Iibi.unam.mx - SEO Checker

Overview of the SEO Check
Meta information
80% 
Page quality
40% 
Page structure
79% 
Link structure
88% 
Server
6% 
External factors
26% 
SEO Score
Response time
1.19 s
File size
48.10 kB
Words
215
Media files
24
Number of links
55 internal / 28 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
IIBI - UNAM
The page title is too short. (107 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
Sitio web del Instituto de Investigaciones Bibliotecológicas y de la Información de la UNAM
The length of the meta description is perfect. (557 pixels out of 1000 max pixel length)
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 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=1.0
descriptionSitio web del Instituto de Investigaciones Bibliotecológicas y de la Información de la UNAM
keywordsIIBI, instituto, investigaciones, bibliotecológicas, información, bibliotecologia, UNAM, informacion, bibliotecología,
authorIIBI Instituto de Investigaciones Bibliotecológicas y de la información UNAM
robotsindex, follow
langes
charsetUTF-8

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Page quality

Content
(Critically important)
There are only 215 words on this page. Use at least 250 words to provide useful information.
These Typos were found:
  • tecnica => técnica
14.4% of the text are stop words.
The page contains a listing, which indicates a good text layout.
3 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 19 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
Multiple viewport tags are given. There should only be one.
This page loads 9 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1.0" 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 6 tags for this page.
Image SEO
(Somewhat important)
8 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.

