Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 34.169.83.167 |
| Server Software | Apache |
| Compression | gzip |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 34.169.83.167
Server Software Apache
Compression gzip
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://oreilly.com:443 | 301 | HTTP/1.1 301 Moved Permanently |
| 2 | https://www.oreilly.com/ | 200 | HTTP/2 200 |
#1 URL https://oreilly.com:443
HTTP Status Code 301
Status HTTP/1.1 301 Moved Permanently
#2 URL https://www.oreilly.com/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 16.8 ms |
| TCP Connect | 17.8 ms |
| TLS Handshake | 4.6 ms |
| Time To First Byte (TTFB) | 146 ms |
| Content Download | 1.8 ms |
| Total Response Time | 147.8 ms |
DNS Lookup 16.8 ms
TCP Connect 17.8 ms
TLS Handshake 4.6 ms
Time To First Byte (TTFB) 146 ms
Content Download 1.8 ms
Total Response Time 147.8 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000; includeSubDomains |
| CSP | ✔ Configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| Referrer Policy | strict-origin |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31536000; includeSubDomains
CSP ✔ Configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
Referrer Policy strict-origin
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
Detected Technologies
| Technology | jQuery Google Analytics Google Tag Manager Apache PHP |
Technology jQuery Google Analytics Google Tag Manager Apache PHP
HTTP Headers
| Server
| Apache |
| Content-security-policy
| default-src https://www.oreilly.com/pFav1IwNI/BRH/gMQ/jC3PCujPP9-8/VSmErww3/XEtocQ/eWgyZ/28kblEU https://www.oreilly.com/pFav1IwNI/BRH/gMQ/jC3PCujPP9-8/VSmErww3/XEtocQ/eWgyZ/28kblEU https://www.oreilly.com/pFav1IwNI/BRH/gMQ/jC3PCujPP9-8/DOmErwQLJSDVbr/NGVhcQ/VSwAY/R8yaXUB https://www.oreilly.com * 'unsafe-inline' 'unsafe-eval' data: blob: android-webview-video-poster: moz-extension: ms-browser-extension: chrome-extension: ios-log:; |
| Last-modified
| Wed, 19 Aug 2026 20:16:55 GMT |
| Accept-ranges
| bytes |
| Vary
| Accept-Encoding |
| Content-type
| text/html |
| X-akamai-transformed
| 0 - 0 - |
| Content-encoding
| gzip |
| Cache-control
| max-age=13986 |
| Expires
| Thu, 20 Aug 2026 12:45:11 GMT |
| Date
| Thu, 20 Aug 2026 08:52:05 GMT |
| Content-length
| 42230 |
| Set-cookie
| bm_sz=52BB06018E76896FB5AA97CC2631C316~YAAQ2IMQAiAXdeqfAQAA49FeHgCg3BOYa9FR+gokBjho0aGiC4B0ZyNxnAuCdzL8LEdcmot+AWo/e1VpWOABBWEr4yPAzahogE6sltDuoxgGi8PdUqjus35JjpKPsAKoonQqAhxQPj3/BYLZ+xtxwB1zButKKeRdBR1oNGwsdLn/XvnNOEM5yisqE5mOYEbg3+w3eVqQAlaQWjYvopfBdBgiOv2ie6bCQRncAfpZ0RzBXq6fr3YXXg84UpIr3wt0EK4WqPTGuU6DGdtY8c54mL0FdX6mH0OXnpopqvQI62mS1eenvao6UjD6cucFvHcfiWLcl+AGTn52m7Vk9ch90CUgvq685TnW0vXRzKVfzhCDpJ/cTtZJ4wY4lxfPooMiy4vZRb+MwfKB/MoRsp5csWb5aL8jsmTHkW20pdEJXltswjPtESR2~3228212~3682357; Domain=.oreilly.com; Path=/; Expires=Thu, 20 Aug 2026 12:52:05 GMT; Max-Age=14400 |
| Referrer-policy
| strict-origin |
| Strict-transport-security
| max-age=31536000; includeSubDomains |
| X-content-type-options
| nosniff |
| X-frame-options
| SAMEORIGIN |
Meta Tags
| Description | Build the skills your teams need. Give them the O |
| Date | 2026-08-19 |
| Search_date | 2025-07-18 |
| Search-title | O |
| Pagename | O |
| Site | O |
| Title | O |
| X-UA-Compatible | IE=edge |
| Viewport | width=device-width, initial-scale=1 |
| Language_name | English |
| Native_language_name | English |
| Format-detection | telephone=no |
Server Apache
Content-security-policy default-src https://www.oreilly.com/pFav1IwNI/BRH/gMQ/jC3PCujPP9-8/VSmErww3/XEtocQ/eWgyZ/28kblEU https://www.oreilly.com/pFav1IwNI/BRH/gMQ/jC3PCujPP9-8/VSmErww3/XEtocQ/eWgyZ/28kblEU https://www.oreilly.com/pFav1IwNI/BRH/gMQ/jC3PCujPP9-8/DOmErwQLJSDVbr/NGVhcQ/VSwAY/R8yaXUB https://www.oreilly.com * 'unsafe-inline' 'unsafe-eval' data: blob: android-webview-video-poster: moz-extension: ms-browser-extension: chrome-extension: ios-log:;
Last-modified Wed, 19 Aug 2026 20:16:55 GMT
Accept-ranges bytes
Vary Accept-Encoding
Content-type text/html
X-akamai-transformed 0 - 0 -
Content-encoding gzip
Cache-control max-age=13986
Expires Thu, 20 Aug 2026 12:45:11 GMT
Date Thu, 20 Aug 2026 08:52:05 GMT
Content-length 42230
Set-cookie bm_sz=52BB06018E76896FB5AA97CC2631C316~YAAQ2IMQAiAXdeqfAQAA49FeHgCg3BOYa9FR+gokBjho0aGiC4B0ZyNxnAuCdzL8LEdcmot+AWo/e1VpWOABBWEr4yPAzahogE6sltDuoxgGi8PdUqjus35JjpKPsAKoonQqAhxQPj3/BYLZ+xtxwB1zButKKeRdBR1oNGwsdLn/XvnNOEM5yisqE5mOYEbg3+w3eVqQAlaQWjYvopfBdBgiOv2ie6bCQRncAfpZ0RzBXq6fr3YXXg84UpIr3wt0EK4WqPTGuU6DGdtY8c54mL0FdX6mH0OXnpopqvQI62mS1eenvao6UjD6cucFvHcfiWLcl+AGTn52m7Vk9ch90CUgvq685TnW0vXRzKVfzhCDpJ/cTtZJ4wY4lxfPooMiy4vZRb+MwfKB/MoRsp5csWb5aL8jsmTHkW20pdEJXltswjPtESR2~3228212~3682357; Domain=.oreilly.com; Path=/; Expires=Thu, 20 Aug 2026 12:52:05 GMT; Max-Age=14400
Referrer-policy strict-origin
Strict-transport-security max-age=31536000; includeSubDomains
X-content-type-options nosniff
X-frame-options SAMEORIGIN
