21.edu.ar - SEO Checker

Overview of the SEO Check
Meta information
100% 
Page quality
42% 
Page structure
58% 
Link structure
10% 
Server
93% 
External factors
100% 
SEO Score
Response time
0.54 s
File size
372.90 kB
Words
1165
Media files
68
Number of links
128 internal / 37 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Universidad Siglo 21 | Carreras a distancia y presenciales
The length of the page title is perfect. (516 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
La universidad privada más elegida del país. Conocé la oferta académica completa, a distancia y presencial e inscribite en la próxima apertura.
The length of the meta description is perfect. (881 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://21.edu.ar/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: es
Language defined in HTML: es
Language defined in HTTP-Equiv meta tag: 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)
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
descriptionLa universidad privada más elegida del país. Conocé la oferta académica completa, a distancia y presencial e inscribite en la próxima apertura.
viewportwidth=device-width, initial-scale=1
google-site-verificationt1t86nkxs8XhtO7JYfEkgaQvzK1fhwPPN9dqERSVCXg
generatorHubSpot
langes
twitter:descriptionLa universidad privada más elegida del país. Conocé la oferta académica completa, a distancia y presencial e inscribite en la próxima apertura.
twitter:titleUniversidad Siglo 21 | Carreras a distancia y presenciales
twitter:cardsummary
og:descriptionLa universidad privada más elegida del país. Conocé la oferta académica completa, a distancia y presencial e inscribite en la próxima apertura.
og:titleUniversidad Siglo 21 | Carreras a distancia y presenciales
og:urlhttps://21.edu.ar
content-languagees
charsetutf-8

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
Words from the H1 heading are not used in the page content.
These Typos were found:
  • dia => día
There are 11 text duplicates on this page:
  • Duplicate 1: “Siglo 21 me aportó muchos conocimientos. Además, al estudiar con una ...
  • Duplicate 2: “Uno así se involucra más y son horas que suman, algo fundamental cuan...
  • Duplicate 3: "Siglo 21 fue mi segunda casa, el lugar donde me formé y aprendí a ser...
  • Duplicate 4: “Creo que la experiencia es superadora, tanto desde lo edilicio, la co...
This page contains 1165 words. That's ok.
24.1% of the text are stop words.
The page contains a listing, which indicates a good text layout.
14 paragraphs were found on this page.
No placeholders texts or images were found.
The average number of words per sentence of 21.17 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)
Empty bold or strong tags were found on this page.
The amount of tags is very high (30). We recommend using a maximum of 23 tags for this page.
The following tag is repeated too often: inteligencia artificial
Image SEO
(Somewhat important)
4 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

