Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 38.95.177.43 |
| Server Software | Microsoft-IIS/10.0 |
| Compression | gzip |
|
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 38.95.177.43
Server Software Microsoft-IIS/10.0
Compression gzip
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://osa.org:443 | 301 | HTTP/1.1 301 Moved Permanently |
| 2 | https://www.optica.org// | 200 | HTTP/1.1 200 OK |
#1 URL https://osa.org:443
HTTP Status Code 301
Status HTTP/1.1 301 Moved Permanently
#2 URL https://www.optica.org//
HTTP Status Code 200
Status HTTP/1.1 200 OK
Performance
| DNS Lookup | 104.3 ms |
| TCP Connect | 186.1 ms |
| TLS Handshake | 92.6 ms |
| Time To First Byte (TTFB) | 407.8 ms |
| Content Download | 83.9 ms |
| Total Response Time | 491.8 ms |
DNS Lookup 104.3 ms
TCP Connect 186.1 ms
TLS Handshake 92.6 ms
Time To First Byte (TTFB) 407.8 ms
Content Download 83.9 ms
Total Response Time 491.8 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=2592000 |
| CSP | ✔ Configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ✔ nosniff |
| Referrer Policy | same-origin |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=2592000
CSP ✔ Configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ✔ nosniff
Referrer Policy same-origin
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Home | Optica |
| Meta Description | Optica is the leading society in optics and photonics. Quality information and inspiring interactions through publications, meetings, and membership. |
Title Home | Optica
Meta Description Optica is the leading society in optics and photonics. Quality information and inspiring interactions through publications, meetings, and membership.
Detected Technologies
| Technology | jQuery Google Analytics Google Tag Manager Cloudflare |
Technology jQuery Google Analytics Google Tag Manager Cloudflare
HTTP Headers
| Content-Type
| text/html; charset=utf-8 |
| Server
| Microsoft-IIS/10.0 |
| Request-Context
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| Strict-Transport-Security
| max-age=2592000 |
| X-XSS-Protection
| 1; mode=block |
| X-Content-Type-Options
| nosniff |
| Referrer-Policy
| same-origin |
| Content-Security-Policy
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| X-Powered-By
| ASP.NET |
| Date
| Thu, 20 Aug 2026 11:51:56 GMT |
| Transfer-Encoding
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Meta Tags
| Description | Optica is the leading society in optics and photonics. Quality information and inspiring interactions through publications, meetings, and membership. |
| X-UA-Compatible | IE=edge |
| Viewport | width=device-width,initial-scale=1.0,shrink-to-fit=no |
| Google-site-verification | lFCb00qSSgOFRJPRNVs7uUFxoUJzHBMnDOxBPnuA4qA |
| Facebook-domain-verification | mfx4ntf75cih86ugui5adb5sb913if |
| Msapplication-TileColor | #603cba |
| Theme-color | #771bc9 |
Content-Type text/html; charset=utf-8
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X-Powered-By ASP.NET
Date Thu, 20 Aug 2026 11:51:56 GMT
Transfer-Encoding chunked
Content-Encoding gzip
