Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 199.16.173.239 |
| Server Software | nginx |
| CDN | CDN detected (Server-Timing) |
| Compression | gzip |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
|
ℹ 🔵 Missing X-Frame-Options | The site can be embedded in iframes by third parties (clickjacking risk). |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 199.16.173.239
Server Software nginx
CDN CDN detected (Server-Timing)
Compression gzip
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
ℹ 🔵 Missing X-Frame-Options The site can be embedded in iframes by third parties (clickjacking risk).
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://schneier.com:443 | 301 | HTTP/2 301 |
| 2 | https://www.schneier.com/ | 200 | HTTP/2 200 |
#1 URL https://schneier.com:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.schneier.com/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 4.5 ms |
| TCP Connect | 5.5 ms |
| TLS Handshake | 3.8 ms |
| Time To First Byte (TTFB) | 13.6 ms |
| Content Download | 1 ms |
| Total Response Time | 14.5 ms |
DNS Lookup 4.5 ms
TCP Connect 5.5 ms
TLS Handshake 3.8 ms
Time To First Byte (TTFB) 13.6 ms
Content Download 1 ms
Total Response Time 14.5 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000 |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| Permissions Policy | ✔ Configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31536000
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
Permissions Policy ✔ Configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Schneier on Security - |
| Canonical | https://www.schneier.com/ |
| Robots Meta | index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 |
| Open Graph Title | Schneier on Security |
| Twitter Card | summary_large_image |
Title Schneier on Security -
Canonical https://www.schneier.com/
Robots Meta index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Open Graph Title Schneier on Security
Twitter Card summary_large_image
Detected Technologies
| Technology | WordPress WooCommerce jQuery Google Analytics Cloudflare Nginx Apache PHP Node.js |
Technology WordPress WooCommerce jQuery Google Analytics Cloudflare Nginx Apache PHP Node.js
HTTP Headers
| Server
| nginx |
| Date
| Thu, 20 Aug 2026 07:51:15 GMT |
| Content-type
| text/html; charset=UTF-8 |
| Strict-transport-security
| max-age=31536000 |
| Vary
| accept, content-type, cookie |
| Last-modified
| Thu, 20 Aug 2026 07:46:12 GMT |
| Cache-control
| max-age=244, must-revalidate |
| X-nananana
| Batcache-Hit |
| Host-header
| wpcloud |
| Permissions-policy
| private-state-token-redemption=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com"), private-state-token-issuance=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com") |
| Link
| ; rel="https://api.w.org/" |
| Content-encoding
| gzip |
| X-ac
| 26.cdg _atomic_ams STALE |
| Alt-svc
| clear |
| Server-timing
| a8c-cdn, dc;desc=cdg, cache;desc=STALE;dur=3.0 |
Meta Tags
| X-UA-Compatible | IE=edge |
| Viewport | width=device-width, initial-scale=1, user-scalable=no |
| Robots | index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 |
| Msapplication-TileImage |  |
Server nginx
Date Thu, 20 Aug 2026 07:51:15 GMT
Content-type text/html; charset=UTF-8
Strict-transport-security max-age=31536000
Vary accept, content-type, cookie
Last-modified Thu, 20 Aug 2026 07:46:12 GMT
Cache-control max-age=244, must-revalidate
X-nananana Batcache-Hit
Host-header wpcloud
Permissions-policy private-state-token-redemption=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com"), private-state-token-issuance=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com")
Link ; rel="https://api.w.org/"
Content-encoding gzip
X-ac 26.cdg _atomic_ams STALE
Alt-svc clear
Server-timing a8c-cdn, dc;desc=cdg, cache;desc=STALE;dur=3.0