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...ntent-na1.net/hubfs/44080364/docente.svgdocente
...tent-na1.net/hubfs/44080364/empresas.svgempresas
...na1.net/hubfs/44080364/colaboradores.svgcolaboradores
...ome_Empeza tu carrera_optimized (1).webpBnner_Hero_Home_Empeza tu carrera_optimized (1)
..._Hero_Home_mobile_Empeza_tu_carrera.webpempeza tu carrera en marzo
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...44080364/Indumentaria-desktop-fucsia.jpgIndumentaria-desktop-fucsia
.../44080364/Indumentaria-mobile-fucsia.jpgIndumentaria-mobile-fucsia
...-na1.net/hubfs/44080364/OPC1-DESKTOP.jpgTecnicaturas Salud-DESKTOP
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....net/hubfs/44080364/Innova-desktop 1.jpgInnova-desktop 1
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...dp_FFFFFF_FILL0_wght400_GRAD0_opsz24.pngschool_28dp_FFFFFF_FILL0_wght400_GRAD0_opsz24
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...png?width=40&height=40&name=Frame 28.pngFrame 28
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...png?width=31&height=31&name=Frame 68.pngFrame 68
...png?width=31&height=31&name=Frame 13.pngFrame 13
...a_inteligencia_artificial_y_robotica.pngLicenciatura en Inteligencia Artificial y Robótica | Universidad Siglo 21
...height=3889&name=Carrera de Medicina.jpgCarrera de Medicina
...atura en Diseño y Animación Digital.webpLicenciatura en Diseño y Animación Digital
...&height=243&name=Carreras de derecho.pngCarreras de derecho
...enciatura en Administración Agraria.webpLicenciatura en Administración Agraria
....png?width=37&height=37&name=Frame 8.pngFrame 8
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...eight=800&name=luchy-cosoleto-winner.jpgNo alt attribute provided
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...ng?width=36&height=36&name=Container.pngContainer
...ng?width=36&height=36&name=Container.pngContainer
...ng?width=36&height=36&name=Container.pngContainer
...ng?width=36&height=36&name=Container.pngContainer
...44080364/campus-universidad-siglo-21.pngcampus-universidad-siglo-21
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...t/hubfs/44080364/campus day-cuadrada.pngcampus day-cuadrada
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...=140&height=54&name=Logo_Siglo21_2 1.pngLogo_Siglo21_2 1Logo_Siglo21_2 1
....png?width=61&height=83&name=image 1.pngimage 1
...et/hubfs/44080364/UES21-Dec/whatsapp.svgWhatsApp
...bfs/44080364/great-place-to-work-1 1.pnggreat-place-to-work-1 1
....png?width=71&height=15&name=Barca 1.pngBarca 1
...idth=71&height=14&name=Coneau_logo 1.pngConeau_logo 1
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...ng?width=71&height=27&name=Frame 286.pngFrame 286
....png?width=61&height=83&name=image 1.pngimage 1

Page structure

H1 heading
(Critically important)
¿En qué momento de tu camino estás?
The H1 heading is perfect.
Headings
(Important)
Some headings occur twice on the page.
The structure of headings is missing one or more levels. Do not skip heading levels.
There are 47 headings on the page. The amount of headings should be in a more proper relation to the amount of text.
Some headings do not have any content.

