Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 193.10.14.94 |
| Server Software | Apache/2.4.68 (Debian) |
| Compression | gzip |
|
🔒 🟡 Mixed Content (1 HTTP resources) | The page is served over HTTPS but loads 1 resource(s) over HTTP. This may be blocked in modern browsers. |
|
ℹ 🔵 Missing HSTS | HTTP Strict Transport Security is not configured. Recommended for HTTPS sites. |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 193.10.14.94
Server Software Apache/2.4.68 (Debian)
Compression gzip
🔒 🟡 Mixed Content (1 HTTP resources) The page is served over HTTPS but loads 1 resource(s) over HTTP. This may be blocked in modern browsers.
ℹ 🔵 Missing HSTS HTTP Strict Transport Security is not configured. Recommended for HTTPS sites.
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://sipri.org:443 | 301 | HTTP/1.1 301 Moved Permanently |
| 2 | https://www.sipri.org/ | 200 | HTTP/1.1 200 OK |
#1 URL https://sipri.org:443
HTTP Status Code 301
Status HTTP/1.1 301 Moved Permanently
#2 URL https://www.sipri.org/
HTTP Status Code 200
Status HTTP/1.1 200 OK
Performance
| DNS Lookup | 38.1 ms |
| TCP Connect | 69.3 ms |
| TLS Handshake | 66.4 ms |
| Time To First Byte (TTFB) | 180 ms |
| Content Download | 18.3 ms |
| Total Response Time | 198.3 ms |
DNS Lookup 38.1 ms
TCP Connect 69.3 ms
TLS Handshake 66.4 ms
Time To First Byte (TTFB) 180 ms
Content Download 18.3 ms
Total Response Time 198.3 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Home | SIPRI |
| Meta Description | Stockholm International Peace Research Institute (SIPRI): the independent resource on global security |
| Canonical | https://www.sipri.org/ |
| Open Graph Title | Home |
| Open Graph Description | Stockholm International Peace Research Institute (SIPRI): the independent resource on global security |
| Open Graph Image | https://sipri.org/sites/default/files/styles/home_slide/p... |
| Twitter Card | summary_large_image |
| Twitter Title | Home |
| Twitter Description | Stockholm International Peace Research Institute (SIPRI): the independent resource on global security |
| Twitter Image | https://sipri.org/sites/default/files/styles/home_slide/p... |
Title Home | SIPRI Meta Description Stockholm International Peace Research Institute (SIPRI): the independent resource on global security Canonical https://www.sipri.org/ Open Graph Title Home Open Graph Description Stockholm International Peace Research Institute (SIPRI): the independent resource on global security Open Graph Image https://sipri.org/sites/default/files/styles/home_slide/p... Twitter Card summary_large_image Twitter Title Home Twitter Description Stockholm International Peace Research Institute (SIPRI): the independent resource on global security Twitter Image https://sipri.org/sites/default/files/styles/home_slide/p... Detected Technologies
| Technology | Drupal jQuery Google Analytics Apache PHP Node.js Matomo |
Technology Drupal jQuery Google Analytics Apache PHP Node.js Matomo
HTTP Headers
| Date
| Mon, 20 Jul 2026 08:02:43 GMT |
| Server
| Apache/2.4.68 (Debian) |
| Cache-Control
| max-age=86400, public |
| X-Drupal-Dynamic-Cache
| UNCACHEABLE (poor cacheability) |
| Content-language
| en |
| X-Content-Type-Options
| nosniff |
| X-Frame-Options
| SAMEORIGIN |
| Expires
| Sun, 19 Nov 1978 05:00:00 GMT |
| Vary
| Cookie,Accept-Encoding |
| X-Generator
| Drupal 10 (https://www.drupal.org) |
| X-Drupal-Cache
| HIT |
| Last-Modified
| Mon, 20 Jul 2026 08:02:41 GMT |
| ETag
| "1784534561-gzip" |
| Content-Encoding
| gzip |
| Content-Length
| 16108 |
| Content-Type
| text/html; charset=UTF-8 |
Meta Tags
| Description | Stockholm International Peace Research Institute (SIPRI): the independent resource on global security |
| Keywords | arms, weapons, disarmament, global, security, defence, military, yearbook, conflicts, spending |
| Generator | Drupal 10 (https://www.drupal.org) |
| MobileOptimized | width |
| HandheldFriendly | true |
| Viewport | width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=1 |
| Http-equiv | on |
Date Mon, 20 Jul 2026 08:02:43 GMT
Server Apache/2.4.68 (Debian)
Cache-Control max-age=86400, public
X-Drupal-Dynamic-Cache UNCACHEABLE (poor cacheability)
Content-language en
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
Expires Sun, 19 Nov 1978 05:00:00 GMT
Vary Cookie,Accept-Encoding
X-Generator Drupal 10 (https://www.drupal.org)
X-Drupal-Cache HIT
Last-Modified Mon, 20 Jul 2026 08:02:41 GMT
ETag "1784534561-gzip"
Content-Encoding gzip
Content-Length 16108
Content-Type text/html; charset=UTF-8
