Gnu.org - SEO Checker

Overview of the SEO Check
Meta information
70% 
Page quality
83% 
Page structure
79% 
Link structure
65% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.21 s
File size
30.50 kB
Words
1056
Media files
13
Number of links
79 internal / 35 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
The GNU Operating System and the Free Software Movement
The length of the page title is perfect. (559 pixels out of 580 max pixel length)
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)
The alternate link to the page itself is missing.
An alternate link incorrectly contains an URL with a relative path.
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 character encoding is not specified in the HTTP header.
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
ICBM42.355469,-71.058627
viewportwidth=device-width, initial-scale=1
langen
content-typetext/html; charset=utf-8
KeywordsGNU, FSF, Free Software Foundation, Linux, Emacs, GCC, Unix, Free Software, Libre Software, Operating System, GNU Kernel, GNU Hurd
DescriptionSince 1983, developing the free Unix style operating system GNU, so that computer users can have the freedom to share and improve the software they use.

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Page quality

Content
(Critically important)
This page contains 1056 words. That's ok.
37.2% 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.
24 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 15.35 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.
This page does not require any JavaScript files.
Bold and strong tags
(Somewhat important)
Empty bold or strong tags were found on this page.
Some tags are too long. With 112 characters this one is longer than 70 characters:
"free software means the users have the freedom to run, copy, distribute, study, change and improve the..."
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
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)
This page uses Google authorship information without an image.
HTTPS
(Somewhat important)
The HTTPS protocol for secure data transmission is not used.

Media list

URLAlt attributeTitle
/graphics/heckert_gnu.transp.small.png [A GNU head] 
/graphics/icons/search.png [Search www.gnu.org] 
/graphics/icons/translations.png [Languages] 
/distros/screenshots/trisquel10-mate.jpg [Screenshot of Trisquel 10 with MATE desktop] 
/distros/screenshots/dragora-ice-thumb.jpg [Screenshot of Dragora 3.0-beta1 with IceWM window manager] 
...tros/screenshots/guixSD-gnome3-thumb.jpg [Screenshot of Guix 0.15 with GNOME 3 desktop] 
/distros/screenshots/hyperbola-i3-thumb.jpg [Screenshot of Hyperbola 0.3 with i3 window manager] 
.../screenshots/parabola2020-lxde-thumb.jpg [Screenshot of Parabola 2020 with LXDE desktop] 
/distros/screenshots/gnome3-thumb.jpg [Screenshot of PureOS 8 with GNOME 3 desktop] 
...os/screenshots/trisquel10-mate-thumb.jpg [Screenshot of Trisquel 10 with MATE desktop] 
http://www.gnu.org/feed-icon-10x10.pngRSS Feed
/graphics/fsf-logo-notext-small.png [FSF logo] 
Video URLWidthHeight
...-repair/videos/Fight-to-Repair-720p.webm100%

