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://safaribooksonline.com:443 | 301 | HTTP/1.1 301 Moved Permanently |
| 2 | https://www.oreilly.com/ | 200 | HTTP/2 200 |
#1 URL https://safaribooksonline.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 | 17.8 ms |
| TCP Connect | 18.9 ms |
| TLS Handshake | 4.4 ms |
| Time To First Byte (TTFB) | 64.3 ms |
| Content Download | 2.4 ms |
| Total Response Time | 66.7 ms |
DNS Lookup 17.8 ms
TCP Connect 18.9 ms
TLS Handshake 4.4 ms
Time To First Byte (TTFB) 64.3 ms
Content Download 2.4 ms
Total Response Time 66.7 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
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| Last-modified
| Sun, 26 Jul 2026 10:04:36 GMT |
| Accept-ranges
| bytes |
| Vary
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| Content-type
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| X-akamai-transformed
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| Cache-control
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| Expires
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| Date
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| Content-length
| 41104 |
| Set-cookie
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| Referrer-policy
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| Strict-transport-security
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| X-content-type-options
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Meta Tags
| Description | Build the skills your teams need. Give them the O |
| Date | 2026-07-26 |
| Search_date | 2025-07-18 |
| Search-title | O |
| Pagename | O |
| Site | 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
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Accept-ranges bytes
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Date Sun, 26 Jul 2026 13:08:00 GMT
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