Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 107.154.251.12 |
|
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). |
|
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 107.154.251.12
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).
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://spiedigitallibrary.org:443 | 301 | HTTP/2 301 |
| 2 | https://www.spiedigitallibrary.org/ | 200 | HTTP/2 200 |
#1 URL https://spiedigitallibrary.org:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.spiedigitallibrary.org/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 22.8 ms |
| TCP Connect | 31.7 ms |
| TLS Handshake | 11.9 ms |
| Time To First Byte (TTFB) | 54.8 ms |
| Content Download | 0 ms |
| Total Response Time | 54.8 ms |
DNS Lookup 22.8 ms
TCP Connect 31.7 ms
TLS Handshake 11.9 ms
Time To First Byte (TTFB) 54.8 ms
Content Download 0 ms
Total Response Time 54.8 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000 |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not 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
HTTP/2 ⚠ HTTP/1.1
HTTP Headers
| Content-type
| text/html |
| Cache-control
| no-cache, no-store |
| Content-length
| 212 |
| X-iinfo
| 18-133202906-0 0NNN RT(1784969629712 12) q(0 -1 -1 1) r(0 -1) B10(4,312,0) U18 |
| Strict-transport-security
| max-age=31536000 |
| Set-cookie
| incap_ses_1652_1300085=WcKGTBlxWzHUgwCPeRXtFp15ZGoAAAAABSTEW5KlYzxuq2MSeA8IDw==; path=/; Domain=.spiedigitallibrary.org; Secure; SameSite=None |
Meta Tags
Content-type text/html
Cache-control no-cache, no-store
Content-length 212
X-iinfo 18-133202906-0 0NNN RT(1784969629712 12) q(0 -1 -1 1) r(0 -1) B10(4,312,0) U18
Strict-transport-security max-age=31536000
Set-cookie incap_ses_1652_1300085=WcKGTBlxWzHUgwCPeRXtFp15ZGoAAAAABSTEW5KlYzxuq2MSeA8IDw==; path=/; Domain=.spiedigitallibrary.org; Secure; SameSite=None
