Ciencia.unam.mx - SEO Checker

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Overview of the SEO Check
Meta information
62% 
Page quality
43% 
Page structure
79% 
Link structure
62% 
Server
95% 
External factors
100% 
SEO Score
Response time
1.82 s
File size
40.60 kB
Words
323
Media files
81
Number of links
51 internal / 41 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Ciencia UNAM
The page title is too short. (132 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
Ciencia UNAM es un espacio público de comunicación de la ciencia en lenguaje accesible donde podrás encontrar artículos, entrevistas, infografías, interactivos, audios, videos y galerías fotográficas. Nuestras publicaciones son incluyentes de todos los campos de las ciencias, las humanidades y las ciencias sociales.
The meta description is too long: 1963 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is specified.
Language
(Somewhat important)
Language detected in text: es
Language defined in HTTP-Equiv meta tag: es-mx
Server location: United States of America
The following language is defined by HTML: es-mx
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
No favicon is linked in the HTML code.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1
descriptionCiencia UNAM es un espacio público de comunicación de la ciencia en lenguaje accesible donde podrás encontrar artículos, entrevistas, infografías, interactivos, audios, videos y galerías fotográficas. Nuestras publicaciones son incluyentes de todos los campos de las ciencias, las humanidades y las ciencias sociales.
keywordsDGDC, divulgación de la ciencia, ciencia, UNAM, ciencia_unam, ambiente,naturaleza,salud,universo,energia,matematicas,tecnologia,cultura,sociedad,tv
authorDenys González Cordova, Ernesto Núñez Flores, Roberto Ramírez García, Julio César Romero Salvador
twitter:cardsummary_large_image
twitter:site@ciencia_unam
twitter:creator@ciencia_unam
twitter:titleEmpty
twitter:descriptionEmpty
twitter:imagehttps://ciencia.unam.mx/
og:titleEmpty
og:urlhttps://ciencia.unam.mx/
og:imagehttps://ciencia.unam.mx/
og:descriptionEmpty
og:site_nameCiencia UNAM
og:localees_ES
content-typetext/html; charset=UTF-8
content-languagees-MX
X-UA-CompatibleIE=edge
cache-controlno-cache
expiresTue, 01 Jan 1980 1:00:00 GMT
pragmano-cache

