Guaix.fis.ucm.es - SEO Checker

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Overview of the SEO Check
Meta information
61% 
Page quality
40% 
Page structure
69% 
Link structure
42% 
Server
45% 
External factors
59% 
SEO Score
Response time
0.21 s
File size
36.80 kB
Words
505
Media files
24
Number of links
60 internal / 18 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
GUAIX | UCM group of Extragalactic Astrophysics and Astronomical Instrumentation
The page title should be shorter than 580 pixels. It is 751 pixels long. 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)
No canonical link is specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: United States of America
The following language is defined by HTML: en
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 XHTML 1.0 Strict 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
langen
Content-Typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
The average number of words per sentence of 43.38 words is high.
This page contains 505 words. That's ok.
28.1% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
8 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.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No viewpoint tag is provided.
No Apple touch icon is specified.
This page only loads 1 JavaScript files. That's good!
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 10 tags for this page.
Image SEO
(Somewhat important)
11 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
/sites/default/files/sfg_logo.jpgHome
...files/images/logos/ucm_escudocolor_3.jpgUniversidad Complutense de Madrid
.../AAAAAAAAIZQ/-HLhNadNLLA/megara_logo.jpgNo alt attribute providedmegara-logo
...default/files/images/logos/logo-emir.pngNo alt attribute provided
...efault/files/images/logos/logo-frida.pngNo alt attribute provided
data:[...] Base64No alt attribute provided
/sites/default/files/images/IMG_0461.JPGNo alt attribute provided
...ers/user4/PAM_Montsec_LoNNe_20160504.pngNo alt attribute provided
...07806944876216_1786022559208113165_n.jpgNo alt attribute provided
...07806941476131_6688322271783990941_n.jpgNo alt attribute provided
...07806941516132_6520702862456566755_n.jpgNo alt attribute provided
http://guaix.fis.ucm.es/misc/feed.pngSyndicate contentGUAIX RSS
/sites/default/files/images/new_page.jpghttps://guaix.ucm.es
...s/default/files/users/user8/CEI_logo.jpgNo alt attribute provided
...files/images/logos/shards_logo_small.jpgSHARDSSHARDS
...efault/files/images/logos/aegis_logo.jpgAEGISAEGIS
...es/default/files/images/logos/goya_0.gifGoyaProyecto GOYA
...ault/files/images/logos/consolider_0.gifConsoliderConsolider-Ingenio GTC
...fault/files/images/logos/micinn_logo.jpgMinisterio de Ciencia y Tecnología
/sites/default/files/images/logos/ucm_0.gifUniversidad Complutense de Madrid
...ault/files/images/logos/consolider_0.gifLogo ConsoliderConsolider-Ingenio GTC
...lt/files/images/logos/logo_grantecan.pngLogo GrantecanGran Telescopio Canarias
.../files/images/logos/astromadrid_logo.pngAstroMadrid logo
...t/files/images/logos/bluebreeze_logo.jpgNo alt attribute provided

Page structure

H1 heading
(Critically important)
GUAIX
The H1 heading consists of only one word. There should be more information given.
The H1 heading is too short (5 characters). It should be at least 20 Characters long.
Headings
(Important)
Some headings do not have any content.

Heading structure

Heading levelContent
H1 GUAIX
H2 UCM group of Extragalactic Astrophysics and Astronomical Instrumentation
H2 Empty heading
H2 Content
H2 User login
H2 A Gigantic Step into the Deep Universe
H2 Contaminación Lumínica en la Sierra de Guadarrama
H2 Entrevista con la estudiante GUAIX Cristina Catalán Torrecilla
H2 LoNNe intercomparison campaign at Montsec
H2 (Former) Graduate students Lucía Rodríguez Muñoz and Raffaella A. Marino get their Ph.D. degree
H2 New GUAIX
H2 Empty heading
H2 Collaborations
H2 Funding
H2 Empty heading
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.
3 links don't have an anchor text.
There are 4 links with a trivial anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are 18 external links on this page.

