Museomine.unizar.es - SEO Checker

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Overview of the SEO Check
Meta information
98% 
Page quality
47% 
Page structure
79% 
Link structure
96% 
Server
87% 
External factors
3% 
SEO Score
Response time
1.90 s
File size
100.20 kB
Words
177
Media files
9
Number of links
71 internal / 6 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Museo Virtual de Mineralogía - Universidad de Zaragoza
The length of the page title is perfect. (503 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Página web del Museo Virtual de Mineralogía de la Universidad de Zaragoza. Aquí encontrarás cientos de fotografías de minerales, actividades, juegos, etc.
The length of the meta description is perfect. (961 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://museomine.unizar.es/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: es
Language defined in HTML: es
Server location: United States of America
The following language is defined by HTML: es
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)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
descriptionPágina web del Museo Virtual de Mineralogía de la Universidad de Zaragoza. Aquí encontrarás cientos de fotografías de minerales, actividades, juegos, etc.
generatorWordPress Download Manager 3.3.57
msapplication-TileImagehttps://museomine.unizar.es/wp-content/uploads/2021/10/favicon.png
article:modified_time2026-06-12T18:58:05+00:00
langes
twitter:cardsummary_large_image
og:localees_ES
og:typewebsite
og:titleMuseo Virtual de Mineralogía - Universidad de Zaragoza
og:descriptionPágina web del Museo Virtual de Mineralogía de la Universidad de Zaragoza. Aquí encontrarás cientos de fotografías de minerales, actividades, juegos, etc.
og:urlhttps://museomine.unizar.es/
og:site_nameMuseo virtual de mineralogía
og:imagehttp://museomine.unizar.es/wp-content/uploads/2024/09/banner_cuarzo_v3.jpg
charsetUTF-8

