Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 45.223.25.1 |
| Server Software | nginx |
| CDN | CDN |
| Compression | gzip |
|
🔒 🟡 Mixed Content (1 HTTP resources) | The page is served over HTTPS but loads 1 resource(s) over HTTP. This may be blocked in modern browsers. |
|
🕐 🟡 Slow Response (1874 ms) | Response time exceeds 1 second. Consider optimizing the server or using caching. |
|
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 45.223.25.1
Server Software nginx
CDN CDN
Compression gzip
🔒 🟡 Mixed Content (1 HTTP resources) The page is served over HTTPS but loads 1 resource(s) over HTTP. This may be blocked in modern browsers.
🕐 🟡 Slow Response (1874 ms) Response time exceeds 1 second. Consider optimizing the server or using caching.
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://penguinlibros.com:443 | 301 | HTTP/2 301 |
| 2 | https://www.penguinlibros.com/ | 301 | HTTP/2 301 |
| 3 | https://www.penguinlibros.com/es/ | 200 | HTTP/2 200 |
#1 URL https://penguinlibros.com:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.penguinlibros.com/
HTTP Status Code 301
Status HTTP/2 301
#3 URL https://www.penguinlibros.com/es/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 0.4 ms |
| TCP Connect | 9.3 ms |
| TLS Handshake | 11.9 ms |
| Time To First Byte (TTFB) | 1795.1 ms |
| Content Download | 79 ms |
| Total Response Time | 1874.1 ms |
DNS Lookup 0.4 ms
TCP Connect 9.3 ms
TLS Handshake 11.9 ms
Time To First Byte (TTFB) 1795.1 ms
Content Download 79 ms
Total Response Time 1874.1 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000; includeSubDomains; |
| CSP | ✔ Configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ✔ nosniff |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31536000; includeSubDomains;
CSP ✔ Configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ✔ nosniff
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Penguin Libros - Comprar libros online, ebook y audiolibros |
| Meta Description | Empieza a leer los mejores libros, ebooks y audiolibros en Penguin Libros. Compra tus libros online ahora. ¡Visítanos! |
| Robots Meta | index, follow |
| Open Graph Title | Penguin Libros - Comprar libros online, ebook y audiolibros |
| Open Graph Description | Empieza a leer los mejores libros, ebooks y audiolibros en Penguin Libros. Compra tus libros online ahora. ¡Visítanos! |
| Open Graph Image | https://www.penguinlibros.comhttps://www.penguinlibros.co... |
Title Penguin Libros - Comprar libros online, ebook y audiolibros Meta Description Empieza a leer los mejores libros, ebooks y audiolibros en Penguin Libros. Compra tus libros online ahora. ¡Visítanos! Robots Meta index, follow Open Graph Title Penguin Libros - Comprar libros online, ebook y audiolibros Open Graph Description Empieza a leer los mejores libros, ebooks y audiolibros en Penguin Libros. Compra tus libros online ahora. ¡Visítanos! Open Graph Image https://www.penguinlibros.comhttps://www.penguinlibros.co... Detected Technologies
| Technology | jQuery Google Analytics Google Tag Manager Nginx PHP |
Technology jQuery Google Analytics Google Tag Manager Nginx PHP
HTTP Headers
| Date
| Thu, 23 Jul 2026 18:52:48 GMT |
| Content-type
| text/html; charset=utf-8 |
| Server
| nginx |
| Set-cookie
| incap_ses_649_2409791=+Ht4b3KhGFJe/lPKKbYBCf9iYmoAAAAABzjsjJQLTPSvVdnieafAiQ==; path=/; Domain=.penguinlibros.com |
| Expires
| Thu, 19 Nov 1981 08:52:00 GMT |
| Cache-control
| no-store, no-cache, must-revalidate |
| Pragma
| no-cache |
| Vary
| Accept-Encoding |
| Content-encoding
| gzip |
| Strict-transport-security
| max-age=31536000; includeSubDomains; |
| X-xss-protection
| 1; mode=block |
| X-content-type-options
| nosniff |
| Content-security-policy
| frame-ancestors 'self' https://*.facebook.com https://*.instagram.com; |
| X-cdn
| Imperva |
| X-iinfo
| 53-314378838-314378849 NNNN CT(29 44 0) RT(1784832766961 15) q(0 0 1 0) r(17 18) U24 |
Meta Tags
| X-ua-compatible | ie=edge |
| Title | Penguin Libros - Comprar libros online, ebook y audiolibros |
| Description | Empieza a leer los mejores libros, ebooks y audiolibros en Penguin Libros. Compra tus libros online ahora. ¡Visítanos! |
| Keywords | libros, audiolibros, ebooks, penguin libros, leer libros, comprar libros, comprar audiolibros, comprar ebooks |
| Robots | index, follow |
| Tdm-reservation | 1 |
| Viewport | initial-scale=1,user-scalable=no,maximum-scale=1,width=device-width |
| Msapplication-TileColor | #ffffff |
| Msapplication-TileImage |  |
| Theme-color | #ffffff |
Date Thu, 23 Jul 2026 18:52:48 GMT
Content-type text/html; charset=utf-8
Server nginx
Set-cookie incap_ses_649_2409791=+Ht4b3KhGFJe/lPKKbYBCf9iYmoAAAAABzjsjJQLTPSvVdnieafAiQ==; path=/; Domain=.penguinlibros.com
Expires Thu, 19 Nov 1981 08:52:00 GMT
Cache-control no-store, no-cache, must-revalidate
Pragma no-cache
Vary Accept-Encoding
Content-encoding gzip
Strict-transport-security max-age=31536000; includeSubDomains;
X-xss-protection 1; mode=block
X-content-type-options nosniff
Content-security-policy frame-ancestors 'self' https://*.facebook.com https://*.instagram.com;
X-cdn Imperva
X-iinfo 53-314378838-314378849 NNNN CT(29 44 0) RT(1784832766961 15) q(0 0 1 0) r(17 18) U24