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 Novedades Editoriales
H2 IIBI medios
H2 Servicios
H2 IIBIUNAM
H4 Metadatos sociales: iniciativas, tecnologías, aplicaciones y softwares
H4 Nuevos escenarios en la educación en Bibliotecología, Documentación y Archivología
H4 Investigación bibliotecológica Vol. 39, Núm. 103 (2025)
H4 IIBI Audios
H4 IIBI Videos
H4 IIBI Multimedia
H4 Correo IIBI
H4 Inscripción a las actividades académicas
H4 Preservación archivística del IIBI
H4 información
Some anchor texts are used more than once.
1 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 (28) on this page.
LinkAttributesAnchor text
http://unam.mx/External IMG-ALT UNAM_LOGO
https://iibi.unam.mx/index.phpIMG-ALT IIBI_LOGO
https://iibi.unam.mx/index.phpInicio
https://iibi.unam.mx/index.phpEl IIBI
/web/acerca_de.phpAcerca del IIBI
/web/cuerpos_colegiados.phpCuerpos colegiados
/web/normativa.phpNormativa
/web/planes_e_informes.phpPlanes e informes
/web/directorio.phpDirectorio
/web/direccion.phpDirección
/web/sacademica.phpSec. Académica
/web/stecnica.phpSec. Técnica
/web/sadministrativa.phpSec. Administrativa
/web/investigadores.phpInvestigadores
/web/lineas_investigacion.phpÁreas y líneas de investigación
/web/seminarios.phpSeminarios de investigación
/web/becarios.phpHistóricos
/web/e_de_i.phpText duplicate Históricos
http://bibliotecologia.posgrad...New window External Subdomain Posgrado
/web/cuerpos_colegiados.phpCuerpos Colegiados
/CInIGIIBI/index.htmlSubdomain CInIG-IIBI
/web/f/ConvocatoriaFinal4SIIA.pdfNew window Subdomain IMG-ALT alt=
https://iibi.unam.mx/Anchor No Text
https://iibi.unam.mx/Anchor No Text
https://difusion.iibi.unam.mx/...New window External Subdomain Text duplicate IMG-ALT alt=
https://iibi.unam.mx/Anchor No Text
https://iibi.unam.mx/Anchor No Text
/web/f/ProgramaJornadaLibro202...New window Subdomain Text duplicate IMG-ALT alt=
https://iibi.unam.mx/Anchor No Text
https://iibi.unam.mx/Anchor No Text
https://difusion.iibi.unam.mx/...New window External Subdomain Text duplicate IMG-ALT alt=
https://iibi.unam.mx/Anchor No Text
https://iibi.unam.mx/Anchor No Text
/web/f/convocatoria1areunionRD...New window Subdomain Text duplicate IMG-ALT alt=
https://iibi.unam.mx/Anchor No Text
https://iibi.unam.mx/Anchor No Text
/web/f/CONVOCATORIA_CONGRESO_E...New window Subdomain Text duplicate IMG-ALT alt=
https://iibi.unam.mx/Anchor No Text
https://iibi.unam.mx/Anchor No Text
/web/f/CoA.pdfNew window Subdomain Text duplicate IMG-ALT alt=
https://iibi.unam.mx/Anchor No Text
https://iibi.unam.mx/Anchor No Text
/web/f/convocatoria-CTA.pdfNew window Subdomain Text duplicate IMG-ALT alt=
https://iibi.unam.mx/Anchor No Text
https://iibi.unam.mx/Anchor No Text
/web/f/2025_Convocatoria_para_...New window Text duplicate IMG-ALT alt=
https://iibi.unam.mx/Anchor No Text
https://iibi.unam.mx/Anchor No Text
https://iibi.bibliotecas.unam.mx/External Subdomain BIBLIOTECA
http://rev-ib.unam.mx/ib/index...External Subdomain REVISTA
/web/libro.phpPublicaciones IIBI
https://ru.iibi.unam.mx/External Subdomain Repositorio IIBI
https://ru.iibi.unam.mx/jspui/...External Subdomain No Text
https://ru.iibi.unam.mx/jspui/...External Subdomain Metadatos sociales: iniciativas, tecnologías, aplicaciones y softwares
https://ru.iibi.unam.mx/jspui/...External Subdomain No Text
https://ru.iibi.unam.mx/jspui/...External Subdomain Nuevos escenarios en la educación en Bibliotecología, Documentación y Archivología
http://rev-ib.unam.mx/ib/index...External Subdomain No Text
http://rev-ib.unam.mx/ib/index...External Subdomain Investigación bibliotecológica Vol. 39, Núm. 103 (2025)
https://soundcloud.com/iibiaudioExternal No Text
https://soundcloud.com/iibiaudioExternal IIBI Audios
https://www.youtube.com/user/C...External Subdomain No Text
https://www.youtube.com/user/C...External Subdomain IIBI Videos
https://www.facebook.com/IIBI....External Subdomain No Text
https://www.facebook.com/IIBI....External Subdomain IIBI Multimedia
/web/correo.phpNo Text
/web/correo.phpCorreo IIBI
https://sistemas.iibi.unam.mx/...External Subdomain No Text
https://sistemas.iibi.unam.mx/...External Subdomain Inscripción a las actividades académicas
/web/archivistica_e_bienvenida...IMG-ALT LOGO
/web/archivistica_e_bienvenida...Preservación archivística del IIBI
/web/privacidad.phpAvíso de privacidad
https://www.humanidades.unam.mx/External Subdomain Coordinación de Humanidades
/web/sitemap.phpMapa del sitio
http://www.pudh.unam.mx/External Subdomain Programa de los Derechos Humanos
/web/datos-personales.phpDatos Personales
https://consejo.unam.mx/External Subdomain Consejo Universitario
https://www.defensoria.unam.mx/External Subdomain Derechos Universitarios
/web/privacidad.phpNew window Aviso de privacidad
https://www.facebook.com/IIBI....External Subdomain IMG-ALT UNAM en FaceBook
https://twitter.com/IIBI_UNAM_MXExternal IMG-ALT UNAM en X
https://www.youtube.com/user/C...External Subdomain IMG-ALT UNAM en Youtube
/web/creditos.phpCréditos
http://iibi.unam.mx/Subdomain Instituto de Investigaciones Bibliotecológicas y de la Información

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://iibi.unam.mx/"
HTTP header
(Important)
The used PHP version is outdated and may be a security risk.
The HTML page should be transferred using GZip compression.
The used PHP version is outdated and may be a security risk.
The web server version is sent within the HTTP header.
The X-powered header is sent within the response header. (unnecessary)
Performance
(Somewhat important)
The page response time is slow (1.19 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.
This page loads 8 CSS files. This may affect the page load time negatively.
This page loads 9 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is fine (48 kB).