Heading structure

Heading levelContent
H1 ¿En qué momento de tu camino estás?
H2 Explorá nuestra propuesta por área
H2 Acreditaciones y reconocimientos
H2 ¿Cuál va a ser tu próximo paso?
H2 ¿Cuál va a ser tu próximo paso? Duplicate text
H2 30 años innovando la educación
H2 Empty heading
H2 30 años innovando la educación Duplicate text
H2 Elegí una Universidad con
H2 Campus Córdoba
H2 + 320 Centros de Apoyo Universitario
H2 Experiencias Siglo 21
H3 Inteligencia Artificial
H3 Salud
H3 Diseño
H3 Derecho
H3 Inteligencia Artificial Duplicate text
H3 Salud Duplicate text
H3 Diseño Duplicate text
H3 Derecho Duplicate text
H3 Administración
H3 Tecnicaturas
H3 Licenciaturas
H3 Especializaciones
H3 Maestrías
H3 Cursos y Certificaciones
H3 Dimas Geracaris
H3 Lucía Cosoleto
H3 Ana Tagliavini
H3 Leticia Cay
H3 Dimas Geracaris Duplicate text
H3 Lucía Cosoleto Duplicate text
H3 Ana Tagliavini Duplicate text
H3 Leticia Cay Duplicate text
H3 Estudiantes
H3 Egresados y Egresadas
H3 Convenios internacionales
H3 Lo que está pasando
H6 Lucía Cosoleto Duplicate text
H6 Leticia Cay Duplicate text
H6 Dimas Geracaris Duplicate text
H6 Ana Tagliavini Duplicate text
H6 Abra Pampa celebró 142 años de compromiso educativo
H6 Estudiar en Siglo 21: Es más que estudiar, es lo que sigue.
H6 Entre la promesa y la amenaza: IA en la justicia
H6 Israel en casa
H6 Claves para insertarse en el mundo laboral
H6 Plenario Anual de Investigación
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
34 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are too many external links (37) on this page.
LinkAttributesAnchor text
http://21.edu.ar/?hsLang=esSubdomain IMG-ALT logo
/inscribite?hsLang=esSubdomain Inscribite
/acceso-ingresantes?hsLang=esSubdomain Ingresantes
IMG-ALT ingresante
/acceso-estudiantes?hsLang=esSubdomain Estudiantes
IMG-ALT icono-02
/acceso-egresados?hsLang=esSubdomain Egresados
IMG-ALT egresados
/acceso-profesores?hsLang=esSubdomain Profesores
IMG-ALT docente
/acceso-empresas?hsLang=esSubdomain Empresas
IMG-ALT empresas
/acceso-colaboradores?hsLang=esSubdomain Colaboradores
IMG-ALT colaboradores
/en/university/about-siglo-21/...Subdomain EN
/la-universidad/quienes-somosSubdomain Quiénes somos
/la-universidad/autoridadesSubdomain Autoridades
/la-universidad/honoris-causaSubdomain Honoris Causa
/la-universidad/conocenos/dest...Subdomain Destacados 21
/conocenos/destacados-21/convo...Subdomain Convocatoria Destacados
/la-universidad/arte-21Subdomain Arte 21
/la-universidad/sedes-centros/...Subdomain Campus Córdoba
/la-universidad/sedes-centros/...Subdomain Campus Villa María
/la-universidad/sedes-centros/...Subdomain Presencia Territorial
/la-universidad/presencia-regi...Subdomain Presencia Regional
/es-ar/la-universidad/presenci...Subdomain Rankings y Membresías
/es-ar/la-universidad/presenci...Subdomain La Siglo en los Medios
/la-universidad/presencia-regi...Subdomain Innova Educa 21
/carreras-y-programasSubdomain Carreras y Programas
/carreras-y-programas?tipo_de_...Subdomain Pregrado
/carreras-y-programas?tipo_de_...Subdomain Grado
/carreras-y-programas?tipo_de_...Subdomain Posgrado
/carreras-y-programas?tipo_de_...Subdomain Formación Continua
/programas/modalidades-de-estudioSubdomain Modalidades de estudio
/becas-y-beneficiosSubdomain Becas y beneficios
/programas/preguntas-frecuentesSubdomain Preguntas Frecuentes
/carreras-y-programas/equivale...Subdomain Equivalencias
/modelo-academicoSubdomain Nuestro Modelo
/modelo-academico/educacion-po...Subdomain Educación Positiva
/modelo-academico/centros-de-e...Subdomain Centros de Excelencia Académica
/modelo-academico/centros-de-e...Subdomain Internacionalización
/modelo-academico/centros-de-e...Subdomain Sustentabilidad Social
/modelo-academico/centros-de-e...Subdomain Emprendimiento e Innovación
/modelo-academico/gabinete-de-...Subdomain Gabinete de Bienestar
/modelo-academico/vida-21Subdomain Vida 21
/investigacion/insight-21Subdomain Insight 21
/investigacion/secretaria-de-i...Subdomain Secretaría de Investigación
/investigacion/craiSubdomain Centro de Recursos para Aprendizaje e Investigación (CRAI)
