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 | 57.1 ms |
| TCP Connect | 58.6 ms |
| TLS Handshake | 4.5 ms |
| Time To First Byte (TTFB) | 110.9 ms |
| Content Download | 2.3 ms |
| Total Response Time | 113.2 ms |
DNS Lookup 57.1 ms
TCP Connect 58.6 ms
TLS Handshake 4.5 ms
Time To First Byte (TTFB) 110.9 ms
Content Download 2.3 ms
Total Response Time 113.2 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/Omx8e/EEvMlIU https://www.oreilly.com/pFav1IwNI/BRH/gMQ/jC3PCujPP9-8/VSmErww3/XEtocQ/Omx8e/EEvMlIU 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=12979 |
| Expires
| Thu, 20 Aug 2026 10:40:16 GMT |
| Date
| Thu, 20 Aug 2026 07:03:57 GMT |
| Content-length
| 42231 |
| Set-cookie
| bm_sz=0440DEA7EF0B37D8B05EC78EF529DC0D~YAAQ2IMQAn8Lc+qfAQAAtM/7HQAH+S4qP0Fbs2aUrW/JMpD6PsvX6HBBw86PnbvJY1wiFGmwl5HHEUvzSnD7odsoJWE3ikBxPZqjHs18WJb2y29JFFn7wShOVTpsF/BIuBY6lQ9ibEyAjt2hr7Qgo+D6736DTbBy+zRdYcJV4DZxM3U9Uf7DXC8W7rz6x42DCy4T1/F9UgfBk35yZLkiGuNYSbx+ibxUUa7JztCrcGSCTLUcfc5PVBaSzDIDSSBJG4QiYvCgjfGXGC15A5sFBKtcF/uNHevFTECSYXv0KmdBswMpVntOXQ8URJ9FuPtMohKynLwRceT7qTH0cCcMNHvRaW/yVV2p2mc7Fg61qCgWR39bNjwDS7eme3hl4f6OwEUsAKSsxXUbakQn8aq6aKVycqW+2GhAeouBEMU1+WrrQDHTSpdC~4601144~3487030; Domain=.oreilly.com; Path=/; Expires=Thu, 20 Aug 2026 11:03:57 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/Omx8e/EEvMlIU https://www.oreilly.com/pFav1IwNI/BRH/gMQ/jC3PCujPP9-8/VSmErww3/XEtocQ/Omx8e/EEvMlIU 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=12979
Expires Thu, 20 Aug 2026 10:40:16 GMT
Date Thu, 20 Aug 2026 07:03:57 GMT
Content-length 42231
Set-cookie bm_sz=0440DEA7EF0B37D8B05EC78EF529DC0D~YAAQ2IMQAn8Lc+qfAQAAtM/7HQAH+S4qP0Fbs2aUrW/JMpD6PsvX6HBBw86PnbvJY1wiFGmwl5HHEUvzSnD7odsoJWE3ikBxPZqjHs18WJb2y29JFFn7wShOVTpsF/BIuBY6lQ9ibEyAjt2hr7Qgo+D6736DTbBy+zRdYcJV4DZxM3U9Uf7DXC8W7rz6x42DCy4T1/F9UgfBk35yZLkiGuNYSbx+ibxUUa7JztCrcGSCTLUcfc5PVBaSzDIDSSBJG4QiYvCgjfGXGC15A5sFBKtcF/uNHevFTECSYXv0KmdBswMpVntOXQ8URJ9FuPtMohKynLwRceT7qTH0cCcMNHvRaW/yVV2p2mc7Fg61qCgWR39bNjwDS7eme3hl4f6OwEUsAKSsxXUbakQn8aq6aKVycqW+2GhAeouBEMU1+WrrQDHTSpdC~4601144~3487030; Domain=.oreilly.com; Path=/; Expires=Thu, 20 Aug 2026 11:03:57 GMT; Max-Age=14400
Referrer-policy strict-origin
Strict-transport-security max-age=31536000; includeSubDomains
X-content-type-options nosniff
X-frame-options SAMEORIGIN
