Jansen.es - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
93% 
Page structure
39% 
Link structure
52% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.25 s
File size
213.70 kB
Words
829
Media files
27
Number of links
88 internal / 4 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
¡Mejores sistemas de acero para puertas y ventanas! | Jansen
The length of the page title is perfect. (555 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
¡Carpintería de calidad en acero! Jansen es la empresa líder en la fabricación de perfiles de acero para puertas y ventanas.
The length of the meta description is perfect. (759 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://jansen.es/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: es
Language defined in HTML: es-es
Server location: Canada
The following language is defined by HTML: es-es
Alternate/Hreflang Links
(Somewhat important)
The specified alternate links have no errors.
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
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
description¡Carpintería de calidad en acero! Jansen es la empresa líder en la fabricación de perfiles de acero para puertas y ventanas.
generatorWPML ver:4.5.5 stt:41,2;
viewportwidth=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0
msapplication-TileImagehttps://jansen.es/wp-content/uploads/2022/04/cropped-favicon_jansen-300x300.png
article:modified_time2024-06-14T08:48:45+00:00
langes-es
twitter:cardsummary_large_image
og:localees_ES
og:typewebsite
og:title¡Mejores sistemas de acero para puertas y ventanas! | Jansen
og:description¡Carpintería de calidad en acero! Jansen es la empresa líder en la fabricación de perfiles de acero para puertas y ventanas.
og:site_nameJansen
X-UA-CompatibleIE=edge
charsetUTF-8

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Page quality

Content
(Critically important)
This page contains 829 words. That's ok.
22.6% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
15 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 16.93 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" 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 17 tags for this page.
Image SEO
(Somewhat important)
12 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
data:[...] Base64Español
data:[...] Base64Portugués, Portugal
...ds/2022/04/LOGO_JANSEN_IBERIA_BLANCO.pngJansen
data:[...] Base64Español
data:[...] Base64Portugués, Portugal
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64Museo del Prado
data:[...] Base64Edificio IBM – Miguel Fisac
data:[...] Base64Capitol Gran Vía
data:[...] Base64Madrid In Game
...ds/2025/05/shutterstock_2557068119-2.jpgacero inoxidable madrid
...ds/2025/05/shutterstock_2299538455-2.jpgarquitectura de acero
...ds/2025/04/shutterstock_2462214379-2.jpginstalación de lucernarios de acero
...ds/2025/04/shutterstock_2492701313-2.jpgtipos de cerramientos arquitectura
...ds/2025/03/shutterstock_2360584011-2.jpgrevestimiento en fachadas
...ds/2025/03/shutterstock_2537672933-2.jpgarquitectura deportiva
data:[...] Base64No alt attribute provided

