duckduckgo.com

website information and technology stack
Web technologies detected on this domain23 technologies
Web technologies detected across all duckduckgo.com subdomains31 technologies
duckduckgo.com redirects to html.duckduckgo.com
Website rank2,251
Website Location United States
LanguageEnglish
Last technology updateApril, 2024
Dropped technologies in the last 3 months1
Total duckduckgo.com subdomain count22 subdomains
Top ranking subdomain external-content.duckduckgo.com (Rank: 44,121)
IP Address52.250.42.157
IP Lookup36 websites share 52.250.42.157 IP address.
Autonomous System Number (ASN)AS8075 (MICROSOFT-CORP-MSN-AS-BLOCK)
Total linking domains7,763 domains
Total linking IP5,314 IPs
Certificate IssuerDigiCert Inc
Certificate Expiration DateNovember, 2024 (Valid )

Technology Stack

List of 10 detected technologies used on the website (out of 23 total).
TechnologyTechnology TypeVersionFirst detected
Amazon Simple Email ServiceWeb MailDecember, 2023
Description MetaDocument StandardsDecember, 2023
DigiCertCertificate AuthorityDecember, 2023
iOS AppMobileDecember, 2023
JavaScriptDocument StandardsDecember, 2023
matchMediaJavaScript LibrariesDecember, 2023
Microsoft 365Web MailDecember, 2023
Microsoft HostingWeb HostingDecember, 2023
Next.jsJavaScript FrameworksDecember, 2023
NginxWeb ServersDecember, 2023
See full technology stack

Change History

List of 6 detected changes in the website technology stack within the last 3 months (out of 1 total).
TechnologyTechnology TypeVersionChangeDate
PolyfillJavaScript Libraries DroppedApr, 2024

Uncommon response headers

List of uncommon response headers that were used by the website.
HeaderValue
Expect-CTmax-age=0
Permissions-Policyinterest-cohort=()
Referrer-Policyorigin
Servernginx