April 2026
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Global Rank
#389,045
7,103Showing Similarweb estimated data.
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Bounce Rate
46.24%
Pages per Visit
2.15
Avg Visit Duration
00:00:52
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Top 10 illusionsindex.org Competitors
The Top 10 Sites Like illusionsindex.org in April 2026 are ranked by their affinity to illusionsindex.org in terms of keyword traffic, audience targeting, and market overlap
Demonstration of the Craik-O’Brien-Cornsweet illusion
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Global Rank
#351,621
69,743Bounce Rate
39.83%
Pages per Visit
2.44
Avg Visit Duration
00:00:48
Similarity Score
100%- Company
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Global Rank
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Country Rank
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Category Rank
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Bounce Rate
81.45%
Pages per Visit
1.40
Avg Visit Duration
00:00:28
Similarity Score
98%- Company
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Global Rank
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Country Rank
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Category Rank
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Bounce Rate
49.98%
Pages per Visit
1.82
Avg Visit Duration
00:00:14
Similarity Score
93%Top 10 finalists in the 2010 Contest
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Global Rank
#3,296,301
1,180,363Bounce Rate
58.07%
Pages per Visit
1.78
Avg Visit Duration
00:00:58
Similarity Score
89%Step into the World of Illusion! A unique attraction offering entertainment, learning, and fun for all ages. Plan your visit now.
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Bounce Rate
62.14%
Pages per Visit
2.26
Avg Visit Duration
00:00:59
Similarity Score
88%A stunning optical illusion by Gianni Sarcone. Master of Numbers (Genius of Numbers) uses numbers to create a hidden portrait and challenge perception.
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Global Rank
#5,103,916
899,389Bounce Rate
63.26%
Pages per Visit
1.72
Avg Visit Duration
00:00:31
Similarity Score
87%- Company
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Global Rank
#912,649
160,727Bounce Rate
46.54%
Pages per Visit
1.51
Avg Visit Duration
00:00:24
Similarity Score
86%- Company
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Global Rank
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Bounce Rate
49.18%
Pages per Visit
2.18
Avg Visit Duration
00:00:52
Similarity Score
85%Give Today We can’t do it without you. Your generosity will allow Salk to remain at the forefront of foundational research. Please consider a gift or pledge using one of the methods outlined below.
Global Rank
#215,073
3,082Bounce Rate
42.97%
Pages per Visit
2.36
Avg Visit Duration
00:01:10
Similarity Score
84%- Company
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Global Rank
#2,186,789
218,849Bounce Rate
49.81%
Pages per Visit
1.69
Avg Visit Duration
00:00:22
Similarity Score
79%illusionsindex.org's top 5 competitors in April 2026 are: michaelbach.de, persci.mit.edu, perception.jhu.edu, illusionoftheyear.com, and more.
According to Similarweb data of monthly visits, illusionsindex.org’s top competitor in April 2026 is michaelbach.de. illusionsindex.org 2nd most similar site is persci.mit.edu, and closing off the top 3 is perception.jhu.edu.
illusionoftheyear.com ranks as the 4th most similar website to illusionsindex.org and worldofillusion.ie ranks fifth in April 2026.
The other five competitors in the top 10 list are giannisarcone.com, optics4kids.org, coglab.cengage.com, salk.edu, and elvers.us.