Astronomia.ign.es - SEO Checker

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Overview of the SEO Check
Meta information
66% 
Page quality
41% 
Page structure
79% 
Link structure
96% 
Server
0% 
External factors
69% 
SEO Score
Response time
0.33 s
File size
91.60 kB
Words
87
Media files
22
Number of links
18 internal / 25 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Inicio - Astronomía
The page title is too short. (167 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://astronomia.ign.es/
The specified canonical link points to a different page.
Language
(Somewhat important)
Language detected in text: es
Language defined in HTML: es-es
Server location: Spain
The following language is defined by HTML: es-es
Alternate/Hreflang Links
(Somewhat important)
The alternate link to the page itself is missing.
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)
The domain is no subdomain.
The domain length is good.
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)
The favicon is linked correctly.

Meta tags

NameValue
viewportinitial-scale=1.0, width=device-width
authorInstituto Geográfico Nacional
langes-es
og:localees_ES
og:locale:alternateen_US
og:site_nameAstronomía
og:titleInicio - Astronomía
og:typewebsite
og:urlhttps://astronomia.ign.es
content-typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
There are only 87 words on this page. Use at least 250 words to provide useful information.
No paragraphs were detected.
1.1% of the text are stop words.
The page contains a listing, which indicates a good text layout.
No placeholders texts or images were found.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
This page loads 13 JavaScript files. This may affect the load time negatively.
A viewport "initial-scale=1.0, width=device-width" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 6 tags for this page.
Image SEO
(Somewhat important)
6 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)
The HTTPS protocol for secure data transmission is not used.

Media list

URLAlt attributeTitle
...-theme/images/webAstro/HOME/IGN-Logo.pngMinisterio de Transportes y Movilidad SostenibleMinisterio de Transportes y Movilidad Sostenible
...ces/astronomia/galeria/cieloamanecer.jpgAspecto del cielo (45 minutos antes de la salida del sol)
...es/astronomia/galeria/cieloanochecer.jpgAspecto del cielo (45 minutos antes de la puesta del sol)
...oticias-destacadas/Bol_IGN_abr25_web.jpgEl desequilibrio químico como trazador de la evolución de regiones de formación estelar
...urces/astronomia/galeria/etanolamina.pngIndeno
...oan.es/servidorEfem/img/lunaign.pngNo alt attribute provided
https://www.oan.es/servidorEfem/img/ign.pngNo alt attribute provided
...nomia/galeria/RealObservatorioMadrid.jpgReal Observatorio de Madrid
...-astronomica/eclipses/botón-eclipses.jpgEclipses españoles de 2026, 2027 y 2028Eclipses españoles de 2026, 2027 y 2028
.../webAstro/HOME/Banner-Herchell-nuevo.jpgWilliam Herschel. Una figura clave en la historia del ObservatorioBicentenario de la muerte de William Herschel
...theme/images/webAstro/HOME/practicas.jpgPracticas curricularesPrácticas curriculares
...in-theme/images/webAstro/HOME/empleo.jpgEmpleo públicoEmpleo público
...me/images/webAstro/HOME/contratacion.jpgContrataciónContratación
...in-theme/images/webAstro/HOME/empleo.jpgEmpleo públicoEmpleo público
...me/images/webAstro/HOME/contratacion.jpgContrataciónContratación
...theme/images/webAstro/HOME/practicas.jpgPrácticas curricularesPrácticas curriculares
...s/web/resources/astronomia/galeria/C.jpgNo alt attribute provided
...ia/galeria/enlaceServidor_rectangulo.jpgNo alt attribute provided
...omia/galeria/anuario_rectangulo_2025.jpgNo alt attribute provided
...nomia/galeria/enlaceMuseo_rectangulo.jpgNo alt attribute provided
...mages/webAstro/HOME/IGN-Footer-Spain.pngMapa de España
...images/webAstro/HOME/IGN-Footer-Ball.pngLogo IGN

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
H2 Astronomía y Desarrollos Tecnológicos
H2 Visita las instalaciones
H2 Información astronómica
H2 Anuario Astronómico
H2 Museo Virtual
Some anchor texts are used more than once.
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 25 external links on this page.