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Page quality

Content
(Critically important)
Only 1 paragraph/s was/were found on this page.
There are only 323 words on this page. Good pages should have about 800 words of useful content.
25.1% of the text are stop words.
The page contains a listing, which indicates a good text layout.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 22 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1" is provided.
Bold and strong tags
(Somewhat important)
The amount of tags is very high (11). We recommend using a maximum of 6 tags for this page.
Image SEO
(Somewhat important)
51 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
/assets/base/logo-top-unam.svgEscudo unam
/assets/base/logo-top-dgdc.svgLogo DGDC
/assets/base/barra_inicio.gifencabezado_seccion
/assets/base/lupa.pngNo alt attribute provided
/assets/base/logo-top-unam.pngNo alt attribute provided
/assets/base/logo-top-dgdc.pngNo alt attribute provided
/assets/base/btn_medio.svgmedioa
/assets/base/btn_medio_b.svgmediob
/assets/base/btn_salud.svgsaluda
/assets/base/btn_salud_b.svgsaludb
/assets/base/btn_tierra.svgtierraa
/assets/base/btn_tierra_b.svgtierrab
/assets/base/btn_matematicas.svgmatematicasa
/assets/base/btn_matematicas_b.svgmatematicasb
/assets/base/btn_materia.svgmateria
/assets/base/btn_materia_b.svgmateriab
/assets/base/btn_tecnologia.svgtecnologiaa
/assets/base/btn_tecnologia_b.svgtecnologiab
/assets/base/btn_cultura.svgculturaa
/assets/base/btn_cultura_b.svgculturab
/assets/base/btn_universo.svguniversoa
/assets/base/btn_universo_b.svguniversob
/assets/base/barra_inicio.gifencabezado_seccion
...xtos/ar_bioplasticos_ibt_02_26022025.jpgNo alt attribute providedInnovación tecnológica para crear mejores bioplásticos
...oads/textos/ar_tosferina_01_18032025.jpgNo alt attribute providedBrote de tos ferina en México ¿Debemos preocuparnos?
...io_radiosfera_ano_cuantica_240320251.jpgNo alt attribute providedEl mundo cuántico cerca de ti
/uploads/textos/ar_aranceles_13032025.jpgNo alt attribute providedGuerra de Aranceles. La polémica estrategia de Donald Trump
...youtube.com/vi/1j9-jv_Qzxw/hqdefault.jpgNo alt attribute providedDía Mundial del Agua ¿Qué pasó en la presa Madín?
...extos/en_migracion_trump_04032025_01.jpgNo alt attribute provided
/assets/base/bl-la-ciencia-en-el-mundo.svgLa ciencie en el mundo
/assets/base/bl-la-huella-del-jaguar.svgLa huella del jaguar
/assets/base/bl-unamirada.svgUNAMirada a la ciencia
/assets/mediateca/btn_imagenes_b.svgNo alt attribute provided
/assets/mediateca/btn_imagenes.svgNo alt attribute provided
/assets/mediateca/btn_audios_b.svgNo alt attribute provided
/assets/mediateca/btn_audios.svgNo alt attribute provided
/assets/mediateca/btn_entrevistas_b.svgNo alt attribute provided
/assets/mediateca/btn_entrevistas.svgNo alt attribute provided
/assets/mediateca/btn_articulos_b.svgNo alt attribute provided
/assets/mediateca/btn_articulos.svgNo alt attribute provided
/assets/mediateca/btn_infografias_b.svgNo alt attribute provided
/assets/mediateca/btn_infografias.svgNo alt attribute provided
/assets/mediateca/btn_videos_b.svgNo alt attribute provided
/assets/mediateca/btn_videos.svgNo alt attribute provided
/assets/base/logo-facebook-cu.svgNo alt attribute provided
/assets/base/logo-twitter-cu.svgNo alt attribute provided
/assets/base/logo-youtube-cu.svgNo alt attribute provided
/assets/banner/banner-gacetas.jpgGacetas UNAM
/assets/banner/banner-mision-espacial.jpgMisión espacial
/assets/banner/coronavirus-ciencia-unam.svgCovid-19
/assets/ciencia/buques.gifNo alt attribute provided
/assets/ciencia/colecciones.gifNo alt attribute provided
/assets/ciencia/museos.gifNo alt attribute provided
/assets/ciencia/investigadores.gifNo alt attribute provided
/assets/ciencia/servicios.gifNo alt attribute provided
/assets/ciencia/navega.gifNo alt attribute provided
/assets/ciencia/observatorios.gifNo alt attribute provided
/assets/ciencia/sedes-foraneas.gifNo alt attribute provided
/assets/ciencia/bibliotecas.gifNo alt attribute provided
/assets/ciencia/programas.gifNo alt attribute provided
/assets/ciencia/laboratorios.gifNo alt attribute provided
/assets/ciencia/humanidades.gifNo alt attribute provided
/assets/banner/banner-comoves.jpgRevista ¿Cómo ves?
/assets/banner/novedad-editorial.pngNo alt attribute provided
/assets/banner/museo-de-la-luz.pngNo alt attribute provided
/assets/banner/universum.pngNo alt attribute provided
...banner/unamirada_mexico_tenochtitlan.pngNo alt attribute provided
/assets/banner/cienciaadistancia.pngNo alt attribute provided
/assets/banner/biblioteca.pngNo alt attribute provided
/assets/banner/Comoves_revista.pngNo alt attribute provided
/assets/banner/ru-ameyalli.jpgNo alt attribute provided
/assets/banner/Libros.pngNo alt attribute provided
/assets/banner/la-ciencia-que-somos.jpgNo alt attribute provided
...ts/banner/hay-quimica-entre-nosotros.pngNo alt attribute provided
/assets/banner/porquesomosninos.pngNo alt attribute provided
/assets/base/logo-pie-unam.gifUniversidad Nacional Autónoma de México
/assets/base/logo-pie-dgdc.gifDirección General de Divulgación de la Ciencia
/assets/base/logo-pie-unam-muralismo.gif100 años de muralismo
/assets/base/logo-pie-facebook.gifNo alt attribute provided
/assets/base/logo-pie-twitter.gifNo alt attribute provided
/assets/base/logo-pie-youtube.gifNo alt attribute provided

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H4 encuentra
Some anchor texts are used more than once.
7 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are too many external links (41) on this page.