Found links on this page

LinkAttributesAnchor text
http://guaix.fis.ucm.es/.
https://guaix.fis.ucm.es/gwikiSubdomain Private
http://guaix.fis.ucm.es/aboutAbout
http://guaix.fis.ucm.es/IMG-ALT Home
A-TITLE Home
http://guaix.fis.ucm.es/GUAIX
A-TITLE Home
http://www.ucm.es/External Subdomain IMG-ALT Universidad Complutense de Madrid
http://guaix.fis.ucm.es/Text duplicate Home
http://guaix.fis.ucm.es/node/17Science
A-TITLE Science
http://guaix.fis.ucm.es/node/857Software
/instrumentationInstrumentation
http://guaix.fis.ucm.es/aboutPeople
A-TITLE People
http://guaix.fis.ucm.es/node/869Multimedia
http://guaix.fis.ucm.es/node/1634Misc
A-TITLE Miscellanea
/user/passwordRequest new password
A-TITLE Request new password via e-mail.
http://www.ucm.es/info/Astrof/External Subdomain Dept. Astrofísica y CC de la Atmósfera
/www.ucm.esUniv. Complutense de Madrid
http://guaix.fis.ucm.es/node/866Subdomain Local star-forming galaxies
http://guaix.fis.ucm.es/node/897Subdomain Galaxy models
http://guaix.fis.ucm.es/node/867Subdomain Surveys
http://guaix.fis.ucm.es/node/868Subdomain Databases
/~pgperez/SHARDS/Subdomain SHARDS
http://guaix.fis.ucm.es/node/863Subdomain Stellar libraries
http://guaix.fis.ucm.es/node/864Subdomain Early-type galaxies
http://guaix.fis.ucm.es/fireballSubdomain Meteors and Fireballs
http://guaix.fis.ucm.es/DarkSkiesSubdomain Dark Skies
http://guaix.fis.ucm.es/megaraSubdomain MEGARA
http://guaix.fis.ucm.es/megaraSubdomain No Text
/taxonomy/term/13Subdomain EMIR:
/taxonomy/term/13Subdomain No Text
/taxonomy/term/14Subdomain FRIDA:
/taxonomy/term/14Subdomain No Text
http://guaix.fis.ucm.es/node/1678A Gigantic Step into the Deep Universe
http://guaix.fis.ucm.es/user/4jaz
A-TITLE View user profile.
http://guaix.fis.ucm.es/node/1678Trivial anchor text
Read more
/https:/%2Fguaix.fis.ucm.es/CL...Contaminación Lumínica en la Sierra de Guadarrama
http://guaix.fis.ucm.es/user/4Text duplicate jaz
A-TITLE View user profile.
http://www.magrama.gob.es/es/c...External Subdomain I Jornadas sobre Contaminación Lumínica en el Parque Nacional de la Sierra de Guadarrama
https://guaix.fis.ucm.es/splpr/Subdomain REECL
http://juliovias.blogspot.com....External Subdomain este post de su blog
http://www.stars4all.eu/External Subdomain STARS4ALL
/https:/%2Fguaix.fis.ucm.es/CL...Text duplicate Trivial anchor text
Read more
http://guaix.fis.ucm.es/node/1672Entrevista con la estudiante GUAIX Cristina Catalán Torrecilla
http://guaix.fis.ucm.es/user/3gildepaz
A-TITLE View user profile.
http://www.ucm.es/califa-permi...External Subdomain enlace
http://www.madrimasd.org/infor...External Subdomain Text duplicate enlace
http://guaix.fis.ucm.es/node/1672Text duplicate Trivial anchor text
Read more
http://guaix.fis.ucm.es/node/1669LoNNe intercomparison campaign at Montsec
http://guaix.fis.ucm.es/user/4Text duplicate jaz
A-TITLE View user profile.
http://guaix.fis.ucm.es/node/1668(Former) Graduate students Lucía Rodríguez Muñoz and Raffaella A. Marino get their Ph.D. degree
http://guaix.fis.ucm.es/user/3Text duplicate gildepaz
A-TITLE View user profile.
http://guaix.fis.ucm.es/node/1668Text duplicate Trivial anchor text
Read more
/node?page=12
A-TITLE Go to page 2
/node?page=23
A-TITLE Go to page 3
/node?page=34
A-TITLE Go to page 4
/node?page=45
A-TITLE Go to page 5
/node?page=56
A-TITLE Go to page 6
/node?page=67
A-TITLE Go to page 7
/node?page=78
A-TITLE Go to page 8
/node?page=89
A-TITLE Go to page 9
/node?page=1next ›
A-TITLE Go to next page
/node?page=41last »
A-TITLE Go to last page
http://guaix.fis.ucm.es/rss.xmlSubdomain IMG-ALT Syndicate content
https://guaix.ucm.es/New window External Subdomain URL anchor text
IMG-ALT https://guaix.ucm.es
A-TITLE Nueva página
https://guaix.ucm.es/New window External Subdomain Text duplicate URL anchor text
https://guaix.ucm.es
http://www.campusmoncloa.es/External Subdomain No Text
http://guaix.fis.ucm.es/licaSubdomain LICA:
/~pgperez/SHARDS/Subdomain Text duplicate IMG-ALT SHARDS
A-TITLE Survey for High-z Absorption Red and Dead Sources
http://aegis.ucolick.org/External Subdomain IMG-ALT AEGIS
A-TITLE All-wavelength Extended Groth strip International Survey
http://www.iac.es/proyecto/GOY...External Subdomain IMG-ALT Goya
A-TITLE GOYA project
http://www.iac.es/consolider-i...External Subdomain IMG-ALT Consolider
A-TITLE Consolider-Ingenio GTC
http://ciencia.micinn.fecyt.es...External Subdomain IMG-ALT Ministerio de Ciencia y Tecnología
A-TITLE Ministerio de Educación y Ciencia
http://www.ucm.es/External Subdomain Text duplicate IMG-ALT Universidad Complutense de Madrid
http://www.iac.es/consolider-i...External Subdomain IMG-ALT Logo Consolider
A-TITLE Consolider-Ingenio GTC
http://www.gtc.iac.es/External Subdomain IMG-ALT Logo Grantecan
A-TITLE Gran Telescopio Canarias
http://astromadrid.es/External IMG-ALT AstroMadrid logo
A-TITLE Astro Madrid
http://guaix.fis.ucm.es/splpr/Subdomain Text duplicate REECL
http://guaix.fis.ucm.es/aboutGuaix team
http://guaix.fis.ucm.es/contactContact

