about.facebook.com

website information and technology stack
Web technologies detected on this domain12 technologies
Web technologies detected across all facebook.com subdomains34 technologies
Website rank838
Website Location United States
LanguageEnglish
Last technology updateJanuary, 2024
Total facebook.com subdomain count1602 subdomains
Top ranking subdomain www.facebook.com (Rank: 2)
IP Address157.240.3.35
IP Lookup1 websites share 157.240.3.35 IP address.
Autonomous System Number (ASN)AS32934 (FACEBOOK)
Total linking domains30 domains
Total linking IP28 IPs
Certificate IssuerDigiCert Inc
Certificate Expiration DateMarch, 2024 (Expired )

Technology Stack

List of 10 detected technologies used on the website (out of 12 total).
TechnologyTechnology TypeVersionFirst detected
AditionAdvertising NetworksDecember, 2023
AdyenPayment ProcessorsDecember, 2023
AppNexusAdvertising NetworksDecember, 2023
DigiCertCertificate AuthorityDecember, 2023
DLocalPayment ProcessorsDecember, 2023
HTTP/3MiscellaneousDecember, 2023
JavaScriptDocument StandardsDecember, 2023
Open GraphMiscellaneousDecember, 2023
PayUEcommerceDecember, 2023
ProxygenWeb ServersDecember, 2023
See full technology stack

Uncommon response headers

List of uncommon response headers that were used by the website.
HeaderValue
Cross-Origin-Embedder-Policy-Report-Onlyrequire-corp;report-to="coep_report"
Cross-Origin-Opener-Policysame-origin-allow-popups;report-to="coop_report"
Origin-Agent-Cluster?0
Report-To{"max_age":2592000,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/coop\/?minimize=0"}],"group":"coop_report","include_subdomains":true}, {"max_age":86400,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/coep\/?minim
Reporting-Endpointscoop_report="https://www.facebook.com/browser_reporting/coop/?minimize=0", coep_report="https://www.facebook.com/browser_reporting/coep/?minimize=0"
Serverproxygen-bolt
X-FB-Debug1SzADe/OVeKSGfLoPF5y9zA7j/NlpfPl/XNIkF+ohHDwWHA2USUAK52WszwfVmAOPDQc5lo81wit79S9lUwS1Q==