Website traffic
How much traffic does clinicaltrials.gov get?
2.83M
-6.26%MoMEstimated monthly visits
3.47M2.31M1.16M0
Global rank
15,872
Country rank · United States
5,071
Category rank · Health
113
Average visit duration
04:14
Pages per visit
5.26
Bounce rate
47.28%
Domain age
27 years
Search share
31.3%
Sources
Where does clinicaltrials.gov's traffic come from?
- Direct53.1%
- Search31.3%
- Referrals9.7%
- Generative AI2.9%
- Social1.7%
- Email1.1%
- Display ads0.2%
- Paid search0.1%
- Other0.0%
Regions
Which countries visit clinicaltrials.gov?
- United States54.0%
- China4.6%
- India3.6%
- United Kingdom3.1%
- Canada2.6%
See how clinicaltrials.gov compares with the most visited websites in the world, the fastest growing websites and sites gaining organic search traffic.
Search visibility
What keywords send traffic to clinicaltrials.gov?
Keyword samples
Estimated visitsMonthly searchesVisits ÷ searches
- clinical trials govBRAND13.24K12.47K106%
- clinical trialsBRAND9.5K20.89K46%
- aether opinion surveys5.56K37.1K15%
- clinical trial govBRAND4.08K4.36K94%
- clinicaltrials.govBRAND2.39K1.51K158%
Keyword rankings
Keyword rankings
86.4M
Search estimate
New 1 · Up 2
- Ranking keywords
- 12,400
- Landing pages
- 4
- Search competitors
- 4
- AI citations
- 2
PositionEstimated visits
- google#142M
- gmail#118.2M
- google maps#19.4M
- google drive#14.1M
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What does clinicaltrials.gov show publicly?
- HTTP 200
- Email authentication
- Hosting ASN
- DNSSEC
- HTTP
- 200
- Page size
- 92.0 KiB
- Hosting
- GOOGLE-CLOUD-PLATFORM · AS396982
- Email authentication
- SPF · DMARC reject
- TLS
- TLSv1.3 · 154 days
Page and SEO
- Final URL
- https://clinicaltrials.gov/
- Title
- ClinicalTrials.gov
- Cross-origin redirect
- No
- Word count
- 22
- Internal / external links
- 1 / 0
- Language
- en
- H1 / H2
- 0 / 0
- Images missing alt
- 0 / 0
- OG / Twitter
Technology and tracking
- External script hosts
- cdn.ncbi.nlm.nih.gov
- Server
- istio-envoy
- Security headers
- 2 / 6
- HSTS / CSP
- HSTS
- Alt-Svc
- Set
Email and DNS securitySet
- SPF
- Set
- DMARC
- Set · reject
- DKIM selectors
- Not found
- IPv6
- AAAA present
- DNSSEC
- DNSKEY · AD
- CAA issuers
- godaddy.com · letsencrypt.org
- Site verification TXT
- SOA
- ns-cloud-d1.googledomains.com
- NS
- ns-cloud-d1.googledomains.com. · ns-cloud-d2.googledomains.com. · ns-cloud-d3.googledomains.com. · 1 more
- MX
- 10 nihcesxway3.hub.nih.gov. · 10 nihcesxway4.hub.nih.gov. · 10 nihcesxway5.hub.nih.gov.
Hosting and networkAS396982
- A
- 34.107.134.59
- AAAA
- 2600:1901:0:c831::
- Hosting ASN
- AS396982 · 34.104.0.0/14
- Hosting organization
- GOOGLE-CLOUD-PLATFORM - Google LLC
- Hosting country
- US
- BGP announcement
- Yes
- Reverse DNS
- 59.134.107.34.bc.googleusercontent.com
- TLS
- TLSv1.3 · Verified
- Certificate issuer
- GoDaddy TLS Intermediate CA DV - R1v1
- Certificate remaining
- 154 days
- Certificate SAN
- DNS:*.clinicaltrials.gov · DNS:clinicaltrials.gov
robots and AI crawlingHTTP 200
- Robots.txt
- 200
- Global Disallow /
- No
- Sitemap
- Index · 2
- AI explicitly disallowed
- 0
- AI explicitly allowed
- 16
Well-known public paths
- Present / checked
- 0 / 5
Website information
When was clinicaltrials.gov registered?
- Domain
- clinicaltrials.gov
- Registration status
- Domain registered
- Registered
- 2000-02-03
- Registrar
- get.gov
- Expires
- 2027-08-18
- Domain age
- 27 years
- DNSSEC
- Yes
- Registry status
- server transfer prohibited
Similar sites
What sites are similar to clinicaltrials.gov?
Website reports in the same category, with nearby monthly visits.
What's in this report
The report starts with a whole-site monthly visit estimate. Search visibility and public site facts follow when they exist.
- Website traffic is a modeled whole-site estimate, with a source, observation period and confidence.
- Search visibility is ranking keywords and search traffic, listed separately from whole-site visits.
- Missing or partial values stay marked in the report.