Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 34.236.116.142 |
| Server Software | nginx + Phusion Passenger(R) 6.1.4 |
| 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 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 34.236.116.142
Server Software nginx + Phusion Passenger(R) 6.1.4
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 Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
Performance
| DNS Lookup | 1.1 ms |
| TCP Connect | 84.2 ms |
| TLS Handshake | 175.6 ms |
| Time To First Byte (TTFB) | 351.1 ms |
| Content Download | 332.4 ms |
| Total Response Time | 683.5 ms |
DNS Lookup 1.1 ms
TCP Connect 84.2 ms
TLS Handshake 175.6 ms
Time To First Byte (TTFB) 351.1 ms
Content Download 332.4 ms
Total Response Time 683.5 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=63072000; preload |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ allow-from https://nthp.maps.arcgis.com |
| X-Content-Type-Options | ✔ nosniff |
| Referrer Policy | strict-origin-when-cross-origin |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=63072000; preload
CSP ⚠ Not configured
X-Frame-Options ✔ allow-from https://nthp.maps.arcgis.com
X-Content-Type-Options ✔ nosniff
Referrer Policy strict-origin-when-cross-origin
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | @SavingPlaces | National Trust for Historic Preservation |
| Meta Description | The National Trust for Historic Preservation activates the power of place to serve the public good, improve people’s lives, and enable a shared future. |
| Canonical | https://savingplaces.org/ |
| Open Graph Title | @SavingPlaces | National Trust for Historic Preservation |
| Open Graph Description | The National Trust for Historic Preservation activates the power of place to serve the public good, improve people’s lives, and enable a shared future. |
| Open Graph Image | https://cdn.savingplaces.org/2026/07/14/09/34/39/dfa1b279... |
| Twitter Card | summary_large_image |
| Twitter Title | @SavingPlaces | National Trust for Historic Preservation |
| Twitter Description | The National Trust for Historic Preservation activates the power of place to serve the public good, improve people’s lives, and enable a shared future. |
| Twitter Image | https://cdn.savingplaces.org/2026/07/14/09/34/39/dfa1b279... |
Title @SavingPlaces | National Trust for Historic Preservation Meta Description The National Trust for Historic Preservation activates the power of place to serve the public good, improve people’s lives, and enable a shared future. Canonical https://savingplaces.org/ Open Graph Title @SavingPlaces | National Trust for Historic Preservation Open Graph Description The National Trust for Historic Preservation activates the power of place to serve the public good, improve people’s lives, and enable a shared future. Open Graph Image https://cdn.savingplaces.org/2026/07/14/09/34/39/dfa1b279... Twitter Card summary_large_image Twitter Title @SavingPlaces | National Trust for Historic Preservation Twitter Description The National Trust for Historic Preservation activates the power of place to serve the public good, improve people’s lives, and enable a shared future. Twitter Image https://cdn.savingplaces.org/2026/07/14/09/34/39/dfa1b279... Detected Technologies
| Technology | Google Analytics Google Tag Manager Nginx |
Technology Google Analytics Google Tag Manager Nginx
HTTP Headers
| Content-type
| text/html; charset=utf-8 |
| Vary
| Accept-Encoding |
| Status
| 200 OK |
| Cache-control
| max-age=0, private, must-revalidate |
| Strict-transport-security
| max-age=63072000; preload |
| Referrer-policy
| strict-origin-when-cross-origin |
| X-permitted-cross-domain-policies
| none |
| X-xss-protection
| 0 |
| X-request-id
| 13b07c01-4506-46ec-b855-25c0f7e105b0 |
| Etag
| W/"9ca0bcf565bbbd5a70b670650a567e7e" |
| X-runtime
| 0.004885 |
| X-content-type-options
| nosniff |
| Date
| Thu, 23 Jul 2026 00:57:13 GMT |
| X-powered-by
| Phusion Passenger(R) 6.1.4 |
| Server
| nginx + Phusion Passenger(R) 6.1.4 |
| X-frame-options
| allow-from https://nthp.maps.arcgis.com |
| Content-encoding
| gzip |
Meta Tags
| X-UA-Compatible | IE=edge |
| Csrf-param | authenticity_token |
| Csrf-token | vCUtKX7sxaVjwswGXNSYAFQKXSDPqboBfmA-n7flIoB9hd3sLe73RbwZLirBfaM05EDUmkxgsg5f7q8pqmgRkg |
| Viewport | width=device-width, initial-scale=1 |
| Description | The National Trust for Historic Preservation activates the power of place to serve the public good, improve people’s lives, and enable a shared future. |
| P:domain_verify | 78c54134cf1455c35f9849769f415f8d |
| Msapplication-TileColor | #41ade5 |
| Theme-color | #ffffff |
Content-type text/html; charset=utf-8
Vary Accept-Encoding
Status 200 OK
Cache-control max-age=0, private, must-revalidate
Strict-transport-security max-age=63072000; preload
Referrer-policy strict-origin-when-cross-origin
X-permitted-cross-domain-policies none
X-xss-protection 0
X-request-id 13b07c01-4506-46ec-b855-25c0f7e105b0
Etag W/"9ca0bcf565bbbd5a70b670650a567e7e"
X-runtime 0.004885
X-content-type-options nosniff
Date Thu, 23 Jul 2026 00:57:13 GMT
X-powered-by Phusion Passenger(R) 6.1.4
Server nginx + Phusion Passenger(R) 6.1.4
X-frame-options allow-from https://nthp.maps.arcgis.com
Content-encoding gzip
