crossref.org
Crossref
Who runs Crossref, what it tracks and what it costs, and the 20 closest scholarly metadata infrastructure alternatives.
- Who’s behind it
- Not stated
- Online since
- Unknown
- Trackers
- Prices
- No pricing page
- Last price change
- –
- Closest alternative
- DataCite
Measured from Crossref’s own pages, the Internet Archive and public records. Hover a dotted value for its source and date.
Visit Crossref01 · Who’s behind it
Who runs Crossref
Crossref crossref.org
Crossref is open infrastructure linking the world's research. 26,500 members, 171 countries, 2.1 billion monthly API queries.
Wikidata: one of the official Digital Object Identifier Registration Agencies of the International DOI Foundation
- Company
- No imprint we could read
- Online since
- Not in the Internet Archive
- Audience
- In English
02 · Privacy
What Crossref tracks
What the homepage loads before you accept or decline cookies. A cookie banner should hold most of it back until you agree, and a tag manager can load more that we don’t see.
tracker that follows visitors
8 of the 19 alternatives below have fewer, 5 have more.
Privacy-friendly alternatives →- Cookie banner
- None found
Visitor analytics
Counts and follows visits, usually with cookies.
03 · Alternatives
Alternatives to Crossref
None of the 60 sites closest to Crossref match these filters. We read imprints and pricing pages once a week, so more sites qualify as we get to them.
04 · History
What changed
Price and policy history →No changes yet. Each new crawl is compared with the last one, and what Crossref adds, drops or rewrites shows up here.
05 · Details
How we measure
Alternatives are matched by what sites actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Trackers and the rest of the stack come from the homepage’s code and DNS records.
The full technology stack and search numbers · 14 technologies
- Neighbours
- k = 60
- Sites searched
- 9,221
- Vector
- 384-d
- Query
- 39 ms
Built with
- JavaScript libraries
- jQuery asset https://www.crossref.org/js/jquery.min.js
- CSS & UI
- Bootstrap asset https://www.crossref.org/js/bootstrap.min.js
- Font Awesome asset https://www.crossref.org/fontawesome/css/all.min.css
- Analytics
- Matomo page source: _paq.push(
- Live chat & support
- Zendesk TXT v=spf1 ip4:208.254.38.64/27 ip4:108.26.163.24 ip4:18.233.120.246 incl…
- CDN
- Amazon CloudFront header x-amz-cf-id: BkAXA8mwE1DbolpDB6-t6MH7TzUR_cuK7i0BW7hPk6nWQXliHw5Fgg==
- cdnjs asset https://cdnjs.cloudflare.com/ajax/libs/masonry/4.1.0/masonry.pkgd.js
- jsDelivr asset https://cdn.jsdelivr.net/algoliasearch/3/algoliasearch.min.js
- Hosting
- Amazon Web Services header server: AmazonS3
- Site search
- Algolia page source: algoliasearch
- Email hosting
- Google Workspace MX aspmx3.googlemail.com
- Microsoft 365 TXT MS=ms40313232
- Email delivery
- Amazon SES TXT v=spf1 ip4:208.254.38.64/27 ip4:108.26.163.24 ip4:18.233.120.246 incl…
- DNS hosting
- Amazon Route 53 NS ns-1629.awsdns-11.co.uk
What competitors use
Across the 20 closest sites.
- Google Search Console · not on crossref.org 17/20
- Cloudflare · not on crossref.org 11/20
- jQuery 10/20
- Microsoft 365 10/20
- PHP · not on crossref.org 10/20
- WordPress · not on crossref.org 8/20
- Google Fonts · not on crossref.org 7/20
- Cloudflare DNS · not on crossref.org 7/20
- Google Workspace 6/20
- Salesforce · not on crossref.org 6/20
- Apple Business · not on crossref.org 6/20
- jsDelivr 5/20
- Amazon SES 5/20
- Atlassian · not on crossref.org 5/20
- Google Analytics · not on crossref.org 5/20
- nginx · not on crossref.org 4/20