vs
Comparison
ClinicalTrials.gov vs Crossref
Who’s behind each, what their homepages track, what they cost and how often their policies changed, measured the same way for both. By what they offer, they’re very close.
A public database of privately and publicly funded clinical studies worldwide, run by the U.S. National Library of Medicine, where users can search trial registrations, eligibility criteria, locations and posted results, and sponsors can register studies.
Crossref is a nonprofit DOI registration agency that lets publishers, funders and research institutions register persistent identifiers and metadata for scholarly works, and shares that metadata openly through free APIs for citation and reference linking.
- Company
- Not stated
- Not stated
- Registered in
- Unknown
- Unknown
- Online since
- Unknown
- Unknown
- Audience
- Top 10K
- Top 10K
- Trackers on the homepage
- fewer
- Third-party embeds: Google Fonts
-
- Visitor analytics: Matomo
- Ad trackers
- None
- None
- Cookie banner
- –
- –
- Prices
- No pricing page found
- No pricing page found
- Last price change
- –
- –
- Privacy policy changes
- 0
- 0
- Terms changes
- 0
- 0
- Open positions
- –
- –
Trackers are what each homepage loads before cookie consent; changes count since we started checking each site weekly. Hover a dotted value for its source and date.