Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 31.24.154.237 |
| Server Software | nginx/1.20.1 |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
|
ℹ 🔵 No Compression | The server does not use Gzip or Brotli. Enable compression to reduce bandwidth usage. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 31.24.154.237
Server Software nginx/1.20.1
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
ℹ 🔵 No Compression The server does not use Gzip or Brotli. Enable compression to reduce bandwidth usage.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://zendalibros.com:443 | 301 | HTTP/2 301 |
| 2 | https://www.zendalibros.com/ | 200 | HTTP/2 200 |
#1 URL https://zendalibros.com:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.zendalibros.com/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 17.8 ms |
| TCP Connect | 41.7 ms |
| TLS Handshake | 51.1 ms |
| Time To First Byte (TTFB) | 120.4 ms |
| Content Download | 119.6 ms |
| Total Response Time | 240 ms |
DNS Lookup 17.8 ms
TCP Connect 41.7 ms
TLS Handshake 51.1 ms
Time To First Byte (TTFB) 120.4 ms
Content Download 119.6 ms
Total Response Time 240 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000; includeSubDomains |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31536000; includeSubDomains
CSP ⚠ Not configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Zenda · Autores, libros & cía |
| Meta Description | ¿Sería posible crear una especie de lugar o plaza común, de legión extranjera donde a nadie se le preguntara sino por libros y literatura?, Pérez-Reverte. |
| Canonical | https://www.zendalibros.com/ |
| Robots Meta | index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 |
| Open Graph Title | Zenda · Autores, libros & cía |
| Open Graph Description | ¿Sería posible crear una especie de lugar o plaza común, de legión extranjera donde a nadie se le preguntara sino por libros y literatura?, Pérez-Reverte. |
| Twitter Card | summary_large_image |
Title Zenda · Autores, libros & cía
Meta Description ¿Sería posible crear una especie de lugar o plaza común, de legión extranjera donde a nadie se le preguntara sino por libros y literatura?, Pérez-Reverte.
Canonical https://www.zendalibros.com/
Robots Meta index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Open Graph Title Zenda · Autores, libros & cía
Open Graph Description ¿Sería posible crear una especie de lugar o plaza común, de legión extranjera donde a nadie se le preguntara sino por libros y literatura?, Pérez-Reverte.
Twitter Card summary_large_image
Detected Technologies
| Technology | WordPress jQuery Google Analytics Google Tag Manager Nginx PHP |
Technology WordPress jQuery Google Analytics Google Tag Manager Nginx PHP
HTTP Headers
| Server
| nginx/1.20.1 |
| Date
| Fri, 24 Jul 2026 20:41:44 GMT |
| Content-type
| text/html; charset=UTF-8 |
| X-powered-by
| PHP/7.3.33 |
| Last-modified
| Fri, 24 Jul 2026 20:40:03 GMT |
| Strict-transport-security
| max-age=31536000; includeSubDomains |
| X-frame-options
| SAMEORIGIN |
| X-content-type-options
| nosniff |
| X-xss-protection
| 1; mode=block |
Meta Tags
| Viewport | initial-scale=1.0 |
| Robots | index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 |
| Description | ¿Sería posible crear una especie de lugar o plaza común, de legión extranjera donde a nadie se le preguntara sino por libros y literatura?, Pérez-Reverte. |
| Article:modified_time | 2026-07-24T01:19:37+00:00 |
| Generator | WordPress 6.4.3 |
Server nginx/1.20.1
Date Fri, 24 Jul 2026 20:41:44 GMT
Content-type text/html; charset=UTF-8
X-powered-by PHP/7.3.33
Last-modified Fri, 24 Jul 2026 20:40:03 GMT
Strict-transport-security max-age=31536000; includeSubDomains
X-frame-options SAMEORIGIN
X-content-type-options nosniff
X-xss-protection 1; mode=block