https://21.edu.ar/egresadosSubdomain Comunidad de egresados
https://21.edu.ar/egresadosSubdomain Anchor Networking y Comunidad
https://21.edu.ar/egresadosSubdomain Anchor Actualización profesional
https://21.edu.ar/egresadosSubdomain Anchor Empleabilidad
https://21.edu.ar/egresadosSubdomain Anchor Testimonios
/becas-y-beneficiosSubdomain Text duplicate Becas y beneficios
/profesores/comunidadSubdomain Comunidad
/profesores/adscripciones-ayud...Subdomain Ayudantías y adscripciones
/profesores/adscripciones-ayud...Subdomain Anchor Concurso docente
https://21.edu.ar/empresasSubdomain Empresas y Organizaciones
https://21.edu.ar/empresasSubdomain Anchor Beneficios corporativos
https://21.edu.ar/empresasSubdomain Anchor Programas In Company
https://21.edu.ar/empresasSubdomain Anchor Empresas Amigas
/carreras-y-programas?hsLang=esSubdomain No Text
/carreras-y-programas/medicina...Subdomain No Text
/la-universidad/sedes-centros/...Subdomain No Text
/carreras-y-programas/licencia...Subdomain No Text
/carreras-y-programas?area_tem...Subdomain No Text
/eventos/innova-educa?hsLang=esSubdomain No Text
/carreras-y-programas?tipo_de_...Subdomain No Text
/acceso-estudiantes?hsLang=esSubdomain No Text
/posgrado?hsLang=esSubdomain No Text
/empresas?hsLang=esSubdomain No Text
/cursos-y-certificaciones?hsLa...Subdomain No Text
/carreras-y-programas/equivale...Subdomain No Text
/carreras-y-programas/intelige...New window Ver carreras
/carreras-y-programas/intelige...New window No Text
/carreras-y-programas/estudia-...New window Text duplicate Ver carreras
/carreras-y-programas/intelige...New window No Text
/carreras-y-programas/diseno?h...New window Text duplicate Ver carreras
/carreras-y-programas/intelige...New window No Text
/carreras-y-programas/diseno?h...New window Text duplicate Ver carreras
/carreras-y-programas/intelige...New window No Text
/carreras-y-programas/intelige...New window No Text
/carreras-y-programas/intelige...New window No Text
/carreras-y-programas/intelige...New window Subdomain No Text
/carreras-y-programas/estudia-...New window Subdomain No Text
/carreras-y-programas/diseno?h...New window Subdomain No Text
/carreras-y-programas?area_tem...New window Subdomain No Text
/carreras-y-programas/intelige...New window Subdomain Ver programas en IA
/carreras-y-programas/estudia-...New window Subdomain Descubrir programas en Salud
/carreras-y-programas/diseno?h...New window Subdomain Conocer oferta de Diseño
/carreras-y-programas?area_tem...New window Subdomain Ver carreras en Derecho
/carreras-y-programas?area_tem...New window Subdomain Conocer carreras en Negocios
/carreras-y-programas?area_tem...New window Subdomain No Text
/carreras-y-programas?area_tem...New window Subdomain No Text
/carreras-y-programas?area_tem...New window Subdomain No Text
/es-ar/la-universidad/presenci...New window Subdomain Conocer más
/carreras-y-programas?tipo_de_...New window Subdomain Text duplicate Ver carreras
/carreras-y-programas?tipo_de_...New window Subdomain Text duplicate Ver carreras
/carreras-y-programas?tipo_de_...New window Subdomain Ver especializaciones
/carreras-y-programas?tipo_de_...New window Subdomain Ver maestrías
/carreras-y-programas?tipo_de_...Subdomain Ver formación continua
/identidad-21?hsLang=esNew window Subdomain Encontrá tu CAU más cercano
https://www.lanube.21.edu.ar/New window External Subdomain Campus Virtual
/programas/preguntas-frecuente...Subdomain Preguntas frecuentes
/carreras-y-programas/equivale...New window Subdomain Text duplicate Equivalencias
/investigacion/insight-21?hsLa...Subdomain Investigación
/siglo-21-en-accion?hsLang=esSubdomain Novedades
/becas-y-beneficios?hsLang=esNew window Subdomain Becas y Beneficios
/la-universidad/presencia-regi...Subdomain Text duplicate Testimonios
/identidad-21?hsLang=esNew window Subdomain Blog Identidad 21
/eventos/innova-educa?hsLang=esNew window Subdomain No Text
https://clubrunners.fun/evento...New window External No Text
/eventos?hsLang=esSubdomain No Text
/eventos?hsLang=esSubdomain No Text
/siglo-21-en-accion/abra-pampa...New window Subdomain No Text
/siglo-21-en-accion/estudiar-e...Subdomain No Text