Page structure

H1 heading
(Critically important)
GAMA DE SISTEMAS
Too many H1 headings
The H1 heading is too short (16 characters). It should be at least 20 Characters long.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.
There are 29 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H1 GAMA DE SISTEMAS
H1 PROYECTOS
H1 APUNTES SOBRE JANSEN Y EL ACERO
H2 ¿QUÉ HACEMOS?
H2 ¿NOS TOMAMOS UN CAFÉ?
H2 Museo del Prado
H2 Edificio IBM – Miguel Fisac
H2 Capitol Gran Vía
H2 Madrid In Game
H2 RED DE ESPECIALISTAS EN SISTEMAS DE SEGURIDAD
H2 Acero inoxidable en Madrid: Proyectos arquitectónicos con identidad propia
H2 Arquitectura de acero: Cómo Jansen eleva el diseño contemporáneo con soluciones a medida
H2 Instalación de lucernarios de acero: Beneficios, proceso y consideraciones clave
H2 Tipos de cerramientos en arquitectura: Guía completa para elegir el adecuado
H2 Revestimiento en fachadas con acero: Opciones, ventajas y tendencias en construcción
H2 Presencia de Jansen en la construcción de recintos deportivos
H2 DA VIDA A TUS PROYECTOS
H3 ENLACES DE INTERÉS
H3 OFICINAS
H5 Janisol Arte 66
H5 VISS Basic Fachadas
H5 VISS Fachadas
H5 VISS Lucernario
H5 Art System
H5 Economy 50 ventana
H5 Economy 60 E
H5 Economy 50 E
H5 Janisol Arte Corredera
H5 Art 15
Some anchor texts are used more than once.
10 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 4 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://jansen.es/quienes-somos/Nosotros
https://jansen.es/productos/Productos
https://jansen.es/sistemas/Jansen Series
https://jansen.es/docucenter/Jansen DocuCenter
/jansen-bim-cloud/Jansen BIM Cloud
/ventajas-del-acero/Ventajas del acero
https://jansen.es/rehabilitacion/Rehabilitación
https://jansen.es/diseno/Diseño
/seguridad-y-proteccion/Seguridad y protección
https://jansen.es/instaladores/Red de instaladores
https://jansen.es/project/Proyectos
https://jansen.es/noticias/Noticias
https://jansen.es/contacto/Contacto
https://jansen.es/IMG-ALT Español
https://jansen.es/pt-pt/IMG-ALT Portugués, Portugal
https://jansen.es/IMG-ALT Jansen
https://jansen.es/quienes-somos/Text duplicate Nosotros
https://jansen.es/productos/Text duplicate Productos
https://jansen.es/sistemas/Text duplicate Jansen Series
https://jansen.es/docucenter/Text duplicate Jansen DocuCenter
/jansen-bim-cloud/Text duplicate Jansen BIM Cloud
/ventajas-del-acero/Text duplicate Ventajas del acero
https://jansen.es/rehabilitacion/Text duplicate Rehabilitación
https://jansen.es/diseno/Text duplicate Diseño
/seguridad-y-proteccion/Text duplicate Seguridad y protección
https://jansen.es/instaladores/Text duplicate Red de instaladores
https://jansen.es/project/Text duplicate Proyectos
https://jansen.es/noticias/Text duplicate Noticias
https://jansen.es/contacto/Text duplicate Contacto
https://jansen.es/Text duplicate IMG-ALT Español
https://jansen.es/pt-pt/Text duplicate IMG-ALT Portugués, Portugal
https://jansen.es/sistemas/Sistemas de carpintería de acero
https://jansen.es/quienes-somos/PASIÓN POR EL DETALLE
/sistemas/janisol-arte-66/No Text
/sistemas/viss-basic-fachadas/No Text
/sistemas/viss-fachadas/No Text
/sistemas/viss-lucernario/No Text
/sistemas/art-system/No Text
/sistemas/economy-50-ventana/No Text
/sistemas/economy-60-e/No Text
/sistemas/economy-50-e/No Text
/sistemas/janisol-arte-corredera/No Text
https://jansen.es/sistemas/art15/No Text
https://jansen.es/productos/GAMA DE PRODUCTO
https://jansen.es/contacto/VEN A CONOCERNOS
/project/museo-del-prado/IMG-ALT Museo del Prado
A-TITLE Museo del Prado
/project/museo-del-prado/Text duplicate Museo del Prado
A-TITLE Museo del Prado
/project/edificio-ibm-miguel-f...IMG-ALT Edificio IBM – Miguel Fisac
A-TITLE Edificio IBM – Miguel Fisac
/project/edificio-ibm-miguel-f...Text duplicate Edificio IBM – Miguel Fisac
A-TITLE Edificio IBM – Miguel Fisac
/project/capitol-gran-via/IMG-ALT Capitol Gran Vía
A-TITLE Capitol Gran Vía
/project/capitol-gran-via/Text duplicate Capitol Gran Vía
A-TITLE Capitol Gran Vía
/project/madrid-in-game/IMG-ALT Madrid In Game
A-TITLE Madrid In Game
/project/madrid-in-game/Text duplicate Madrid In Game
A-TITLE Madrid In Game
https://jansen.es/project/REFERENCIAS SELECCIONADAS
https://janfire.es/New window External JANFIRE
/acero-inoxidable-en-madrid-pr...IMG-ALT acero inoxidable madrid
/acero-inoxidable-en-madrid-pr...Acero inoxidable en Madrid: Proyectos arquitectónicos con identidad propia
/acero-inoxidable-en-madrid-pr...Text duplicate Acero inoxidable en Madrid: Proyectos arquitectónicos con identidad propia
/acero-inoxidable-en-madrid-pr...Leer más
/arquitectura-de-acero-solucio...IMG-ALT arquitectura de acero
/arquitectura-de-acero-solucio...Arquitectura de acero: Cómo Jansen eleva el diseño contemporáneo con soluciones a medida
/arquitectura-de-acero-solucio...Text duplicate Arquitectura de acero: Cómo Jansen eleva el diseño contemporáneo con soluciones a medida
/arquitectura-de-acero-solucio...Text duplicate Leer más
/instalacion-de-lucernarios-de...IMG-ALT instalación de lucernarios de acero
/instalacion-de-lucernarios-de...Instalación de lucernarios de acero: Beneficios, proceso y consideraciones clave
/instalacion-de-lucernarios-de...Text duplicate Instalación de lucernarios de acero: Beneficios, proceso y consideraciones clave
/instalacion-de-lucernarios-de...Text duplicate Leer más
/tipos-de-cerramientos-en-arqu...IMG-ALT tipos de cerramientos arquitectura
/tipos-de-cerramientos-en-arqu...Tipos de cerramientos en arquitectura: Guía completa para elegir el adecuado
/tipos-de-cerramientos-en-arqu...Text duplicate Tipos de cerramientos en arquitectura: Guía completa para elegir el adecuado
/tipos-de-cerramientos-en-arqu...Text duplicate Leer más
/revestimiento-en-fachadas-con...IMG-ALT revestimiento en fachadas
/revestimiento-en-fachadas-con...Revestimiento en fachadas con acero: Opciones, ventajas y tendencias en construcción
/revestimiento-en-fachadas-con...Text duplicate Revestimiento en fachadas con acero: Opciones, ventajas y tendencias en construcción
/revestimiento-en-fachadas-con...Text duplicate Leer más
/presencia-jansen-arquitectura...IMG-ALT arquitectura deportiva
/presencia-jansen-arquitectura...Presencia de Jansen en la construcción de recintos deportivos
/presencia-jansen-arquitectura...Text duplicate Presencia de Jansen en la construcción de recintos deportivos
/presencia-jansen-arquitectura...Text duplicate Leer más
https://jansen.es/noticiasVISITA NUESTRO BLOG
https://jansen.es/contactoNew window DISEÑA TU PROYECTO
https://jansen.es/aviso-legalAviso Legal
https://jansen.es/cookiesPolítica de Cookies
/wp-content/uploads/2024/12/Po...Política de Privacidad
https://jansen.es/instaladores/Text duplicate Red de instaladores
https://jansen.es/project/Text duplicate Proyectos
https://jansen.es/sistemas/Text duplicate Jansen Series
/jansen-docucenter/Docu Center
https://www.instagram.com/jans...New window External Subdomain Seguir
A-TITLE Seguir en Instagram
https://www.pinterest.es/janse...New window External Subdomain Text duplicate Seguir
A-TITLE Seguir en Pinterest
https://www.linkedin.com/compa...New window External Subdomain Text duplicate Seguir
A-TITLE Seguir en LinkedIn
https://jansen.es/contactoVER MAPA

