| Rank | Board name and description | Alexa ranking | Posts | Members |
|---|
| 1 | Literotica
Adult stories and erotic literature message boards | 542 | 23404268 | 831207 |
| 2 | Harry Potter
Harry Potter official forums from warnerbros.com | 811 | 6012000 | 437000 |
| 3 | Foros de Telemundo
General forums for Latin America | 4497 | 4948047 | 64269 |
| 4 | Brainburst
Magic the gathering forum | 19476 | 992164 | 80502 |
| 5 | Able2know
General knowledge exchange forums | 24020 | 2815662 | 75470 |
| 6 | EN World
General roleplaying message boards | 27636 | 4218890 | 69783 |
| 7 | The Lord of the Rings Online
MMORPG message board | 32479 | 1150510 | 112885 |
| 8 | LOTR: O
The official forums for The Lord of the Rings Online MMORPG | 32479 | 1150512 | 112885 |
| 9 | Absolute Write Water Cooler
Writers community | 46176 | 6668084 | 39675 |
| 10 | Lord of the rings plaza
Lord of the rings fanatics forums | 52281 | 878738 | 85727 |
| 11 | Chronicles Network
Science-Fiction and Fantasy forums | 53938 | 950349 | 19873 |
| 12 | Emma Watson
Emma Watson fan forums | 56175 | 185052 | 3077 |
| 13 | FictionAlley Park
Fiction stories writing message boards | 56861 | 1734029 | 113681 |
| 14 | Valinor
Brazilian discussion board about J.R.R. Tolkien | 62635 | 2020568 | 52069 |
| 15 | 40k Online
Warhammer 40k message boards | 80282 | 1840366 | 29372 |
| 16 | Kvinneguiden
Norvegian forums dedicated to women talk | 91398 | 4260216 | 12769 |
| 17 | Star Destroyer
Star Wars, Star Trek and Sci-Fi forums | 123808 | 2639474 | 3887 |
| 18 | A Song of Ice and Fire
Forums dedicated to the 'A Song of Ice and Fire' fantasy series by George R. R. Martin | 124311 | 241618 | 4056 |
| 19 | Henneth Annun
Lord of the Rings and Tolkien fans community (in russian) | 139095 | 586372 | 8318 |
| 20 | Chamber of Secrets
Harry Potter message boards | 167994 | 1617909 | 97735 |
| 21 | Snitch Seeker
Harry Potter forums | 181320 | 1455512 | 60330 |
| 22 | The Dark Tower
Stephen King's The Dark Tower fans forum | 211674 | 1212854 | 21985 |
| 23 | Herr der ringe film
Lords of the rings fans forum (in german) | 214708 | 1461050 | 12745 |
| 24 | Horror Channel
Horror movies and series forum | 214839 | 645725 | 14477 |
| 25 | Elbenwald forum
Lords of the rings fans community (german) | 227985 | 1683200 | 9545 |
| 26 | Spacebattles.com
3D Frontier sci-fi community | 242171 | 3963532 | 29623 |
| 27 | SciFi Forum
German Star Trek fans community | 251133 | 1757819 | 21931 |
| 28 | DarkMark.com
Harry Potter message boards | 318500 | 569020 | 22783 |
| 29 | Shinra Online
General discussion board | 331730 | 336710 | 11345 |
| 30 | Leaky Lounge
Harry Potter community | 331936 | 1139339 | 72025 |
| 31 | Darkness forum
Vampires and darkness message boards | 385111 | 2017701 | 15304 |
| 32 | Nightly.net
Star Wars and other popular series forum | 499024 | 792776 | 20281 |
| 33 | The One Ring
Tolkien and Lord of the Rings forums | 743043 | 3040131 | 58110 |
| 34 | Ex Isle
Science Fiction forums | 1076033 | 1309942 | 2571 |
| 35 | Someplace Somewhere
Philosophy and art community | 2449173 | 686381 | 847 |
| 36 | Portent Forums - discontinued
Warhammer 40,000 message boards | 4123790 | 2176130 | 35056 |
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