HTTP Response Header

NameValue
dateMon, 31 Mar 2025 06:49:35 GMT
serverApache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips PHP/5.4.16
x-powered-byPHP/5.4.16
transfer-encodingchunked
content-typetext/html; charset=UTF-8
statuscode200
http_versionHTTP/1.1

External factors

This page has only a few links from other websites.
This page only has backlinks from 7 referring domains.
This page only has 31 backlinks.
This page only has few backlinks from 7 different ip addresses.
This page is referenced by wikipedia.

Robots.txt

#
# robots.txt
#
# This file is to prevent the crawling and indexing of certain parts
# of your site by web crawlers and spiders run by sites like Yahoo!
# and Google. By telling these "robots" where not to go on your site,
# you save bandwidth and server resources.
#
# This file will be ignored unless it is at the root of your host:
# Used:    http://example.com/robots.txt
# Ignored: http://example.com/site/robots.txt
#
# For more information about the robots.txt standard, see:
# http://www.robotstxt.org/robotstxt.html

User-agent: *
Crawl-delay: 10
# CSS, JS, Images
Allow: /misc/*.css$
Allow: /misc/*.css?
Allow: /misc/*.js$
Allow: /misc/*.js?
Allow: /misc/*.gif
Allow: /misc/*.jpg
Allow: /misc/*.jpeg
Allow: /misc/*.png
Allow: /modules/*.css$
Allow: /modules/*.css?
Allow: /modules/*.js$
Allow: /modules/*.js?
Allow: /modules/*.gif
Allow: /modules/*.jpg
Allow: /modules/*.jpeg
Allow: /modules/*.png
Allow: /profiles/*.css$
Allow: /profiles/*.css?
Allow: /profiles/*.js$
Allow: /profiles/*.js?
Allow: /profiles/*.gif
Allow: /profiles/*.jpg
Allow: /profiles/*.jpeg
Allow: /profiles/*.png
Allow: /themes/*.css$
Allow: /themes/*.css?
Allow: /themes/*.js$
Allow: /themes/*.js?
Allow: /themes/*.gif
Allow: /themes/*.jpg
Allow: /themes/*.jpeg
Allow: /themes/*.png
# Directories
Disallow: /includes/
Disallow: /misc/
Disallow: /modules/
Disallow: /profiles/
Disallow: /scripts/
Disallow: /themes/
# Files
Disallow: /CHANGELOG.txt
Disallow: /cron.php
Disallow: /INSTALL.mysql.txt
Disallow: /INSTALL.pgsql.txt
Disallow: /INSTALL.sqlite.txt
Disallow: /install.php
Disallow: /INSTALL.txt
Disallow: /LICENSE.txt
Disallow: /MAINTAINERS.txt
Disallow: /update.php
Disallow: /UPGRADE.txt
Disallow: /xmlrpc.php
# Paths (clean URLs)
Disallow: /admin/
Disallow: /comment/reply/
Disallow: /filter/tips/
Disallow: /node/add/
Disallow: /search/
Disallow: /user/register/
Disallow: /user/password/
Disallow: /user/login/
Disallow: /user/logout/
# Paths (no clean URLs)
Disallow: /?q=admin/
Disallow: /?q=comment/reply/
Disallow: /?q=filter/tips/
Disallow: /?q=node/add/
Disallow: /?q=search/
Disallow: /?q=user/password/
Disallow: /?q=user/register/
Disallow: /?q=user/login/
Disallow: /?q=user/logout/

Search preview

iibi.unam.mx
IIBI - UNAM
Sitio web del Instituto de Investigaciones Bibliotecológicas y de la Información de la UNAM

Most important keywords

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

KeywordResultRecheck
UNAM79%Check
IIBI68%Check
de Investigaciones52%Check
Instituto de Investigaciones51%Check
forma50%Check
Información50%Check
web48%Check
Sitio Web47%Check
de Humanidades47%Check
Instituto46%Check

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