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://jansen.es/"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is excellent with 0.25 seconds.
The file size of the HTML document is fine (214 kB).

HTTP Response Header

NameValue
dateThu, 29 May 2025 23:29:34 GMT
content-typetext/html; charset=UTF-8
last-modifiedThu, 29 May 2025 09:32:43 GMT
cache-controlmax-age=0
expiresThu, 29 May 2025 23:29:34 GMT
varyAccept-Encoding
x-powered-byPleskLin
cf-cache-statusDYNAMIC
report-to{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=NaJXy0bNHq7NcfVS3DUoS08vXbS7N3ZtLMrALq%2F1AunzOewrRp%2FhWral%2BCc0%2FOT3Jyf8QEGIXh8amKnNcD1QXmA6U%2FpM5RZT0VD36xuR1gXcHzDPHKzFKMnHDw%3D%3D"}],"group":"cf-nel","max_age":604800}
nel{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
servercloudflare
cf-ray9479c64f2c6c2a43-CDG
content-encodingbr
server-timingcfL4;desc="?proto=TCP&rtt=13503&min_rtt=13474&rtt_var=3847&sent=6&recv=8&lost=0&retrans=0&sent_bytes=3376&recv_bytes=903&delivery_rate=214820&cwnd=163&unsent_bytes=0&cid=13f6b1c00c500967&ts=137&x=0"
statuscode200
http_versionHTTP/2

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 72 referring domains.
This page has 160 backlinks.
This page has backlinks from 67 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

# version jun 2025
# ---------------------------
User-agent: *
Disallow: /wp-admin/ 
Allow: /wp-admin/admin-ajax.php
Disallow: /*.bak$ 
Disallow: /*.tmp$
Disallow: /readme.html 
Disallow: /comments/feed/
Disallow: /feed/
Disallow: /*?search_query= 
Disallow: /wp-content/uploads/wpforms/
Disallow: /*format=feed
Disallow: /*el_dbe_page
Disallow: /?da_image=

#Sitemap
Sitemap: https://jansen.es/sitemap_index.xml
Sitemap: https://jansen.es/sistemas-sitemap.xml
Sitemap: https://jansen.es/post-sitemap.xml
Sitemap: https://jansen.es/page-sitemap.xml
Sitemap: https://jansen.es/project-sitemap.xml

Similar sites

Search preview

jansen.es
¡Mejores sistemas de acero para puertas y ventanas! | Jansen
¡Carpintería de calidad en acero! Jansen es la empresa líder en la fabricación de perfiles de acero para puertas y ventanas.

Most important keywords

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

KeywordResultRecheck
Jansen80%Check
En Jansen79%Check
de acero75%Check
en acero74%Check
sistemas de acero72%Check
acero70%Check
de calidad en acero70%Check
Sistemas66%Check
lucernarios de acero65%Check
GAMA DE65%Check
Show more keywords and terms

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