Información Técnica
| Código de estado HTTP | 200 |
| Versión HTTP | HTTP/1.1 |
| HTTPS | ✔ Disponible |
| Dirección IP | 34.107.134.59 |
| Software del servidor | nginx |
| Compresión | gzip |
|
ℹ 🔵 Falta Content Security Policy | No se ha configurado CSP. Ayuda a prevenir ataques XSS e inyección de contenido. |
Código de estado HTTP 200
Versión HTTP HTTP/1.1
HTTPS ✔ Disponible
Dirección IP 34.107.134.59
Software del servidor nginx
Compresión gzip
ℹ 🔵 Falta Content Security Policy No se ha configurado CSP. Ayuda a prevenir ataques XSS e inyección de contenido.
Rendimiento
| Resolución DNS | 4.2 ms |
| Conexión TCP | 6.1 ms |
| Negociación TLS | 11.4 ms |
| Tiempo hasta el primer byte (TTFB) | 250.1 ms |
| Descarga de contenido | 2.6 ms |
| Tiempo total de respuesta | 252.7 ms |
Resolución DNS 4.2 ms
Conexión TCP 6.1 ms
Negociación TLS 11.4 ms
Tiempo hasta el primer byte (TTFB) 250.1 ms
Descarga de contenido 2.6 ms
Tiempo total de respuesta 252.7 ms
Seguridad
| HTTPS | ✔ Activado |
| HSTS | ✔ max-age=31536000; includeSubDomains; preload |
| CSP | ⚠ No configurado |
| X-Frame-Options | ✔ DENY |
| X-Content-Type-Options | ✔ nosniff |
| Política de Referrer | same-origin |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Activado
HSTS ✔ max-age=31536000; includeSubDomains; preload
CSP ⚠ No configurado
X-Frame-Options ✔ DENY
X-Content-Type-Options ✔ nosniff
Política de Referrer same-origin
HTTP/2 ⚠ HTTP/1.1
Comprobación SEO
| Título | PubMed |
| Meta descripción | PubMed® comprises more than 40 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full text content from PubMed Central and publisher web sites. |
| Canonical | https://pubmed.ncbi.nlm.nih.gov/ |
| Robots Meta | index,follow,noarchive |
| Título Open Graph | PubMed |
| Descripción Open Graph | PubMed® comprises more than 40 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full text content from PubMed Central and publisher web sites. |
| Imagen Open Graph | https://cdn.ncbi.nlm.nih.gov/pubmed/persistent/pubmed-met... |
| Twitter Card | summary_large_image |
| Título Twitter | PubMed |
| Descripción Twitter | PubMed® comprises more than 40 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full text content from PubMed Central and publisher web sites. |
| Imagen Twitter | https://cdn.ncbi.nlm.nih.gov/pubmed/persistent/pubmed-met... |
Título PubMed Meta descripción PubMed® comprises more than 40 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full text content from PubMed Central and publisher web sites. Canonical https://pubmed.ncbi.nlm.nih.gov/ Robots Meta index,follow,noarchive Título Open Graph PubMed Descripción Open Graph PubMed® comprises more than 40 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full text content from PubMed Central and publisher web sites. Imagen Open Graph https://cdn.ncbi.nlm.nih.gov/pubmed/persistent/pubmed-met... Twitter Card summary_large_image Título Twitter PubMed Descripción Twitter PubMed® comprises more than 40 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full text content from PubMed Central and publisher web sites. Imagen Twitter https://cdn.ncbi.nlm.nih.gov/pubmed/persistent/pubmed-met... Tecnologías Detectadas
| Tecnología | jQuery Google Analytics Nginx |
Tecnología jQuery Google Analytics Nginx
Cabeceras HTTP
| Date
| Tue, 28 Jul 2026 11:51:53 GMT |
| Server
| nginx |
| Strict-transport-security
| max-age=31536000; includeSubDomains; preload |
| Vary
| origin |
| Content-type
| text/html; charset=utf-8 |
| Cache-control
| private |
| Referrer-policy
| same-origin |
| X-frame-options
| DENY |
| X-content-type-options
| nosniff |
| Cross-origin-opener-policy
| same-origin |
| Content-encoding
| gzip |
| Set-cookie
| ncbi_sid=9EF600ADA688BE63_6971SID; Domain=.nih.gov; expires=Wed, 28 Jul 2027 11:51:53 GMT; HttpOnly; Max-Age=31536000; Path=/; Secure |
| X-ua-compatible
| IE=Edge |
| X-xss-protection
| 1; mode=block |
| Via
| 1.1 google |
| Alt-svc
| clear |
Meta Tags
| X-UA-Compatible | IE=edge |
| HandheldFriendly | True |
| MobileOptimized | 320 |
| Viewport | width=device-width, initial-scale=1.0 |
| Theme-color | #20558a |
| Referrer | origin-when-cross-origin |
| Ncbi_pinger_gtm_track | true |
| Ncbi_app | pubmed |
| Ncbi_db | pubmed |
| Ncbi_phid | AD3E00012917956500003961A744A065.1.m_1 |
| Ncbi_pinger_stat_url | https://pubmed.ncbi.nlm.nih.gov/stat |
| Log_category | literature |
| Ncbi_cost_center | pubmed |
| Ncbi_pdid | home |
| Log_op | page_view |
| Description | PubMed® comprises more than 40 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full text content from PubMed Central and publisher web sites. |
| Keywords | PubMed, NIH, NLM, NCBI, National Institutes of Health, National Center for Biotechnology Information, National Library of Medicine, MEDLINE, Medical Journals, pub med, Journal Articles, Citation search |
| Robots | index,follow,noarchive |
Date Tue, 28 Jul 2026 11:51:53 GMT
Server nginx
Strict-transport-security max-age=31536000; includeSubDomains; preload
Vary origin
Content-type text/html; charset=utf-8
Cache-control private
Referrer-policy same-origin
X-frame-options DENY
X-content-type-options nosniff
Cross-origin-opener-policy same-origin
Content-encoding gzip
Set-cookie ncbi_sid=9EF600ADA688BE63_6971SID; Domain=.nih.gov; expires=Wed, 28 Jul 2027 11:51:53 GMT; HttpOnly; Max-Age=31536000; Path=/; Secure
X-ua-compatible IE=Edge
X-xss-protection 1; mode=block
Via 1.1 google
Alt-svc clear
