Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 104.16.151.108 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| Compression | gzip |
|
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. |
|
ℹ 🔵 Missing X-Frame-Options | The site can be embedded in iframes by third parties (clickjacking risk). |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 104.16.151.108
Server Software cloudflare
CDN Cloudflare
Compression gzip
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.
ℹ 🔵 Missing X-Frame-Options The site can be embedded in iframes by third parties (clickjacking risk).
Performance
| DNS Lookup | 6.4 ms |
| TCP Connect | 8.3 ms |
| TLS Handshake | 11.5 ms |
| Time To First Byte (TTFB) | 35 ms |
| Content Download | 0.8 ms |
| Total Response Time | 35.8 ms |
DNS Lookup 6.4 ms
TCP Connect 8.3 ms
TLS Handshake 11.5 ms
Time To First Byte (TTFB) 35 ms
Content Download 0.8 ms
Total Response Time 35.8 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Author of Deep Work, Study Hacks Blog - Cal Newport |
| Meta Description | Official website of Georgetown Professor Cal Newport, author of the Study Hacks blog, Deep Work, and other New York Times bestselling books. |
| Canonical | https://calnewport.com/ |
| Robots Meta | index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 |
| Open Graph Title | Author of Deep Work, Study Hacks Blog - Cal Newport |
| Open Graph Description | Official website of Georgetown Professor Cal Newport, author of the Study Hacks blog, Deep Work, and other New York Times bestselling books. |
| Open Graph Image | https://calnewport.com/wp-content/uploads/2024/05/maincal... |
| Twitter Card | summary_large_image |
Title Author of Deep Work, Study Hacks Blog - Cal Newport Meta Description Official website of Georgetown Professor Cal Newport, author of the Study Hacks blog, Deep Work, and other New York Times bestselling books. Canonical https://calnewport.com/ Robots Meta index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 Open Graph Title Author of Deep Work, Study Hacks Blog - Cal Newport Open Graph Description Official website of Georgetown Professor Cal Newport, author of the Study Hacks blog, Deep Work, and other New York Times bestselling books. Open Graph Image https://calnewport.com/wp-content/uploads/2024/05/maincal... Twitter Card summary_large_image Detected Technologies
| Technology | WordPress jQuery Google Analytics Google Tag Manager Cloudflare PHP |
Technology WordPress jQuery Google Analytics Google Tag Manager Cloudflare PHP
HTTP Headers
| Date
| Wed, 19 Aug 2026 22:16:39 GMT |
| Content-type
| text/html; charset=UTF-8 |
| Server
| cloudflare |
| Vary
| Accept-Encoding |
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| X-ua-compatible
| IE=edge |
| Cache-control
| public, max-age=0, s-maxage=2592000 |
| Age
| 59595 |
| Last-modified
| Wed, 19 Aug 2026 05:48:23 GMT |
| Cf-cache-status
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| Cf-ray
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Meta Tags
| Robots | index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 |
| Viewport | width=device-width, initial-scale=1 |
| Description | Official website of Georgetown Professor Cal Newport, author of the Study Hacks blog, Deep Work, and other New York Times bestselling books. |
| Article:modified_time | 2025-07-03T14:23:48+00:00 |
| Msapplication-TileImage |  |
Date Wed, 19 Aug 2026 22:16:39 GMT
Content-type text/html; charset=UTF-8
Server cloudflare
Vary Accept-Encoding
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Cache-control public, max-age=0, s-maxage=2592000
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Cf-cache-status HIT
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