July 2026
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Global Rank
#706,384
211,030Showing Similarweb estimated data.
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Bounce Rate
42.41%
Pages per Visit
1.85
Avg Visit Duration
00:00:43
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Top 10 optics4kids.org Competitors
The Top 10 Sites Like optics4kids.org in July 2026 are ranked by their affinity to optics4kids.org in terms of keyword traffic, audience targeting, and market overlap
Magic Eye 3D illusions may be easier to see if viewed on paper rather than on a computer screen. Go to the printer-friendly How to See page to print the image. Magic Eye 3D Viewing Instructions Hold the center of the printed image right
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Global Rank
#727,154
125,557Bounce Rate
50.39%
Pages per Visit
3.27
Avg Visit Duration
00:01:01
Similarity Score
100%the illusions index is a fully searchable curated collection of illusions brought to you by the centre for the study of perceptual experience.
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Global Rank
#538,906
134,003Bounce Rate
43.14%
Pages per Visit
2.74
Avg Visit Duration
00:00:58
Similarity Score
95%Slovné logické úlohy rozdelené do viacerých sekcií.
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Global Rank
#1,414,026
60,323Bounce Rate
38.11%
Pages per Visit
1.82
Avg Visit Duration
00:00:26
Similarity Score
92%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
44.05%
Pages per Visit
3.73
Avg Visit Duration
00:05:55
Similarity Score
89%Should we count by dozens instead of by tens? In many situations, we already do. Eggs, donuts, and months in a year are all counted by twelves, and many goods are ordered by the gross (a dozen doze…
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Global Rank
#590,523
184,952Bounce Rate
39.25%
Pages per Visit
2.45
Avg Visit Duration
00:01:10
Similarity Score
87%physics news, reference, education articles, job board, physics fun, and more. most popular physics and astronomy online portal since 1995!
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Global Rank
#1,336,579
159,476Bounce Rate
44.3%
Pages per Visit
1.49
Avg Visit Duration
00:00:15
Similarity Score
85%- Company
- Astrobites
Global Rank
#470,371
29,918Bounce Rate
45.76%
Pages per Visit
1.69
Avg Visit Duration
00:00:49
Similarity Score
82%Demonstration of the Craik-O’Brien-Cornsweet illusion
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Global Rank
#468,030
110,953Bounce Rate
39.49%
Pages per Visit
2.26
Avg Visit Duration
00:00:31
Similarity Score
80%- Company
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78%4D2Uプロジェクトに関するよくある質問一覧です
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Global Rank
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Bounce Rate
75.23%
Pages per Visit
1.59
Avg Visit Duration
00:00:35
Similarity Score
75%optics4kids.org's top 5 competitors in July 2026 are: magiceye.com, illusionsindex.org, brainden.com, worldofillusion.ie, and more.
According to Similarweb data of monthly visits, optics4kids.org’s top competitor in July 2026 is magiceye.com. optics4kids.org 2nd most similar site is illusionsindex.org, and closing off the top 3 is brainden.com.
worldofillusion.ie ranks as the 4th most similar website to optics4kids.org and puzzlewocky.com ranks fifth in July 2026.
The other five competitors in the top 10 list are physlink.com, astrobites.org, michaelbach.de, ned.ipac.caltech.edu, and 4d2u.nao.ac.jp.