Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 170.171.208.137 |
| Server Software | nginx |
| CDN | CDN (Hit from cloudfront) |
| Compression | gzip |
|
🔒 🟡 Mixed Content (5 HTTP resources) | The page is served over HTTPS but loads 5 resource(s) over HTTP. This may be blocked in modern browsers. |
|
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 170.171.208.137
Server Software nginx
CDN CDN (Hit from cloudfront)
Compression gzip
🔒 🟡 Mixed Content (5 HTTP resources) The page is served over HTTPS but loads 5 resource(s) over HTTP. This may be blocked in modern browsers.
ℹ 🔵 Missing X-Frame-Options The site can be embedded in iframes by third parties (clickjacking risk).
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://penguinrandomhouse.com:443 | 301 | HTTP/1.0 301 Moved Permanently |
| 2 | https://www.penguinrandomhouse.com/ | 200 | HTTP/2 200 |
#1 URL https://penguinrandomhouse.com:443
HTTP Status Code 301
Status HTTP/1.0 301 Moved Permanently
#2 URL https://www.penguinrandomhouse.com/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 10.5 ms |
| TCP Connect | 11.4 ms |
| TLS Handshake | 7.5 ms |
| Time To First Byte (TTFB) | 23.8 ms |
| Content Download | 1.5 ms |
| Total Response Time | 25.3 ms |
DNS Lookup 10.5 ms
TCP Connect 11.4 ms
TLS Handshake 7.5 ms
Time To First Byte (TTFB) 23.8 ms
Content Download 1.5 ms
Total Response Time 25.3 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000; includeSubdomains |
| CSP | ✔ Configured |
| X-Frame-Options | ⚠ Not configured |
| 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 ⚠ Not configured
X-Content-Type-Options ✔ nosniff
Referrer Policy strict-origin
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Penguin Random House |
| Meta Description | Committed to publishing great books, connecting readers and authors globally, and spreading the love of reading. |
| Canonical | https://www.penguinrandomhouse.com |
| Robots Meta | index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 |
| Open Graph Title | Penguin Random House |
| Open Graph Description | Committed to publishing great books, connecting readers and authors globally, and spreading the love of reading. |
| Open Graph Image | https://www.penguinrandomhouse.com/wp-content/themes/peng... |
| Twitter Card | summary |
| Twitter Title | Penguin Random House |
| Twitter Description | Committed to publishing great books, connecting readers and authors globally, and spreading the love of reading. |
| Twitter Image | https://www.penguinrandomhouse.com/wp-content/themes/peng... |
Title Penguin Random House Meta Description Committed to publishing great books, connecting readers and authors globally, and spreading the love of reading. Canonical https://www.penguinrandomhouse.com Robots Meta index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 Open Graph Title Penguin Random House Open Graph Description Committed to publishing great books, connecting readers and authors globally, and spreading the love of reading. Open Graph Image https://www.penguinrandomhouse.com/wp-content/themes/peng... Twitter Card summary Twitter Title Penguin Random House Twitter Description Committed to publishing great books, connecting readers and authors globally, and spreading the love of reading. Twitter Image https://www.penguinrandomhouse.com/wp-content/themes/peng... Detected Technologies
| Technology | WordPress React jQuery Google Analytics Nginx PHP |
Technology WordPress React jQuery Google Analytics Nginx PHP
HTTP Headers
| Content-type
| text/html; charset=UTF-8 |
| Date
| Tue, 28 Jul 2026 16:59:29 GMT |
| Referrer-policy
| strict-origin |
| Content-encoding
| gzip |
| Server
| nginx |
| X-xss-protection
| 1 |
| Content-security-policy
| frame-ancestors 'self' https://cart.penguinrandomhouse.com/ https://sites.dev.penguinrandomhouse.com/ https://sites.tst.penguinrandomhouse.com/ https://sites.prh.com/ https://iteratehq.com/ https://c.lytics.io/ *.penguinrandomhouse.com *.dev.penguinrandomhouse.com *.tst.penguinrandomhouse.com |
| X-content-type-options
| nosniff |
| Strict-transport-security
| max-age=31536000; includeSubdomains |
| Vary
| Accept-Encoding |
| X-cache
| Hit from cloudfront |
| Via
| 1.1 8e9b80092a2c6949e1181dd5d05813f0.cloudfront.net (CloudFront) |
| X-amz-cf-pop
| CDG54-P2 |
| Alt-svc
| h3=":443"; ma=86400 |
| X-amz-cf-id
| mnLOwrd5_yEBpOTKBki2TMi342zhwFxB2mOKhy2A5jdnQAHh-ede6A== |
| Age
| 2518 |
Meta Tags
| Viewport | initial-scale=1,width=device-width,height=device-height |
| Fb:pages | 13673457388 |
| Fb:app_id | 356679881167712 |
| Description | Committed to publishing great books, connecting readers and authors globally, and spreading the love of reading. |
| Robots | index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 |
Content-type text/html; charset=UTF-8
Date Tue, 28 Jul 2026 16:59:29 GMT
Referrer-policy strict-origin
Content-encoding gzip
Server nginx
X-xss-protection 1
Content-security-policy frame-ancestors 'self' https://cart.penguinrandomhouse.com/ https://sites.dev.penguinrandomhouse.com/ https://sites.tst.penguinrandomhouse.com/ https://sites.prh.com/ https://iteratehq.com/ https://c.lytics.io/ *.penguinrandomhouse.com *.dev.penguinrandomhouse.com *.tst.penguinrandomhouse.com
X-content-type-options nosniff
Strict-transport-security max-age=31536000; includeSubdomains
Vary Accept-Encoding
X-cache Hit from cloudfront
Via 1.1 8e9b80092a2c6949e1181dd5d05813f0.cloudfront.net (CloudFront)
X-amz-cf-pop CDG54-P2
Alt-svc h3=":443"; ma=86400
X-amz-cf-id mnLOwrd5_yEBpOTKBki2TMi342zhwFxB2mOKhy2A5jdnQAHh-ede6A==
Age 2518