Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 159.182.75.47 |
| Server Software | Microsoft-IIS/10.0 |
| 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 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 159.182.75.47
Server Software Microsoft-IIS/10.0
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 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.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://informit.com:443 | 301 | HTTP/1.1 301 Moved Permanently |
| 2 | http://www.informit.com/ | 301 | HTTP/1.0 301 Moved Permanently |
| 3 | https://www.informit.com/ | 200 | HTTP/1.1 200 OK |
#1 URL https://informit.com:443
HTTP Status Code 301
Status HTTP/1.1 301 Moved Permanently
#2 URL http://www.informit.com/
HTTP Status Code 301
Status HTTP/1.0 301 Moved Permanently
#3 URL https://www.informit.com/
HTTP Status Code 200
Status HTTP/1.1 200 OK
Performance
| DNS Lookup | 0.8 ms |
| TCP Connect | 12.9 ms |
| TLS Handshake | 15.4 ms |
| Time To First Byte (TTFB) | 228.9 ms |
| Content Download | 11.9 ms |
| Total Response Time | 240.8 ms |
DNS Lookup 0.8 ms
TCP Connect 12.9 ms
TLS Handshake 15.4 ms
Time To First Byte (TTFB) 228.9 ms
Content Download 11.9 ms
Total Response Time 240.8 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | InformIT: The Trusted Technology Source for IT Pros and Developers |
| Meta Description | Resources from the authors, creators, innovators, & leaders of technology - home to leading publishers Addison-Wesley Professional, & Sams. |
| Canonical | https://www.informit.com/ |
Title InformIT: The Trusted Technology Source for IT Pros and Developers
Meta Description Resources from the authors, creators, innovators, & leaders of technology - home to leading publishers Addison-Wesley Professional, & Sams.
Canonical https://www.informit.com/
Detected Technologies
| Technology | jQuery Google Analytics Google Tag Manager Cloudflare |
Technology jQuery Google Analytics Google Tag Manager Cloudflare
HTTP Headers
| Cache-Control
| private |
| Content-Type
| text/html; charset=utf-8 |
| Content-Encoding
| gzip |
| Vary
| Accept-Encoding |
| Server
| Microsoft-IIS/10.0 |
| X-AspNetMvc-Version
| 4.0 |
| X-AspNet-Version
| 4.0.30319 |
| X-Frame-Options
| SAMEORIGIN |
| Date
| Thu, 20 Aug 2026 18:08:59 GMT |
| Content-Length
| 42144 |
Meta Tags
| X-UA-Compatible | IE=edge,chrome=1 |
| Google-site-verification | GOY_g4NwXq6XtpsZA7EQ4BAj8lXrMv5tqMk5Einwj5M |
| Content-Type | text/html; charset=utf-8 |
| Viewport | width=device-width, initial-scale=1 |
| Description | Resources from the authors, creators, innovators, & leaders of technology - home to leading publishers Addison-Wesley Professional, & Sams. |
| Webstatsdomain.com_meta | https://www.informit.com/ |
| Bitly-verification | 6a992dcef533 |
Cache-Control private
Content-Type text/html; charset=utf-8
Content-Encoding gzip
Vary Accept-Encoding
Server Microsoft-IIS/10.0
X-AspNetMvc-Version 4.0
X-AspNet-Version 4.0.30319
X-Frame-Options SAMEORIGIN
Date Thu, 20 Aug 2026 18:08:59 GMT
Content-Length 42144