/identidad-21/entre-la-promesa...Subdomain No Text
/identidad-21/israel-en-casa-v...Subdomain No Text
/identidad-21/las-claves-para-...Subdomain No Text
/identidad-21/plenario-anual-d...Subdomain No Text
/identidad-21?hsLang=esNew window Subdomain Leer blog
http://21.edu.ar/?hsLang=esSubdomain IMG-ALT Logo_Siglo21_2 1
https://x.com/lasiglo21New window External No Text
https://api.whatsapp.com/send?...External Subdomain No Text
https://www.instagram.com/lasi...New window External Subdomain No Text
https://www.facebook.com/lasig...New window External Subdomain No Text
https://www.linkedin.com/schoo...New window External Subdomain No Text
https://open.spotify.com/user/...New window External Subdomain No Text
https://www.youtube.com/@unive...New window External Subdomain No Text
https://www.tiktok.com/@lasigl...New window External Subdomain No Text
https://x.com/lasiglo21New window External No Text
https://api.whatsapp.com/send?...External Subdomain No Text
https://www.instagram.com/lasi...New window External Subdomain No Text
https://www.facebook.com/lasig...New window External Subdomain No Text
https://www.linkedin.com/schoo...New window External Subdomain No Text
https://open.spotify.com/user/...New window External Subdomain No Text
https://www.youtube.com/@unive...New window External Subdomain No Text
https://www.tiktok.com/@lasigl...New window External Subdomain No Text
/investigacion/secretaria-de-i...Subdomain Text duplicate Investigación
/la-universidad/quienes-somosSubdomain Text duplicate Quiénes somos
/la-universidad/sedes-centros/...Subdomain Sedes y Centros
https://teclab.edu.ar/New window External Subdomain Teclab
/becas-y-beneficiosSubdomain Text duplicate Becas y Beneficios
/acceso-ingresantesSubdomain Ingreso
/programas/modalidades-de-estudioSubdomain Modalidades
/carreras-y-programasSubdomain Tipos de programa
https://21.edu.ar/identidad-21Subdomain Identidad 21
/siglo-21-en-accionSubdomain Noticias
https://21.edu.ar/eventosSubdomain Eventos
https://21.edu.ar/egresadosSubdomain Anchor Portal de empleo
/acceso-estudiantesSubdomain Text duplicate Estudiantes
/acceso-profesoresSubdomain Docentes
/acceso-egresadosSubdomain Text duplicate Egresados
https://biblio.21.edu.ar/External Subdomain Biblioteca
https://api.whatsapp.com/send?...New window External Subdomain Whatsapp
IMG-ALT WhatsApp
https://x.com/lasiglo21New window External No Text
https://api.whatsapp.com/send?...External Subdomain No Text
https://www.instagram.com/lasi...New window External Subdomain No Text
https://www.facebook.com/lasig...New window External Subdomain No Text
https://www.linkedin.com/schoo...New window External Subdomain No Text
https://open.spotify.com/user/...New window External Subdomain No Text
https://www.youtube.com/@unive...New window External Subdomain No Text
https://www.tiktok.com/@lasigl...New window External Subdomain No Text
https://x.com/lasiglo21New window External No Text
https://api.whatsapp.com/send?...External Subdomain No Text
https://www.instagram.com/lasi...New window External Subdomain No Text
https://www.facebook.com/lasig...New window External Subdomain No Text
https://www.linkedin.com/schoo...New window External Subdomain No Text
https://open.spotify.com/user/...New window External Subdomain No Text
https://www.youtube.com/@unive...New window External Subdomain No Text
https://www.tiktok.com/@lasigl...New window External Subdomain No Text

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://21.edu.ar/"
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 of 0.54 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
The file size of the HTML document is fine (373 kB).

HTTP Response Header

NameValue
dateThu, 22 Oct 2026 14:44:27 GMT
content-typetext/html; charset=UTF-8
set-cookie305 Characters
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21.edu.ar
Universidad Siglo 21 | Carreras a distancia y presenciales
La universidad privada más elegida del país. Conocé la oferta académica completa, a distancia y presencial e inscribite en la próxima apertura.

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