Alternatives and competitors

Sites like Schema.org

The 20 closest structured data vocabulary alternatives to Schema.org, ranked by what they actually offer, and the 5 technologies behind it.

Looking for an alternative to Schema.org? The closest matches are Wikidata, Sitemaps and SteamDB. 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
8 ms

01 · Entity

About Schema.org

Schema.org schema.org

Schema.org - Schema.org

Schema.org is a set of extensible schemas that enables webmasters to embed structured data on their web pages for use by search engines and other applications.

Wikidata: project to create, maintain, and promote schemas for structured data on the Internet, on web pages, in email messages, and beyond

Top 10K · #5,783 English 5 technologies Crawled Nov 6, 2026
Visit Schema.org

Summary by Claude

Schema.org publishes a shared vocabulary of structured data types and properties that webmasters embed in web pages and emails so search engines and other applications can understand the content. It is maintained through an open community process founded by Google, Microsoft, Yahoo and Yandex.

Who it’s for
Webmasters, SEO specialists and web developers
Business model
Non-commercial, sponsored by founding companies

02 · Embedding space

Competitor map

Each alternative by how close its vector is to Schema.org’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

CM.comOur World in DataStatistaRedfinYandexHabrSemantic ScholarSmithsonian InstitutionSteamDBWikidata

03 · Nearest neighbours

Alternatives to Schema.org

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

Only in English
  1. 01
    Wikidata wikidata.org Top 10K English

    Wikidata

    free multilingual online knowledge graph

  2. 02
    SteamDB steamdb.info Top 10K English

    SteamDB

    online video game database

  3. 03
    Smithsonian Institution si.edu Top 10K English

    Smithsonian request verification

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

  4. 04
    Semantic Scholar semanticscholar.org Top 10K English

    Semantic Scholar | AI-Powered Research Tool

    Semantic Scholar uses groundbreaking AI and engineering to understand the semantics of scientific literature to help Scholars discover relevant research.

  5. 05
    Habr habr.com Top 10K English

    Publications / My feed / Habr

    collaborative blog

  6. 06
    Yandex yandex.com Top 1K English

    Yandex — fast Internet search

    Yandex finds anything: webpages, images, music, good. Solve any problem — from everyday to a scientific one. Search by text, voice or image.

  7. 07
    Redfin redfin.com Top 10K English

    Human Verification

    American real estate brokerage

  8. 08
    Statista statista.com Top 1K English

    Statista - The Statistics Portal for Market Data, Market Research and Market Studies

    Find statistics, consumer survey results and industry studies from over 22,500 sources on over 60,000 topics on the internet's leading statistics database

  9. 09
    Our World in Data ourworldindata.org Top 10K English

    Our World in Data

    Research and data to make progress against the world’s largest problems.

  10. 10
    CM.com cm.com Top 1K English

    One platform for every customer interaction | CM.com

    Behind every customer moment is a conversation that just works. CM.com connects messaging, marketing, service and payments on one shared context.

  11. 11
    Themeforest themeforest.net Top 10K English

    WordPress Themes & Website Templates from ThemeForest

    Discover 1000s of premium WordPress themes & website templates, including multipurpose and responsive Bootstrap templates, email templates & HTML templates.

  12. 12
    You.com you.com English

    You.com | Search and inference for AI

    The core AI infrastructure you need to maximize accuracy while reducing latency and costs.

  13. 13
    Product Hunt producthunt.com Top 10K English

    product discovery website

  14. 14
    Stack Exchange stackexchange.com Top 10K English

    Hot Questions - Stack Exchange

    Stack Overflow – 180+ community-powered knowledge sites.

  15. 15
    Urban Dictionary urbandictionary.com Top 10K English

    Urban Dictionary, November 6: Yap Trap

    A seemingly endless debate with a idiot

  16. 16
    OSF osf.io Top 10K English

    OSF

    tools that make open science practice easier

  17. 17
    W3Schools w3schools.com Top 10K English

    W3Schools Online Web Tutorials

    Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.

  18. 18
    Answers answers.com Top 10K English

    Answers - The Most Trusted Place for Answering Life's Questions

    Answers is the place to go to get the answers you need and to ask the questions you want

  19. 19
    GeeksforGeeks geeksforgeeks.org Top 10K English

    GeeksforGeeks | Your All-in-One Learning Portal

    Your All-in-One Learning Portal. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions.

  20. 20
    Zenodo zenodo.org Top 10K English

    Zenodo

    research data repository

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

04 · Fingerprints

Technology

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

Built with

JavaScript libraries
  • jQuery asset https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js
Analytics
Hosting
Email hosting
SaaS tools (verified in DNS)

Stack changes

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

SimilarSiteSearch

Competitors by meaning, stacks from the source. Data from public homepages and DNS.

About our crawler