Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 192.124.249.113 |
| Server Software | Sucuri/Cloudproxy |
| Compression | gzip |
|
🔒 🟡 Mixed Content (2 HTTP resources) | The page is served over HTTPS but loads 2 resource(s) over HTTP. This may be blocked in modern browsers. |
|
🕐 🟡 Slow Response (1110 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 192.124.249.113
Server Software Sucuri/Cloudproxy
Compression gzip
🔒 🟡 Mixed Content (2 HTTP resources) The page is served over HTTPS but loads 2 resource(s) over HTTP. This may be blocked in modern browsers.
🕐 🟡 Slow Response (1110 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.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://nngroup.com:443 | 301 | HTTP/2 301 |
| 2 | https://www.nngroup.com/ | 200 | HTTP/2 200 |
#1 URL https://nngroup.com:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.nngroup.com/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 39.1 ms |
| TCP Connect | 40.7 ms |
| TLS Handshake | 5.2 ms |
| Time To First Byte (TTFB) | 1108.7 ms |
| Content Download | 1.4 ms |
| Total Response Time | 1110.2 ms |
DNS Lookup 39.1 ms
TCP Connect 40.7 ms
TLS Handshake 5.2 ms
Time To First Byte (TTFB) 1108.7 ms
Content Download 1.4 ms
Total Response Time 1110.2 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=63072000; includeSubDomains; preload |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| Referrer Policy | strict-origin-when-cross-origin |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=63072000; includeSubDomains; preload
CSP ⚠ Not configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
Referrer Policy strict-origin-when-cross-origin
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Nielsen Norman Group: UX Training, Consulting, & Research - NN/G |
| Meta Description | A leader in the user experience field, NN/g conducts groundbreaking research, trains and certifies UX practitioners, and provides UX consulting to clients. |
| Open Graph Title | Nielsen Norman Group: UX Training, Consulting, & Research |
| Open Graph Description | A leader in the user experience field, NN/g conducts groundbreaking research, trains and certifies UX practitioners, and provides UX consulting to clients. |
| Open Graph Image | https://media.nngroup.com/media/metadata/opengraph_images... |
Title Nielsen Norman Group: UX Training, Consulting, & Research - NN/G Meta Description A leader in the user experience field, NN/g conducts groundbreaking research, trains and certifies UX practitioners, and provides UX consulting to clients. Open Graph Title Nielsen Norman Group: UX Training, Consulting, & Research Open Graph Description A leader in the user experience field, NN/g conducts groundbreaking research, trains and certifies UX practitioners, and provides UX consulting to clients. Open Graph Image https://media.nngroup.com/media/metadata/opengraph_images... Detected Technologies
| Technology | Google Analytics Google Tag Manager |
Technology Google Analytics Google Tag Manager
HTTP Headers
| Date
| Wed, 22 Jul 2026 09:08:10 GMT |
| Content-type
| text/html; charset=utf-8 |
| Content-length
| 32859 |
| X-sucuri-id
| 19012 |
| Age
| 14197 |
| Cache-control
| max-age=14400 |
| Content-encoding
| gzip |
| Content-security-policy-report-only
| style-src 'self' https://s3.amazonaws.com/media.nngroup.com/ https://media.nngroup.com; default-src 'self'; script-src 'self' https://s3.amazonaws.com/media.nngroup.com/ https://media.nngroup.com; connect-src 'self'; font-src 'self' https://s3.amazonaws.com/media.nngroup.com/ https://media.nngroup.com; img-src 'self' https://s3.amazonaws.com/media.nngroup.com/ https://media.nngroup.com |
| Cross-origin-opener-policy
| same-origin |
| Expires
| Wed, 22 Jul 2026 09:11:33 GMT |
| Nel
| {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1} |
| Referrer-policy
| strict-origin-when-cross-origin |
| Report-to
| {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=%2FVf5mJGxzOylCTrNgglx1s3TT4RCvwPtNZcsZZYRwvE%3D\u0026sid=929419e7-33ea-4e2f-85f0-7d8b7cd5cbd6\u0026ts=1784711289"}],"max_age":3600} |
| Reporting-endpoints
| heroku-nel="https://nel.heroku.com/reports?s=%2FVf5mJGxzOylCTrNgglx1s3TT4RCvwPtNZcsZZYRwvE%3D&sid=929419e7-33ea-4e2f-85f0-7d8b7cd5cbd6&ts=1784711289" |
| Strict-transport-security
| max-age=63072000; includeSubDomains; preload |
| Vary
| Cookie, Accept-Encoding |
| Via
| 1.1 heroku-router |
| X-content-type-options
| nosniff |
| X-frame-options
| SAMEORIGIN |
| Server
| Sucuri/Cloudproxy |
| X-sucuri-cache
| EXPIRED |
| Alt-svc
| h3=":443"; ma=86400 |
Meta Tags
| Viewport | width=device-width, initial-scale=1, shrink-to-fit=no |
| Description | A leader in the user experience field, NN/g conducts groundbreaking research, trains and certifies UX practitioners, and provides UX consulting to clients. |
| Keywords | Jakob Nielsen, Don Norman, Donald A. Norman, Bruce Tognazzini, Tog, usability consulting, usability consultant, UX consulting, UX consultant, usability training, user experience, user-centered design, UCD, human factors, Web guru, design gurus, process improvement, NNG, nngroup |
| Google-site-verification | l0IUeb5igyeFisldPra8f_Qt0z2WGy8cobau_DRiJUs |
Date Wed, 22 Jul 2026 09:08:10 GMT
Content-type text/html; charset=utf-8
Content-length 32859
X-sucuri-id 19012
Age 14197
Cache-control max-age=14400
Content-encoding gzip
Content-security-policy-report-only style-src 'self' https://s3.amazonaws.com/media.nngroup.com/ https://media.nngroup.com; default-src 'self'; script-src 'self' https://s3.amazonaws.com/media.nngroup.com/ https://media.nngroup.com; connect-src 'self'; font-src 'self' https://s3.amazonaws.com/media.nngroup.com/ https://media.nngroup.com; img-src 'self' https://s3.amazonaws.com/media.nngroup.com/ https://media.nngroup.com
Cross-origin-opener-policy same-origin
Expires Wed, 22 Jul 2026 09:11:33 GMT
Nel {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
Referrer-policy strict-origin-when-cross-origin
Report-to {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=%2FVf5mJGxzOylCTrNgglx1s3TT4RCvwPtNZcsZZYRwvE%3D\u0026sid=929419e7-33ea-4e2f-85f0-7d8b7cd5cbd6\u0026ts=1784711289"}],"max_age":3600}
Reporting-endpoints heroku-nel="https://nel.heroku.com/reports?s=%2FVf5mJGxzOylCTrNgglx1s3TT4RCvwPtNZcsZZYRwvE%3D&sid=929419e7-33ea-4e2f-85f0-7d8b7cd5cbd6&ts=1784711289"
Strict-transport-security max-age=63072000; includeSubDomains; preload
Vary Cookie, Accept-Encoding
Via 1.1 heroku-router
X-content-type-options nosniff
X-frame-options SAMEORIGIN
Server Sucuri/Cloudproxy
X-sucuri-cache EXPIRED
Alt-svc h3=":443"; ma=86400