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Page quality

Content
(Critically important)
There are only 177 words on this page. Use at least 250 words to provide useful information.
Some words from the page title are not used within the pages content
Only 1 paragraph/s was/were found on this page.
The average number of words per sentence of 27 words is high.
11.9% 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.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1" 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)
7 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
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
...t/uploads/2022/04/Logo_colores_350px.pngMuseo virtual de mineralogía
...ent/uploads/2024/09/banner_cuarzo_v3.jpgNo alt attribute provided
/wp-content/uploads/2021/10/separador.jpgNo alt attribute provided
.../2022/10/Plano_MuseoVirtualMinerales.jpgMapaMuseo
/wp-content/uploads/2021/10/separador.jpgNo alt attribute provided
/wp-content/uploads/2026/04/logo_uz.pngNo alt attribute provided
/wp-content/uploads/2025/12/logo_IUCA.jpgNo alt attribute provided
/wp-content/uploads/2025/12/logo_beagle.pngNo alt attribute provided
...grupos-de-innovacion-docente_iBEAGLE.pngNo 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
H3 ¿Dónde quieres ir?
H3 Buscar en el 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 6 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://museomine.unizar.es/Anchor Ir al contenido
https://museomine.unizar.es/Subdomain IMG-ALT Museo virtual de mineralogía
/los-minerales/Subdomain Los minerales
/propiedades/Subdomain Propiedades
/color/Subdomain Color
/brillo-diafanidad/Subdomain Brillo y diafanidad
/dureza-raya/Subdomain Dureza y raya
/forma-habito/Subdomain Forma y hábito
/exfoliacion-fractura/Subdomain Exfoliación y fractura
/fluorescencia/Subdomain Fluorescencia
/otras-propiedades/Subdomain Otras propiedades
/pseudomorfosis/Subdomain Pseudomorfosis
/usos-minerales/Subdomain Usos de los minerales
/minerales-al-microscopio/Subdomain Los minerales al microscopio
/mineral-del-mes/Subdomain Mineral del mes
/busqueda-personalizada/Subdomain Búsqueda personalizada
/strunz/Subdomain Colección
/elementos-nativos/Subdomain I. Elementos nativos
/sulfuros/Subdomain II. Sulfuros y sulfosales
/halogenuros/Subdomain III. Halogenuros
/oxidos-hidroxidos/Subdomain IV. Óxidos e hidróxidos
/carbonatos-nitratos/Subdomain V. Carbonatos y nitratos
/boratos/Subdomain VI. Boratos
/sulfatos/Subdomain VII. Sulfatos
/fosfatos/Subdomain VIII. Fosfatos
/silicatos/Subdomain IX. Silicatos
/salas/Subdomain Salas
/museo-cristamine/Subdomain Museo del Área de Cristalografía y mineralogía
/lucas-mallada/Subdomain Colección Lucas Mallada
/longinos/Subdomain Colección Longinos Navás
/coleccion-facultad-de-educacion/Subdomain Colección Facultad de Educación
/minerales-espanoles/Subdomain Minerales definidos en España
/mapa-minerales-aragon/Subdomain Minerales de Aragón
/yacimientos-minerales/Subdomain Yacimientos
/banco-digital-de-arenas/Subdomain Banco digital de arenas
/las-arenas/Subdomain ¿Qué son?
/lupa-binocular/Subdomain Lupa binocular
/el-color-de-las-arenas/Subdomain Color y brillo
/area-fuente/Subdomain Área fuente
/tamano-seleccion/Subdomain Caracteres texturales
/agente-de-transporte/Subdomain Agente de transporte
/contenido-organico-bioclastos/Subdomain Contenido orgánico: bioclastos
/contenido-mineral-arenas/Subdomain Composición mineralógica
/fichas-de-arenas/Subdomain Fichas de arenas
/mapa-arenas/Subdomain Mapa de arenas
/recursos/Subdomain Recursos
/test-minerales/Subdomain Cuestionarios y juegos interactivos
/actividades-infantil-primaria/Subdomain Actividades: minerales en las aulas
/actividad-encuentra-al-intruso/Subdomain Actividad: Encuentra al intruso
/itinerarios/Subdomain Itinerarios
/juegos/Subdomain Juegos imprimibles
/biblioteca/Subdomain Biblioteca
/enlaces/Subdomain Enlaces
/el-proyecto/Subdomain El proyecto
/creditos/Subdomain Créditos
https://iuca.unizar.es/External Subdomain No Text
https://grupobeagle.unizar.es/External Subdomain No Text
https://twitter.com/museomineUZExternal Twitter
https://www.instagram.com/muse...External Subdomain Instagram
https://kairaweb.com/External Kaira
/politica-privacidad/Subdomain Política de privacidad
https://twitter.com/museomineUZNew window External A-TITLE Síguenos en X
/el-proyecto/Subdomain Text duplicate A-TITLE El proyecto
/elementos-nativos/Subdomain A-TITLE Elementos
/sulfuros/Subdomain A-TITLE Sulfuros
/halogenuros/Subdomain A-TITLE Halogenuros
/oxidos-hidroxidos/Subdomain A-TITLE Óxidos de hidróxidos
/carbonatos-nitratos/Subdomain A-TITLE Carbonatos y nitratos
/sulfatos/Subdomain A-TITLE Sulfatos
/fosfatos/Subdomain A-TITLE Fosfatos
/silicatos/Subdomain A-TITLE Silicatos
/propiedades/Subdomain A-TITLE Propiedades de los minerales
/biblioteca/Subdomain Text duplicate A-TITLE Biblioteca
http://museomine.unizar.es/salas/Subdomain A-TITLE Salas especiales
/yacimientos-minerales/Subdomain A-TITLE Yacimientos minerales
/creditos/Subdomain Text duplicate A-TITLE Créditos
/recursos/Subdomain Text duplicate A-TITLE Recursos

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://museomine.unizar.es/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
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 (1.90 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 (100 kB).

HTTP Response Header

NameValue
servernginx/1.24.0 (Ubuntu)
dateSat, 10 Oct 2026 18:22:28 GMT
content-typetext/html; charset=UTF-8
content-length22327
set-cookie100 Characters
link<https://museomine.unizar.es/wp-json/>; rel="https://api.w.org/"
varyAccept-Encoding
content-encodinggzip
statuscode200
http_versionHTTP/2

External factors

This page has only a few links from other websites.
This page only has backlinks from 1 referring domains.
This page only has 2 backlinks.
This page only has few backlinks from 1 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: Googlebot
Disallow: /*?*page_number_

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museomine.unizar.es
Museo Virtual de Mineralogía - Universidad de Zaragoza
Página web del Museo Virtual de Mineralogía de la Universidad de Zaragoza. Aquí encontrarás cientos de fotografías de minerales, actividades, juegos, etc.

Most important keywords

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

KeywordResultRecheck
Museo82%Check
Museo Virtual76%Check
Museo Virtual de Mineralogía70%Check
Mineralogía64%Check
de minerales59%Check
minerales52%Check
de arenas52%Check
juegos51%Check
Actividades51%Check
encontrarás51%Check
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