| Web technologies detected on this domain | 17 technologies |
| Web technologies detected across all loc.gov subdomains | 98 technologies |
| Website rank | 19,285 |
| Website Location |  United States |
| Language | English |
| Last technology update | March, 2024 |
| Added technologies in the last 3 months | 1 |
| Dropped technologies in the last 3 months | 1 |
| Total loc.gov subdomain count | 82 subdomains |
| Top ranking subdomain | |
| IP Address | 172.64.148.26 |
| IP Lookup | 9 websites share 172.64.148.26 IP address. |
| Autonomous System Number (ASN) | AS13335 (CLOUDFLARENET) |
| Total linking domains | 158 domains |
| Total linking IP | 117 IPs |
| Certificate Issuer | Google Trust Services LLC |
March, 2024
Facebook: https://www.facebook.com/libraryofcongress/
Twitter: https://www.twitter.com/librarycongress
Instagram: https://instagram.com/librarycongress/
| Technology | Technology Type | Version | First detected | |
|---|---|---|---|---|
 Adobe DTM | Tag Managers | October, 2023 | ||
| Adobe Experience Platform Launch | Tag Managers | October, 2023 | ||
 Cloudflare | Content Delivery Networks | October, 2023 | ||
| Cloudflare DNS | Name Server | October, 2023 | ||
| Cloudflare Server | Web Servers | October, 2023 | ||
 Description Meta | Document Standards | October, 2023 | ||
| | Stock Images Providers | October, 2023 | ||
| | Certificate Authority | March, 2024 | ||
| JavaScript | Document Standards | October, 2023 | ||
 jQuery | JavaScript Frameworks | 1.8.2 | October, 2023 |
| Technology | Technology Type | Version | Change | Date |
|---|---|---|---|---|
 Cloudflare Certificate | Certificate Authority | Dropped | Mar, 2024 | |
| Certificate Authority | Added | Mar, 2024 |
| Header | Value |
|---|---|
| Access-Control-Allow-Method | HEAD, POST, GET, OPTIONS |
| Access-Control-Expose-Headers | Content-Type, Cache-Control, X-URI, X-PrefLabel, X-PrefLabel-Escaped, X-PrefLabel-Encoded |
| CF-Cache-Status | DYNAMIC |
| CF-RAY | 85eed0c59c7f7c1b-LAX |
| Server | cloudflare |
| via | 1.1 varnish (Varnish/6.0) |
| X-uri | http://id.loc.gov/vocabulary/marcauthen |
| X-Varnish | 476765035 454696020 |
