Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 151.101.130.216 |
| CDN | CDN (HIT, HIT) |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
|
ℹ 🔵 No Compression | The server does not use Gzip or Brotli. Enable compression to reduce bandwidth usage. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 151.101.130.216
CDN CDN (HIT, HIT)
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
ℹ 🔵 No Compression The server does not use Gzip or Brotli. Enable compression to reduce bandwidth usage.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://belfercenter.org:443 | 302 | HTTP/2 302 |
| 2 | https://www.belfercenter.org/ | 200 | HTTP/2 200 |
#1 URL https://belfercenter.org:443
HTTP Status Code 302
Status HTTP/2 302
#2 URL https://www.belfercenter.org/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 5.2 ms |
| TCP Connect | 6.3 ms |
| TLS Handshake | 5.7 ms |
| Time To First Byte (TTFB) | 28 ms |
| Content Download | 4.1 ms |
| Total Response Time | 32.1 ms |
DNS Lookup 5.2 ms
TCP Connect 6.3 ms
TLS Handshake 5.7 ms
Time To First Byte (TTFB) 28 ms
Content Download 4.1 ms
Total Response Time 32.1 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31557600 |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| Referrer Policy | strict-origin-when-cross-origin |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31557600
CSP ⚠ Not configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
Referrer Policy strict-origin-when-cross-origin
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | The Belfer Center for Science and International Affairs | Harvard Kennedy School |
| Meta Description | The Belfer Center is the hub of Harvard Kennedy School's research and training in international security and diplomacy, environmental and resource issues, and science and technology policy. |
| Canonical | https://www.belfercenter.org/ |
| Open Graph Image | https://www.belfercenter.org/sites/default/files/styles/1... |
Title The Belfer Center for Science and International Affairs | Harvard Kennedy School Meta Description The Belfer Center is the hub of Harvard Kennedy School's research and training in international security and diplomacy, environmental and resource issues, and science and technology policy. Canonical https://www.belfercenter.org/ Open Graph Image https://www.belfercenter.org/sites/default/files/styles/1... Detected Technologies
| Technology | Drupal jQuery Google Analytics Google Tag Manager |
Technology Drupal jQuery Google Analytics Google Tag Manager
HTTP Headers
| Content-language
| en |
| Content-type
| text/html; charset=UTF-8 |
| Etag
| "1787175559" |
| Expires
| Sun, 19 Nov 1978 05:00:00 GMT |
| Last-modified
| Wed, 19 Aug 2026 21:39:19 GMT |
| Referrer-policy
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| Traceresponse
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| X-content-type-options
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| X-drupal-dynamic-cache
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| X-frame-options
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| Cache-control
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| Strict-transport-security
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| Content-length
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Meta Tags
| Description | The Belfer Center is the hub of Harvard Kennedy School's research and training in international security and diplomacy, environmental and resource issues, and science and technology policy. |
| Generator | Interactive Strategies (https://www.interactivestrategies.com) |
| MobileOptimized | width |
| HandheldFriendly | true |
| Viewport | width=device-width, initial-scale=1.0 |
| Msapplication-config | /themes/custom/belfer/assets/pwa/browserconfig.xml?v=20230824 |
| Msapplication-TileColor | #ffffff |
| Theme-color | #ff0000 |
Content-language en
Content-type text/html; charset=UTF-8
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