Alternatives and competitors

Sites like Smithsonian Institution

The 20 closest museums and research institution alternatives to Smithsonian Institution, ranked by what they actually offer, and the 11 technologies behind it.

Looking for an alternative to Smithsonian Institution? The closest matches are Smithsonian Magazine, Metropolitan Museum of Art and National Archives and Records Administration. We match sites by what they actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Vote on each alternative and leave a short note to help the next person choose.

Neighbours: k = 20
Sites searched: 4,032
Vector: 384-d
Query: 12 ms

01 · Entity

About Smithsonian Institution

Smithsonian Institution si.edu

Smithsonian request verification

Wikidata: group of museums and research centers administered by the United States government

Top 10K · #1,898 English 11 technologies Crawled Nov 6, 2026

Visit Smithsonian Institution

Summary by Claude

Official website of the Smithsonian Institution, a U.S. federally created group of museums, research centers and the National Zoo, offering visitor information, exhibitions, digitized collections, research and educational resources.

Who it’s for: Museum visitors, students, educators and researchers
Business model: Federal funding, donations and memberships

02 · Embedding space

Competitor map

Each alternative by how close its vector is to Smithsonian Institution’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Lines split each axis at the median. Hover for the numbers, click to jump to it in the list.

similarity × popularity

03 · Nearest neighbours

Alternatives to Smithsonian Institution

Thumbs up if it’s a real alternative to Smithsonian Institution, thumbs down if it isn’t.

Only in English

We can’t read si.edu’s homepage (HTTP 403), so it’s compared on what Wikidata and Wikipedia say about it.

01
Smithsonian Magazine smithsonianmag.com Top 10K English

American magazine
Very close cos 0.925
02
Metropolitan Museum of Art metmuseum.org Top 10K English

Vercel Security Checkpoint

art museum in New York City, United States
Very close cos 0.915
03
National Archives and Records Administration archives.gov Top 10K English

National Archives | Home

National Archives and Records Administration
Very close cos 0.910
04
United States Department of Education ed.gov Top 10K

Azure WAF

Azure WAF
Very close cos 0.907
05
United States Department of State state.gov Top 1K English

Technical Difficulties

executive department of the U.S. federal government
Very close cos 0.907
06
DOI.org query endpoint doi.org Top 1K English

Home Page

API endpoint
Very close cos 0.903
07
National Park Service nps.gov Top 10K English

NPS.gov Homepage (U.S. National Park Service)

The National Park Service cares for special places saved by the American people so that all may experience our heritage.
Very close cos 0.904
08
Library of Congress loc.gov Top 1K English

Home | Library of Congress

The world's largest library. View historic photos, maps, books and more. Contact experts for help with research. Plan a visit. Home of U.S. Copyright Office.
Very close cos 0.905
09
CNRS cnrs.fr Top 10K English

Centre national de la recherche scientifique (CNRS)

Le Centre national de la recherche scientifique est le plus grand organisme public français de recherche scientifique. Il exerce son activité dans
Very close cos 0.904
10
NSF nsf.gov Top 10K English

NSF - U.S. National Science Foundation

NSF is an independent federal agency that supports science and engineering in all 50 states and U.S. territories.
Very close cos 0.902
11
NASA nasa.gov Top 1K English

NASA

NASA.gov brings you the latest news, images and videos from America's space agency, pioneering the future in space exploration, scientific discovery and aeronautics research.
Very close cos 0.903
12
nih.gov Top 1K English

US government medical research agency
Very close cos 0.902
13
National Institute of Standards and Technology nist.gov Top 1K English

National Institute of Standards and Technology

NIST promotes U.S. innovation and industrial competitiveness by advancing measurement science, standards, and technology in ways that enhance economic security and improve our quality of life.
Very close cos 0.898
14
National Academies nationalacademies.org Top 10K English

National Academies of Sciences, Engineering, and Medicine

Our work helps shape sound policies, inform public opinion, and advance the pursuit of science, engineering, and medicine.
Very close cos 0.900
15
Internet Archive archive.org Top 1K English

Internet Archive: Digital Library of Free & Borrowable Texts, Movies, Music & Wayback Machine

U.S. non-profit organization and digital archive
Very close cos 0.899
16
Zenodo zenodo.org Top 10K English

Zenodo

research data repository
Very close cos 0.898
17
CDC cdc.gov Top 1K English

Centers for Disease Control and Prevention | CDC

United States government public health agency
Very close cos 0.899
18
iNaturalist inaturalist.org Top 10K English

A Community for Naturalists · iNaturalist

iNaturalist is a social network for naturalists! Record your observations of plants and animals, share them with friends and researchers, and learn about the natural world.
Very close cos 0.895
19
White House whitehouse.gov Top 10K English

The White House

President Donald J. Trump and Vice President JD Vance are committed to lowering costs for all Americans, securing our borders, unleashing American energy dominance, restoring peace through strength, and making all Americans safe and secure once again.
Very close cos 0.897
20
United States Geological Survey usgs.gov Top 10K

scientific agency of the United States government
Close cos 0.894

Ranked by score: the cosine similarity of each site’s vector to si.edu’s, less a small penalty for generic sites that are close to everything. Highlighted technologies are ones Smithsonian Institution uses too. Votes and comments come from visitors and don’t change the ranking.

04 · Fingerprints

Technology

What Smithsonian Institution is built with, and what its closest competitors use, from its homepage’s code and its DNS records.

Built with

Cookie consent: OneTrust TXT onetrust-domain-verification=733d52d8e41444d097693c749e597ec9
CDN: Cloudflare header cf-ray: a56306118ac962dd-HAM
Email hosting: Microsoft 365 MX si-edu.mail.protection.outlook.com
DNS hosting: Akamai Edge DNS NS a26-66.akam.net
SaaS tools (verified in DNS): Adobe TXT adobe-idp-site-verification=ebf44aa1f4d5c71b36a262511b68415832b6f2ad1…
Apple Business TXT apple-domain-verification=OQGHn6kF8gOnAiWs
Atlassian TXT atlassian-domain-verification=WsqpJRrIShm2l9mzMRIOQjdSiHChgFqqfOMIUH4…
Canva TXT canva-site-verification=_s6Cq2oLPbhyDq31iu-b-A
DocuSign TXT docusign=13c4cb8d-4a47-4283-811e-e667bdd84098
Google Search Console TXT google-site-verification=9-OyClmReEWU6t3ri7R65zaHcE5ONk80xgeIHMjgg08
OpenAI TXT openai-domain-verification=dv-eu9pCkdZuzJSXWszEh1cs3BG

Stack changes

No changes yet. Each new crawl is compared with the last one, and what Smithsonian Institution adds or drops shows up here.

What competitors use

Across the 20 closest sites.