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
HTTP header
(Important)
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)
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is excellent with 0.21 seconds.
This page only loads 1 CSS files. That's ok.
This page only loads 1 JavaScript files. That's good!
The file size of the HTML document is fine (37 kB).

HTTP Response Header

NameValue
dateFri, 20 Mar 2026 19:08:09 GMT
serverApache/2.2.15 (CentOS)
x-powered-byPHP/5.3.3
last-modifiedMon, 23 Feb 2026 16:17:02 GMT
etag"d0de926fc6f1323899182ebfa5f5412c"
expiresSun, 19 Nov 1978 05:00:00 GMT
cache-controlmust-revalidate
content-encodinggzip
content-typetext/html; charset=utf-8
set-cookie136 Characters
transfer-encodingchunked
statuscode200
http_versionHTTP/1.1

External factors

This page has only a few links from other websites.
This page only has backlinks from 18 referring domains.
This page only has 42 backlinks.
This page only has few backlinks from 18 different ip addresses.
This page is referenced by wikipedia.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

# $Id: robots.txt,v 1.4.4.3 2008/11/04 09:14:25 hass Exp $
#
# 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/wc/robots.html
#
# For syntax checking, see:
# http://www.sxw.org.uk/computing/robots/check.html

User-agent: *
Crawl-delay: 10
# Directories
Disallow: /includes/
Disallow: /misc/
Disallow: /modules/
Disallow: /profiles/
Disallow: /scripts/
Disallow: /sites/
Disallow: /themes/
# Files
Disallow: /CHANGELOG.txt
Disallow: /cron.php
Disallow: /INSTALL.mysql.txt
Disallow: /INSTALL.pgsql.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: /contact/
Disallow: /logout/
Disallow: /node/add/
Disallow: /search/
Disallow: /user/register/
Disallow: /user/password/
Disallow: /user/login/
# Paths (no clean URLs)
Disallow: /?q=admin/
Disallow: /?q=comment/reply/
Disallow: /?q=contact/
Disallow: /?q=logout/
Disallow: /?q=node/add/
Disallow: /?q=search/
Disallow: /?q=user/password/
Disallow: /?q=user/register/
Disallow: /?q=user/login/
# More things
Disallow: /viewvc/
Disallow: /projects/
Disallow: /infrastructure/
Disallow: /privado/
Disallow: /hg/

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Most important keywords

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

KeywordResultRecheck
GUAIX83%Check
UCM65%Check
UCM group58%Check
group50%Check
Extragalactic50%Check
Extragalactic Astrophysics50%Check
Astronomical Instrumentation50%Check
Instrumentation49%Check
Astrophysics49%Check
Astronomical49%Check
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