Found links on this page

LinkAttributesAnchor text
http://www.unam.mx/New window External Subdomain IMG-ALT Escudo unam
http://www.dgdc.unam.mx/New window External Subdomain IMG-ALT Logo DGDC
https://ciencia.unam.mx/Subdomain IMG-ALT encabezado_seccion
http://www.unam.mx/New window External Subdomain No Text
http://www.dgdc.unam.mx/New window External Subdomain No Text
/contenido/tematica/medioSubdomain Ambiente y Naturaleza
IMG-ALT medioa
/contenido/tematica/saludSubdomain Salud
IMG-ALT saluda
/contenido/tematica/tierraSubdomain Ciencias de la Tierra
IMG-ALT tierraa
/contenido/tematica/matematicasSubdomain Matemáticas
IMG-ALT matematicasa
/contenido/tematica/materiaSubdomain Materia y Energía
IMG-ALT materia
/contenido/tematica/tecnologiaSubdomain Tecnología
IMG-ALT tecnologiaa
/contenido/tematica/culturaSubdomain Cultura y Sociedad
IMG-ALT culturaa
/contenido/tematica/universoSubdomain Universo
IMG-ALT universoa
https://ciencia.unam.mx/Subdomain Text duplicate IMG-ALT encabezado_seccion
/leer/1581/innovacion-tecnolog...Subdomain No Text
/leer/1580/brote-de-tos-ferina...Subdomain No Text
/contenido/audio/394/Subdomain No Text
/leer/1579/guerra-de-aranceles...Subdomain No Text
/contenido/video/366/dia-mundi...Subdomain No Text
/leer/1578/los-migrantes-no-de...Subdomain No Text
https://ciencia.unam.mx/Anchor Previous
https://ciencia.unam.mx/Anchor Next
http://blogs.ciencia.unam.mx/c...New window External Subdomain IMG-ALT La ciencie en el mundo
https://blogs.ciencia.unam.mx/...New window External Subdomain Inteligencia artificial: la expresión del 2022
https://blogs.ciencia.unam.mx/...New window External Subdomain El mapa más difícil de crear y descifrar
https://blogs.ciencia.unam.mx/...New window External Subdomain Uniones distanciadas
http://blogs.ciencia.unam.mx/l...New window External Subdomain IMG-ALT La huella del jaguar
https://blogs.ciencia.unam.mx/...New window External Subdomain Acompáñanos a aprender de los primates del Nuevo Mundo
https://blogs.ciencia.unam.mx/...New window External Subdomain Los murciélagos no son ratones con alas...
https://blogs.ciencia.unam.mx/...New window External Subdomain Maternidad al extremo: Leptonycteris yerbabuenae en el Desierto Sonorense
http://www.unamiradaalaciencia...New window External Subdomain IMG-ALT UNAMirada a la ciencia
http://www.unamiradaalaciencia...New window External Subdomain Semanal
http://www.unamiradaalaciencia...New window External Subdomain Cartel mensual
/contenido/mediateca/galeriaSubdomain Imágenes
/contenido/mediateca/audioSubdomain Audios
/contenido/mediateca/entrevistaSubdomain Entrevistas
/contenido/mediateca/articuloSubdomain Artículos
/contenido/mediateca/infografiaSubdomain Infografías
/contenido/mediateca/videoSubdomain Videos
https://www.facebook.com/Cienc...New window External Subdomain No Text
https://twitter.com/ciencia_unamNew window External No Text
https://www.youtube.com/channe...New window External Subdomain No Text
https://ciencia.unam.mx/gacetasSubdomain IMG-ALT Gacetas UNAM
/mision/espacialSubdomain IMG-ALT Misión espacial
/especial/coronavirusSubdomain IMG-ALT Covid-19
/contenido/postales/todasSubdomain Navega por la Ciencia en la UNAM
/contenido/postales/buquesSubdomain Buques
A-TITLE Buques
/contenido/postales/coleccione...Subdomain Colecciones Nacionales
A-TITLE Colecciones Nacionales
/contenido/postales/divulgacionSubdomain Divulgación
A-TITLE Divulgación
/contenido/postales/investigad...Subdomain Investigadores
A-TITLE Investigadores
/contenido/postales/serviciosSubdomain Servicios
A-TITLE Servicios
/contenido/mapaSubdomain Navega por la Ciencia
A-TITLE Navega por la Ciencia
/contenido/postales/observatoriosSubdomain Observatorios
A-TITLE Observatorios
/ contenido/postales/presencia...Subdomain Presencia en México
A-TITLE Presencia en México
/contenido/postales/bibliotecasSubdomain Bibliotecas
A-TITLE Bibliotecas
/ contenido/postales/programas...Subdomain Programas Universitarios
A-TITLE Programas Universitarios
/contenido/postales/laboratoriosSubdomain Laboratorios
A-TITLE Laboratorios
/contenido/postales/humanidadesSubdomain Humanidades
A-TITLE Humanidades
/contenido/mediateca/comicSubdomain Descubre tu vocación
/contenido/cienciaSubdomain La ciencia y tú
/contenido/ideas/Subdomain Tus ideas en línea
/contenido/chavos/Subdomain Ciencia para chavos
https://boletos.universum.unam...New window External Subdomain IMG-ALT Revista ¿Cómo ves?
http://www.libros.unam.mx/astr...New window External Subdomain No Text
http://www.museodelaluz.unam.mx/New window External Subdomain No Text
https://www.universum.unam.mx/New window External Subdomain No Text
http://www.unamiradaalaciencia...New window External Subdomain No Text
https://www.youtube.com/channe...New window External Subdomain No Text
https://biblioteca.universum.u...New window External Subdomain No Text
https://www.comoves.unam.mx/New window External Subdomain No Text
https://ru.ameyalli.dgdc.unam.mx/New window External Subdomain No Text
https://www.dgdc.unam.mx/librosNew window External Subdomain No Text
https://www.dgdc.unam.mx/activ...New window External Subdomain No Text
/assets/banner/hay_quimica_ent...New window Subdomain No Text
https://www.dgdc.unam.mx/activ...New window External Subdomain No Text
https://ciencia.unam.mx/Subdomain Inicio
/contenido/quienesSubdomain Quiénes somos
/contenido/colaboraSubdomain Publica con nosotros
/contenido/serviciosSubdomain Servicios UNAM
/contenido/contactoSubdomain Contacto
https://www.unam.mx/New window External Subdomain IMG-ALT Universidad Nacional Autónoma de México
https://www.dgdc.unam.mx/New window External Subdomain IMG-ALT Dirección General de Divulgación de la Ciencia
https://www.unam.mx/New window External Subdomain IMG-ALT 100 años de muralismo
https://www.unam.mx/New window External Subdomain Universidad Nacional Autónoma de México (UNAM)
https://www.dgdc.unam.mx/New window External Subdomain Dirección General de Divulgación de la Ciencia (DGDC)
/contenido/creditosSubdomain Créditos
http://dgapa.unam.mx/index.php...New window External Subdomain PAPIME
https://www.dgdc.unam.mx/New window External Subdomain Dirección General de Divulgación de la Ciencia de la UNAM
http://www.smart-systems.mx/New window External Subdomain Smart Systems
https://www.facebook.com/DGDCUNAMNew window External Subdomain No Text
https://twitter.com/DGDCUNAMNew window External No Text
https://www.youtube.com/DGDCUNAMNew window External Subdomain No Text

