April 2026
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Global Rank
#85,380
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Bounce Rate
38.77%
Pages per Visit
11.45
Avg Visit Duration
00:09:42
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Top 10 isfdb.org Competitors
The Top 10 Sites Like isfdb.org in April 2026 are ranked by their affinity to isfdb.org in terms of keyword traffic, audience targeting, and market overlap
welcome to the fourth edition of the encyclopedia of science fiction.
Global Rank
#331,630
8,526Bounce Rate
45.38%
Pages per Visit
2.15
Avg Visit Duration
00:01:15
Similarity Score
100%browse bestselling fiction authors, books and series in order. sign up to follow authors; keep track of your books; discover new books from our recommendations.
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Global Rank
#13,582
1,056Bounce Rate
34.25%
Pages per Visit
7.00
Avg Visit Duration
00:05:04
Similarity Score
92%Discover and share books you love on Goodreads, the world's largest site for readers and book recommendations!
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- Goodreads
Global Rank
#408
11Bounce Rate
45.18%
Pages per Visit
4.94
Avg Visit Duration
00:04:38
Similarity Score
85%The Hugo Award, also known as the Science Fiction Achievement Award, is given annually by the World Science Fiction Society (WSFS).Complete Hugo Award novel listing from 1953-2025
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Global Rank
#376,954
380,239Bounce Rate
40.84%
Pages per Visit
7.46
Avg Visit Duration
00:01:06
Similarity Score
82%- Company
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Global Rank
#1,451,819
112,008Bounce Rate
44.62%
Pages per Visit
2.12
Avg Visit Duration
00:00:48
Similarity Score
78%dedicated to howard phillips lovecraft, the 20th century master of weird fiction, who died in 1937.
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Global Rank
#149,906
2,447Bounce Rate
43.83%
Pages per Visit
2.76
Avg Visit Duration
00:01:57
Similarity Score
74%- Company
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Global Rank
#3,148,978
469,873Bounce Rate
54.32%
Pages per Visit
1.80
Avg Visit Duration
00:00:40
Similarity Score
71%- Company
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Global Rank
#420,327
133,802Bounce Rate
48.25%
Pages per Visit
1.63
Avg Visit Duration
00:00:27
Similarity Score
67%- Company
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Global Rank
#167,825
5,770Bounce Rate
43.67%
Pages per Visit
2.39
Avg Visit Duration
00:01:36
Similarity Score
64%"Which species has stronger telepathy, creates stronger, more believable illusions?" and more great discussions about Memory Alpha
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Global Rank
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Country Rank
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Category Rank
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Bounce Rate
55.23%
Pages per Visit
4.18
Avg Visit Duration
00:04:00
Similarity Score
61%isfdb.org's top 5 competitors in April 2026 are: sf-encyclopedia.com, fantasticfiction.com, goodreads.com, worldswithoutend.com, and more.
According to Similarweb data of monthly visits, isfdb.org’s top competitor in April 2026 is sf-encyclopedia.com. isfdb.org 2nd most similar site is fantasticfiction.com, and closing off the top 3 is goodreads.com.
worldswithoutend.com ranks as the 4th most similar website to isfdb.org and fancyclopedia.org ranks fifth in April 2026.
The other five competitors in the top 10 list are hplovecraft.com, speculativeliterature.org, blackgate.com, rpggeek.com, and memory-alpha.fandom.com.