Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 23.185.0.4 |
| Server Software | nginx |
| CDN | CDN (MISS, MISS) |
| 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. |
|
🕐 🟡 Slow Response (1312 ms) | Response time exceeds 1 second. Consider optimizing the server or using caching. |
|
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 23.185.0.4
Server Software nginx
CDN CDN (MISS, MISS)
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.
🕐 🟡 Slow Response (1312 ms) Response time exceeds 1 second. Consider optimizing the server or using caching.
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
Performance
| DNS Lookup | 152.5 ms |
| TCP Connect | 153.4 ms |
| TLS Handshake | 6.9 ms |
| Time To First Byte (TTFB) | 1293.9 ms |
| Content Download | 17.8 ms |
| Total Response Time | 1311.7 ms |
DNS Lookup 152.5 ms
TCP Connect 153.4 ms
TLS Handshake 6.9 ms
Time To First Byte (TTFB) 1293.9 ms
Content Download 17.8 ms
Total Response Time 1311.7 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=300 |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=300
CSP ⚠ Not configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Vascular Specialists | Society for Vascular Surgery |
| Canonical | https://vascular.org/ |
Title Vascular Specialists | Society for Vascular Surgery
Canonical https://vascular.org/
Detected Technologies
| Technology | Drupal jQuery Google Analytics Google Tag Manager Nginx |
Technology Drupal jQuery Google Analytics Google Tag Manager Nginx
HTTP Headers
| Cache-control
| must-revalidate, no-cache, private |
| Content-encoding
| gzip |
| Content-language
| en |
| Content-type
| text/html; charset=UTF-8 |
| Expires
| Sun, 19 Nov 1978 05:00:00 GMT |
| Server
| nginx |
| Strict-transport-security
| max-age=300 |
| X-content-type-options
| nosniff |
| X-drupal-cache
| MISS |
| X-drupal-dynamic-cache
| MISS |
| X-frame-options
| SAMEORIGIN |
| X-generator
| Drupal 10 (https://www.drupal.org) |
| X-pantheon-styx-hostname
| styx-us-a-55f5b7b84b-n4n6w |
| X-styx-req-id
| 64de6fa2-a167-11f1-b5cc-ba756b74649e |
| Date
| Wed, 26 Aug 2026 16:01:28 GMT |
| X-served-by
| cache-chi-klot8100089-CHI, cache-par-lfpg1960051-PAR |
| X-cache
| MISS, MISS |
| X-cache-hits
| 0, 0 |
| X-timer
| S1787760087.058096,VS0,VE1132 |
| Vary
| Accept-Encoding, Cookie, Cookie |
| Age
| 0 |
| Accept-ranges
| bytes |
| Via
| 1.1 varnish, 1.1 varnish |
Meta Tags
| Keywords | Vascular surgery, peripheral arterial disease, vascular disease, vascular health, diabetes, stroke, claudication, vascular education |
| Google-site-verification | ca-pub-4674463823516216 |
| Generator | Drupal 10 (https://www.drupal.org) |
| MobileOptimized | width |
| HandheldFriendly | true |
| Viewport | width=device-width, initial-scale=1.0 |
Cache-control must-revalidate, no-cache, private
Content-encoding gzip
Content-language en
Content-type text/html; charset=UTF-8
Expires Sun, 19 Nov 1978 05:00:00 GMT
Server nginx
Strict-transport-security max-age=300
X-content-type-options nosniff
X-drupal-cache MISS
X-drupal-dynamic-cache MISS
X-frame-options SAMEORIGIN
X-generator Drupal 10 (https://www.drupal.org)
X-pantheon-styx-hostname styx-us-a-55f5b7b84b-n4n6w
X-styx-req-id 64de6fa2-a167-11f1-b5cc-ba756b74649e
Date Wed, 26 Aug 2026 16:01:28 GMT
X-served-by cache-chi-klot8100089-CHI, cache-par-lfpg1960051-PAR
X-cache MISS, MISS
X-cache-hits 0, 0
X-timer S1787760087.058096,VS0,VE1132
Vary Accept-Encoding, Cookie, Cookie
Age 0
Accept-ranges bytes
Via 1.1 varnish, 1.1 varnish