Found links on this page

LinkAttributesAnchor text
http://astronomia.ign.es/Anchor Saltar al contenido principal
https://www.mitma.gob.es/New window External Subdomain IMG-ALT Ministerio de Transportes y Movilidad Sostenible
A-TITLE Ministerio de Transportes y Movilidad Sostenible
http://astronomia.ign.es/inicioAstronomía y Desarrollos Tecnológicos
A-TITLE Astronomía
https://www.facebook.com/robsm...New window External Subdomain A-TITLE Facebook
https://twitter.com/IGN_RObsMa...New window External A-TITLE X
/web/guest/oanSubdomain Observatorio Astronómico Nacional
A-TITLE Observatorio Astronómico Nacional
/web/guest/oySubdomain Observatorio de Yebes
A-TITLE Observatorio de Yebes
http://www.raege.eu/External Subdomain RAEGE
A-TITLE RAEGE
/web/guest/iram2Subdomain IRAM
A-TITLE IRAM
/web/guest/inf-astroSubdomain Información astronómica
A-TITLE Información astronómica
/rknowsys-theme/images/webAstr...New window Subdomain IMG-ALT El desequilibrio químico como trazador de la evolución de regiones de formación estelar
https://www.ign.es/resources/n...New window External Subdomain IMG-ALT Indeno
http://www.oan.es/servidorEfem...New window External Subdomain No Text
http://www.oan.es/servidorEfem...New window External Subdomain No Text
https://eclipses.ign.es/home.htmlExternal Subdomain IMG-ALT Eclipses españoles de 2026, 2027 y 2028
A-TITLE Eclipses españoles de 2026, 2027 y 2028
/web/guest/william-herschel/in...IMG-ALT William Herschel. Una figura clave en la historia del Observatorio
A-TITLE William Herschel. Una figura clave en la historia del Observatorio
/oan/practicas-oanObservatorio Astronómico Nacional (Retiro)
A-TITLE Prácticas en OAN retiro
/icts-yebes/practicas-curricul...Text duplicate Observatorio de Yebes
A-TITLE Prácticas en Yebes
http://www.ign.es/web/ic-becasNew window External Subdomain IMG-ALT Empleo público
A-TITLE Empleo público
http://www.ign.es/web/ic-becasNew window External Subdomain Becas, Formación y Empleo público
A-TITLE Becas, Formación y Empleo público
https://contrataciondelestado.es/New window External IMG-ALT Contratación
A-TITLE Plataforma de contratación del estado
https://contrataciondelestado.es/New window External Text duplicate Contratación
A-TITLE Plataforma de contratación del estado
http://www.ign.es/web/ic-becasNew window External Subdomain Text duplicate IMG-ALT Empleo público
A-TITLE Empleo público
http://www.ign.es/web/ic-becasNew window External Subdomain Text duplicate Becas, Formación y Empleo público
A-TITLE Becas, Formación y Empleo público
https://contrataciondelestado.es/New window External Text duplicate IMG-ALT Contratación
A-TITLE Plataforma de contratación del estado
https://contrataciondelestado.es/New window External Text duplicate Contratación
A-TITLE Plataforma de contratación del estado
/oan/practicas-oanText duplicate Observatorio Astronómico Nacional (Retiro)
A-TITLE Prácticas en OAN retiro
/icts-yebes/practicas-curricul...Text duplicate Observatorio de Yebes
A-TITLE Prácticas en Yebes
/web/guest/inicio-estacionesNew window Text duplicate Información astronómica
A-TITLE Información astronómica
/web/guest/inicio-estacionesA-TITLE Imágenes del cielo
/web/guest/oan/anuarioAnuario Astronómico
A-TITLE Anuario Astronómico
/web/guest/oan/anuarioText duplicate A-TITLE Anuario Astronómico
https://www.ign.es/web/ign/por...New window External Subdomain Museo Virtual
A-TITLE Museo Virtual
https://www.ign.es/web/ign/por...External Subdomain Text duplicate A-TITLE Museo Virtual
https://transparencia.gob.es/New window External Portal de transparencia
http://www.ign.es/web/ign/port...New window External Subdomain Aviso Legal
http://www.ign.es/web/ign/port...New window External Subdomain Política de datos
http://astronomia.ign.es/mapa-webMapa web
/accesibilidadAccesibilidad
https://www.facebook.com/robsm...New window External Subdomain A-TITLE Facebook Real Observatorio de Madrid
https://twitter.com/IGN_RObsMa...New window External A-TITLE twitter Real Observatorio de Madrid
https://www.ign.es/web/ign/por...External Subdomain A-TITLE Real Observatorio de Madrid
https://www.aytoyebes.es/servi...External Subdomain Text duplicate A-TITLE Observatorio de Yebes

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
No X-Powered HTTP header is sent.
Performance
(Somewhat important)
This page loads 18 CSS files. This may affect the page load time negatively.
This page loads 13 JavaScript files. This may affect the load time negatively.
The page response time is excellent with 0.33 seconds.
The file size of the HTML document is fine (92 kB).

HTTP Response Header

NameValue
x-content-type-optionsnosniff
x-frame-optionsSAMEORIGIN
set-cookie61 Characters
expiresThu, 01 Jan 1970 00:00:00 GMT
cache-controlprivate, no-cache, no-store, must-revalidate
pragmano-cache
liferay-portalLiferay Community Edition Portal
content-typetext/html;charset=UTF-8
transfer-encodingchunked
dateFri, 25 Jul 2025 09:48:07 GMT
statuscode200
http_versionHTTP/1.1

External factors

This page has only a few links from other websites.
This page only has backlinks from 23 referring domains.
This page only has 47 backlinks.
This page only has few backlinks from 22 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-Agent: *
Disallow:

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astronomia.ign.es
Inicio - Astronomía

Most important keywords

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

KeywordResultRecheck
Astronomía58%Check
ign50%Check
Empleo40%Check
Anuario40%Check
Museo40%Check
Museo Virtual39%Check
Observatorio38%Check
Desarrollos38%Check
Visita38%Check
instalaciones38%Check
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