Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 137.184.47.206 |
| Server Software | nginx |
| CDN | CDN (HIT) |
| Compression | gzip |
|
🔒 🟡 Mixed Content (3 HTTP resources) | The page is served over HTTPS but loads 3 resource(s) over HTTP. This may be blocked in modern browsers. |
|
ℹ 🔵 Missing HSTS | HTTP Strict Transport Security is not configured. Recommended for HTTPS sites. |
|
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 137.184.47.206
Server Software nginx
CDN CDN (HIT)
Compression gzip
🔒 🟡 Mixed Content (3 HTTP resources) The page is served over HTTPS but loads 3 resource(s) over HTTP. This may be blocked in modern browsers.
ℹ 🔵 Missing HSTS HTTP Strict Transport Security is not configured. Recommended for HTTPS sites.
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
Performance
| DNS Lookup | 106.9 ms |
| TCP Connect | 253.5 ms |
| TLS Handshake | 149.4 ms |
| Time To First Byte (TTFB) | 553.6 ms |
| Content Download | 0.3 ms |
| Total Response Time | 553.8 ms |
DNS Lookup 106.9 ms
TCP Connect 253.5 ms
TLS Handshake 149.4 ms
Time To First Byte (TTFB) 553.6 ms
Content Download 0.3 ms
Total Response Time 553.8 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Tax Education, CE & Membership for Tax Professionals | NSTP |
| Meta Description | NSTP provides tax education, CE courses, events, tax research, and membership resources for tax professionals seeking credits, updates, and growth. |
| Canonical | http://nstp.org/ |
| Open Graph Title | Tax Education, CE Courses & Membership for Tax Professionals | NSTP |
| Open Graph Description | NSTP provides tax education, CE courses, events, tax research, and membership resources for tax professionals seeking credits, updates, and growth. |
Title Tax Education, CE & Membership for Tax Professionals | NSTP
Meta Description NSTP provides tax education, CE courses, events, tax research, and membership resources for tax professionals seeking credits, updates, and growth.
Canonical http://nstp.org/
Open Graph Title Tax Education, CE Courses & Membership for Tax Professionals | NSTP
Open Graph Description NSTP provides tax education, CE courses, events, tax research, and membership resources for tax professionals seeking credits, updates, and growth.
Detected Technologies
| Technology | Drupal Google Analytics Nginx |
Technology Drupal Google Analytics Nginx
HTTP Headers
| Server
| nginx |
| Date
| Fri, 28 Aug 2026 20:16:37 GMT |
| Content-type
| text/html; charset=UTF-8 |
| Content-length
| 9239 |
| Cache-control
| max-age=900, public |
| X-drupal-dynamic-cache
| HIT |
| Content-language
| en |
| X-content-type-options
| nosniff |
| X-frame-options
| SAMEORIGIN |
| Expires
| Sun, 19 Nov 1978 05:00:00 GMT |
| Vary
| Cookie,Accept-Encoding |
| X-generator
| Drupal 10 (https://www.drupal.org) |
| X-drupal-cache
| HIT |
| Last-modified
| Fri, 07 Aug 2026 01:27:57 GMT |
| Etag
| "1786066077-gzip" |
| Content-encoding
| gzip |
| Age
| 1796630 |
| X-cache
| HIT |
| Accept-ranges
| bytes |
Meta Tags
| Description | NSTP provides tax education, CE courses, events, tax research, and membership resources for tax professionals seeking credits, updates, and growth. |
| Generator | Drupal 10 (https://www.drupal.org) |
| MobileOptimized | width |
| HandheldFriendly | true |
| Viewport | width=device-width, initial-scale=1.0 |
Server nginx
Date Fri, 28 Aug 2026 20:16:37 GMT
Content-type text/html; charset=UTF-8
Content-length 9239
Cache-control max-age=900, public
X-drupal-dynamic-cache HIT
Content-language en
X-content-type-options nosniff
X-frame-options SAMEORIGIN
Expires Sun, 19 Nov 1978 05:00:00 GMT
Vary Cookie,Accept-Encoding
X-generator Drupal 10 (https://www.drupal.org)
X-drupal-cache HIT
Last-modified Fri, 07 Aug 2026 01:27:57 GMT
Etag "1786066077-gzip"
Content-encoding gzip
Age 1796630
X-cache HIT
Accept-ranges bytes
