Worldwide domain rankings
Most Popular Education and Reference Websites
Browse selected universities, learning services, scientific resources and reference websites. See which domains are higher in the worldwide list and open their individual ranking histories.
34 selected domains
34 currently in the Top 1,000
Snapshot: November 1, 2026
Wikipedia (#38) ranks highest among these selected learning, science & reference domains, followed by W3C (#182).
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Ranks are worldwide domain positions, not a separate ranking within this category. The category is a selected collection, not a complete list of every website in the field.
| Worldwide rank | Website | What it does |
|---|---|---|
| #38 | Wikipediawikipedia.org | Wikipedia is a collaboratively written online encyclopedia covering many subjects and languages. |
| #182 | W3Cw3.org | The World Wide Web Consortium develops web standards and publishes technical specifications. |
| #185 | Creative Commonscreativecommons.org | Creative Commons develops standardized licenses and tools for sharing creative and scholarly work. |
| #208 | DOIdoi.org | DOI.org resolves Digital Object Identifiers to the online locations of scholarly and other digital resources. |
| #230 | ScienceDirectsciencedirect.com | ScienceDirect provides access to academic journal articles and book chapters from Elsevier. |
| #232 | ResearchGateresearchgate.net | ResearchGate helps researchers share publications, follow other scholars and discuss research. |
| #233 | MITmit.edu | MIT's website features university education, research, admissions and community information. |
| #292 | Naturenature.com | Nature publishes scientific journals, research articles and science news. |
| #306 | Springerspringer.com | Springer publishes academic and scientific books, journals and reference works. |
| #325 | Harvard Universityharvard.edu | Harvard University's website covers education, research, admissions and campus activities. |
| #326 | Wileywiley.com | Wiley publishes academic journals, books and educational content. |
| #380 | Stanford Universitystanford.edu | Stanford University's website presents its education programmes, research and campus information. |
| #457 | arXivarxiv.org | arXiv hosts openly available research preprints across physics, mathematics, computer science and other fields. |
| #468 | Duolingoduolingo.com | Duolingo offers language learning lessons, practice exercises and related educational tools. |
| #482 | Goodreadsgoodreads.com | Goodreads is a social catalog for discovering, reviewing and tracking books. |
| #500 | Scribdscribd.com | Scribd provides subscription access to documents and digital reading content. |
| #554 | SlideShareslideshare.net | SlideShare hosts shared presentations, documents and professional learning content. |
| #560 | Taylor & Francis Onlinetandfonline.com | Taylor & Francis Online provides access to academic journal articles and research publications. |
| #563 | Oxford University Pressoup.com | Oxford University Press publishes scholarly books, journals, dictionaries and educational material. |
| #573 | Cornell Universitycornell.edu | Cornell University's website provides information about education, research, admissions and campus services. |
| #616 | IEEEieee.org | IEEE is a professional organization providing engineering publications, standards and member resources. |
| #619 | MDPImdpi.com | MDPI publishes open-access academic journals across scientific and scholarly disciplines. |
| #625 | SAGE Journalssagepub.com | SAGE publishes academic journals, books and research resources in social sciences and other fields. |
| #629 | UC Berkeleyberkeley.edu | UC Berkeley's website offers information about academic programmes, research and campus services. |
| #647 | Merriam-Webstermerriam-webster.com | Merriam-Webster provides an English dictionary, thesaurus, definitions and language-learning content. |
| #686 | Britannicabritannica.com | Encyclopaedia Britannica provides reference articles, educational information and learning resources. |
| #693 | Cambridge University Presscambridge.org | Cambridge University Press publishes academic books, journals, textbooks and education resources. |
| #789 | Wattpadwattpad.com | Wattpad is an online storytelling platform for reading and publishing fiction. |
| #823 | TEDted.com | TED publishes talks, educational videos and ideas from speakers across numerous disciplines. |
| #850 | Academia.eduacademia.edu | Academia.edu is a platform for sharing academic papers, research profiles and scholarly work. |
| #869 | Frontiersfrontiersin.org | Frontiers publishes open-access scholarly journals and research articles across many disciplines. |
| #910 | Princeton Universityprinceton.edu | Princeton University's website shares research, education, admissions and campus information. |
| #970 | University of Washingtonwashington.edu | The University of Washington's website covers academics, research and university services. |
| #1,000 | University of Michiganumich.edu | The University of Michigan's website provides education, research and campus information. |
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