com/series/girldetective.php?book_no=2)
SuperMystery #4: Gold Medal Murder (http://www.hardyboyscasefiles.com/series/girldetective.php?book_no=4)
SuperMystery #3: Club Dread (http://www.hardyboyscasefiles.com/series/girldetective.php?book_no=3)*
SuperMystery #5: Bonfire Masquerade (http://www.hardyboyscasefiles.com/series/girldetective.php?book_no=5)
UNDERCOVER BROTHERS GRAPHIC NOVELS
Graphic Novel #9: To Die or Not to Die (http://www.hardyboyscasefiles.com/series/papercutz.php?book_no=9)
Graphic Novel #7: The Opposite Numbers (http://www.hardyboyscasefiles.com/series/papercutz.php?book_no=7)*
Graphic Novel #2: Identity Theft (http://www.hardyboyscasefiles.com/series/papercutz.php?book_no=2)
Graphic Novel #3: Mad House (http://www.hardyboyscasefiles.com/series/papercutz.php?book_no=3)*
Graphic Novel #10: A Hardy Day's Night (http://www.hardyboyscasefiles.com/series/papercutz.php?book_no=10)
ADVENTURES
Adventure #1: Secret of the Red Arrow (http://www.hardyboyscasefiles.com/series/adventures.php?book_no=1)
Adventure #3: The Vanishing Game (http://www.hardyboyscasefiles.com/series/adventures.php?book_no=3)
Adventure #16: Stolen Identity (http://www.hardyboyscasefiles.com/series/adventures.php?book_no=16)
Adventure #14: Attack of the Bayport Beast (http://www.hardyboyscasefiles.com/series/adventures.php?book_no=14)*
Adventure #18: The Disappearance (http://www.hardyboyscasefiles.com/series/adventures.php?book_no=18)*
SECRET FILES
Secret Files #3: Mystery Map (http://www.hardyboyscasefiles.com/series/secretfiles.php?book_no=3)
Secret Files #1: Trouble at the Arcade (http://www.hardyboyscasefiles.com/series/secretfiles.php?book_no=1)
Secret Files #6: The Bicycle Thief (http://www.hardyboyscasefiles.com/series/secretfiles.php?book_no=6)
Secret Files #8: Sports Sabotage (http://www.hardyboyscasefiles.com/series/secretfiles.php?book_no=8)
Secret Files #2: The Missing Mitt (http://www.hardyboyscasefiles.com/series/secretfiles.php?book_no=2)
MYSTERIES/DIGESTS
Mystery #1: The Tower Treasure (http://www.hardyboyscasefiles.com/series/originals.php?book_no=1)
Mystery #190: Motocross Madness (http://www.hardyboyscasefiles.com/series/originals.php?book_no=190)
Mystery #189: One False Step (http://www.hardyboyscasefiles.com/series/originals.php?book_no=189)*
Mystery #2: The House on the Cliff (http://www.hardyboyscasefiles.com/series/originals.php?book_no=2)
Mystery #4: The Missing Chums (http://www.hardyboyscasefiles.com/series/originals.php?book_no=4)
CLUES BROTHERS
Clues Brother #1: The Gross Ghost Mystery (http://www.hardyboyscasefiles.com/series/cluesbrothers.php?book_no=1)
Clues Brother #2: The Karate Clue (http://www.hardyboyscasefiles.com/series/cluesbrothers.php?book_no=2)
Clues Brother #3: First Day, Worst Day (http://www.hardyboyscasefiles.com/series/cluesbrothers.php?book_no=3)
Clues Brother #17: The Bike Race Ruckus (http://www.hardyboyscasefiles.com/series/cluesbrothers.php?book_no=17)
Clues Brother #11: The Monster in the Lake (http://www.hardyboyscasefiles.com/series/cluesbrothers.php?book_no=11)*
Most Popular Wallpapers 2019
CASEFILES (wallpapers found at the bottom of each casefile 1-33 page)
Casefile #32: Blood Money (http://www.hardyboyscasefiles.com/series/casefiles.php?book_no=32)*
Casefile #1: Dead On Target (http://www.hardyboyscasefiles.com/series/casefiles.php?book_no=1)
Casefile #3: Cult of Crime (http://www.hardyboyscasefiles.com/series/casefiles.php?book_no=3)*
Casefile #9: The Genius Thieves (http://www.hardyboyscasefiles.com/series/casefiles.php?book_no=9)*
Casefile #24 Scene Of The Crime (http://www.hardyboyscasefiles.com/series/casefiles.php?book_no=24)*
Most Popular Off-site Links 2019
WEBSITES
HDA The Sequel (https://hdathesequel.proboards.com/)
the hardy boys unofficial home page (https://hardyboys.us/)
The Hardy Boys Online (http://www.hardyboysonline.net)
The Hardy Boys Adventures (http://hardyboysseries.com)
Simon and Schuster (https://www.simonandschuster.com/search/books/Author-Franklin-W-Dixon/_/N-1z13w4l/)*
Most Popular Database Entries 2019
CHARACTERS
Frank Hardy (http://www.hardyboyscasefiles.com/encyclopedia.php?entry_id=1)
Joe Hardy (http://www.hardyboyscasefiles.com/encyclopedia.php?entry_id=2)
Fenton Hardy (http://www.hardyboyscasefiles.com/encyclopedia.php?entry_id=8)
Callie Shaw (http://www.hardyboyscasefiles.com/encyclopedia.php?entry_id=15)
Chet Morton (http://www.hardyboyscasefiles.com/encyclopedia.php?entry_id=11)
Iola Morton (http://www.hardyboyscasefiles.com/encyclopedia.php?entry_id=12)
Aunt Gertrude Hardy (http://www.hardyboyscasefiles.com/encyclopedia.php?entry_id=17)
Biff Hooper (http://www.hardyboyscasefiles.com/encyclopedia.php?entry_id=10)
Vanessa Bender (http://www.hardyboyscasefiles.com/encyclopedia.php?entry_id=3)*
Laura Hardy (http://www.hardyboyscasefiles.com/encyclopedia.php?entry_id=9)
PLACES and THINGS
Hurricane Miranda (http://www.hardyboyscasefiles.com/encyclopedia.php?entry_id=269)
Barmet Bay (http://www.hardyboyscasefiles.com/encyclopedia.php?entry_id=353)
Hardy Van (http://www.hardyboyscasefiles.com/encyclopedia.php?entry_id=853)
Bayport (http://www.hardyboyscasefiles.com/encyclopedia.php?entry_id=352)
Assassins (http://www.hardyboyscasefiles.com/encyclopedia.php?entry_id=229)
Most Popular Forum Topics 2019
FORUM TOPICS MOST VIEWED
Reading Levels (http://www.hardyboyscasefiles.com/forums/index.php?topic=312.0)
Quotes (http://www.hardyboyscasefiles.com/forums/index.php?topic=339.0)
Good fanfics (http://www.hardyboyscasefiles.com/forums/index.php?topic=2799.0)*
Hardy Boys Fanfiction story. (http://www.hardyboyscasefiles.com/forums/index.php?topic=2131.15)
Free Casefiles (http://www.hardyboyscasefiles.com/forums/index.php?topic=492.0)
Most Popular Social Sources 2019
TOP SOCIAL PLATFORMS
Wikia (http://hardyboys.wikia.com/wiki/The_Hardy_Boys_Wiki)
Facebook (https://www.facebook.com/hardyboysencyclopedia)
Pinterest (https://www.pinterest.com/skywarppro/hardy-boys-casefiles/)
Twitter (https://twitter.com/HardyBoysCases)