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://ciencia.unam.mx/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is very slow (1.82 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
The file size of the HTML document is fine (41 kB).

HTTP Response Header

NameValue
serveropenresty
dateThu, 03 Apr 2025 21:14:26 GMT
content-typetext/html; charset=UTF-8
set-cookie128 Characters
expiresThu, 19 Nov 1981 08:52:00 GMT
cache-controlno-store, no-cache, must-revalidate
pragmano-cache
x-frame-optionsSAMEORIGIN
content-encodinggzip
strict-transport-securitymax-age=63072000;includeSubDomains; preload
x-served-byciencia.unam.mx
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 747 referring domains.
This page has 5,179 backlinks.
This page has backlinks from 640 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

# www.robotstxt.org/

# Allow crawling of all content
User-agent: *
Disallow:

Similar sites

Search preview

ciencia.unam.mx
Ciencia UNAM
Ciencia UNAM es un espacio público de comunicación de la ciencia en lenguaje accesible donde podrás encontrar artículos, entrevistas, infografías, interactivos, audios, videos y galerías fotográficas. Nuestras publicaciones son incluyentes de todos los campos de las ciencias, las humanidades y las ciencias sociales.

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
ciencia78%Check
Ciencia UNAM75%Check
UNAM73%Check
Ciencias51%Check
sociales51%Check
Ciencias Sociales51%Check
Audios48%Check
Entrevistas48%Check
Videos48%Check
Humanidades48%Check
Show more keywords and terms

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