Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 23.185.0.4 |
| Server Software | nginx |
| CDN | CDN (HIT, HIT) |
| Compression | gzip |
|
🔒 🟡 Mixed Content (6 HTTP resources) | The page is served over HTTPS but loads 6 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. |
|
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 23.185.0.4
Server Software nginx
CDN CDN (HIT, HIT)
Compression gzip
🔒 🟡 Mixed Content (6 HTTP resources) The page is served over HTTPS but loads 6 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.
ℹ 🔵 Missing X-Frame-Options The site can be embedded in iframes by third parties (clickjacking risk).
Performance
| DNS Lookup | 9.2 ms |
| TCP Connect | 10.8 ms |
| TLS Handshake | 9.1 ms |
| Time To First Byte (TTFB) | 29 ms |
| Content Download | 0.7 ms |
| Total Response Time | 29.7 ms |
DNS Lookup 9.2 ms
TCP Connect 10.8 ms
TLS Handshake 9.1 ms
Time To First Byte (TTFB) 29 ms
Content Download 0.7 ms
Total Response Time 29.7 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=300 |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=300
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Texas Digital Library | The Texas Digital Library is a consortium of Texas higher education institutions that builds capacity for preserving, managing, and providing access to unique digital collections of enduring value. |
| Canonical | https://tdl.org/ |
| Robots Meta | max-image-preview:large |
Title Texas Digital Library | The Texas Digital Library is a consortium of Texas higher education institutions that builds capacity for preserving, managing, and providing access to unique digital collections of enduring value.
Canonical https://tdl.org/
Robots Meta max-image-preview:large
Detected Technologies
| Technology | WordPress jQuery Google Analytics Google Tag Manager Nginx PHP |
Technology WordPress jQuery Google Analytics Google Tag Manager Nginx PHP
HTTP Headers
| Cache-control
| public, max-age=604800 |
| Content-encoding
| gzip |
| Content-type
| text/html; charset=UTF-8 |
| Link
| ; rel=shortlink |
| Server
| nginx |
| Strict-transport-security
| max-age=300 |
| X-pantheon-styx-hostname
| styx-us-a-7ffbcf568d-8bqh4 |
| X-styx-req-id
| 222b000e-8a93-11f1-8d79-ae5cc830296b |
| X-tec-api-origin
| https://tdl.org |
| X-tec-api-root
| https://tdl.org/wp-json/tribe/events/v1/ |
| X-tec-api-version
| v1 |
| Date
| Tue, 28 Jul 2026 18:47:29 GMT |
| X-served-by
| cache-chi-klot8100102-CHI, cache-par-lfpb1150065-PAR |
| X-cache
| HIT, HIT |
| X-cache-hits
| 14, 0 |
| X-timer
| S1785264449.412715,VS0,VE7 |
| Vary
| Accept-Encoding, Cookie, Cookie |
| Age
| 14453 |
| Accept-ranges
| bytes |
| Via
| 1.1 varnish, 1.1 varnish |
| Content-length
| 19044 |
Meta Tags
| Viewport | width=device-width, initial-scale=1.0 |
| Robots | max-image-preview:large |
| Generator | WordPress 7.0.2 |
| Tec-api-version | v1 |
| Tec-api-origin | https://tdl.org |
| Msapplication-TileImage |  |
Cache-control public, max-age=604800
Content-encoding gzip
Content-type text/html; charset=UTF-8
Link ; rel=shortlink
Server nginx
Strict-transport-security max-age=300
X-pantheon-styx-hostname styx-us-a-7ffbcf568d-8bqh4
X-styx-req-id 222b000e-8a93-11f1-8d79-ae5cc830296b
X-tec-api-origin https://tdl.org
X-tec-api-root https://tdl.org/wp-json/tribe/events/v1/
X-tec-api-version v1
Date Tue, 28 Jul 2026 18:47:29 GMT
X-served-by cache-chi-klot8100102-CHI, cache-par-lfpb1150065-PAR
X-cache HIT, HIT
X-cache-hits 14, 0
X-timer S1785264449.412715,VS0,VE7
Vary Accept-Encoding, Cookie, Cookie
Age 14453
Accept-ranges bytes
Via 1.1 varnish, 1.1 varnish
Content-length 19044