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 What is GNU?
H2 What is the Free Software Movement?
H2 What is Free Software?
H2 More about GNU
H3 Planet GNU RSS Feed
H3 Take Action
H4 GNU Source Release Collection
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
The number of internal links is ok.
Every linktext is unique.
None of the anchor texts is too long.
There are too many external links (35) on this page.
LinkAttributesAnchor text
http://www.gnu.org/Anchor Skip to main text
http://www.fsf.org/fssExternal Free Software Supporter
https://www.fsf.org/associate/...External JOIN THE FSF
http://www.gnu.org/GNU Operating System
IMG-ALT [A GNU head]
http://www.gnu.org/Anchor Free Software Foundation
/cgi-bin/estseek.cgiIMG-ALT [Search www.gnu.org]
http://www.gnu.org/Anchor IMG-ALT [Languages]
http://www.gnu.org/Anchor Site navigation
A-TITLE More...
http://www.gnu.org/Anchor Skip
http://www.gnu.org/gnu/gnu.htmlABOUT GNU
/philosophy/philosophy.htmlPHILOSOPHY
/licenses/licenses.htmlLICENSES
/education/education.htmlEDUCATION
/software/software.htmlSOFTWARE
/distros/distros.htmlDISTROS
http://www.gnu.org/doc/doc.htmlDOCS
/proprietary/proprietary.htmlMALWARE
http://www.gnu.org/help/help.htmlHELP GNU
/graphics/graphics.htmlGNU ART
http://www.gnu.org/fun/humor.htmlFUN
/people/people.htmlGNU'S WHO?
http://directory.fsf.org/External SOFTWARE DIRECTORY
https://h-node.org/External HARDWARE
/server/sitemap.htmlSITEMAP
https://www.fsf.org/blogs/comm...External Fight to Repair: A video from the FSF
/philosophy/free-sw.htmlfree software
/distros/free-distros.htmlinstallable versions of GNU
http://www.gnu.org/Anchor More about GNU below
/distros/free-distros.htmlTry GNU/Linux
https://trisquel.info/files/sc...External Subdomain IMG-ALT [Screenshot of Trisquel 10 with MATE desktop]
https://trisquel.info/External Subdomain Trisquel 10
https://mate-desktop.org/External MATE
https://www.libreoffice.org/External LibreOffice
/home.html?distro=dragoraIMG-ALT [Screenshot of Dragora 3.0-beta1 with IceWM window manager]
/home.html?distro=guixIMG-ALT [Screenshot of Guix 0.15 with GNOME 3 desktop]
/home.html?distro=hyperbolaIMG-ALT [Screenshot of Hyperbola 0.3 with i3 window manager]
/home.html?distro=parabolaIMG-ALT [Screenshot of Parabola 2020 with LXDE desktop]
/home.html?distro=pureosIMG-ALT [Screenshot of PureOS 8 with GNOME 3 desktop]
/home.html?distro=trisquelText duplicate IMG-ALT [Screenshot of Trisquel 10 with MATE desktop]
https://directory.fsf.org/wiki...External Try parts of GNU
https://www.fsf.org/blogs/rms/...External the video explanation
/philosophy/free-sw.htmlfour essential freedoms
/philosophy/free-software-even...even more important now
https://www.fsf.org/External the Free Software Foundation's web site
http://www.gnu.org/helpways you can help
http://www.gnu.org/software/GNU packages
/pronunciation/pronunciation.html“GNU” is pronounced g'noo
/gnu/linux-and-gnu.htmlGNU/Linux operating system
/gnu/gnu-linux-faq.htmlcall it “Linux” by mistake
/software/hurd/hurd.htmlGNU Hurd
http://www.gnu.org/gnu/gnu.htmlMore information
http://audio-video.gnu.org/aud...External Audio recording
/philosophy/kind-communication...GNU Kind Communications Guidelines
https://lists.gnu.org/archive/...External announcement
https://lists.gnu.org/archive/...External update
https://planet.gnu.org/External Planet GNU
https://planet.gnu.org/rss20.xmlExternal IMG-ALT RSS Feed
http://savannah.gnu.org/forum/...External The History of GNU
http://ageinghacker.net/blog/p...External Hackers getting married
http://savannah.gnu.org/forum/...External libiconv 1.17 released
https://www.fsf.org/campaignsExternal Support current FSF campaigns
https://my.fsf.org/give-studen...External Sign the petition for freedom in the classroom
https://libreplanet.org/wiki/G...External Join the Copilot Watch Group
/server/takeaction.htmlMore action items
/help/priority-projects.htmlGNU high priority enhancement projects
/help/music-subtraction.htmlFree program to subtract background music
http://www.fsf.org/campaigns/p...External long-term high priority projects
/server/takeaction.htmlmaintain a GNU package
/software/cfengine/cfengine
/software/halifax/halifax
/software/mcron/mcron
/software/quickthreads/quickthreads
/software/aspell/aspell
/software/bison/bison
/software/gnuae/gnuae
/software/gnubik/gnubik
/software/metaexchange/metaexchange
/software/powerguru/powerguru
/software/xboard/xboard
/software/recent-releases.htmlRecent GNU releases
/manual/blurbs.htmlShort descriptions for all GNU packages
http://www.gnu.org/software/gsrc/GNU Source Release Collection
/manual/manual.htmldoc
http://www.gnu.org/Anchor
http://www.gnu.org/Anchor BACK TO TOP
/server/select-language.html?c...Nofollow Set language
http://www.gnu.org/home.en.htmlEnglish
http://www.gnu.org/home.de.htmlDeutsch
http://www.gnu.org/home.es.htmlespañol
http://www.gnu.org/home.fa.htmlفارسی
http://www.gnu.org/home.fr.htmlfrançais
http://www.gnu.org/home.it.htmlitaliano
http://www.gnu.org/home.ja.html日本語
http://www.gnu.org/home.nl.htmlNederlands
/home.pt-br.htmlportuguês
http://www.gnu.org/home.ru.htmlрусский
http://www.gnu.org/home.sq.htmlShqip
http://www.gnu.org/home.tr.htmlTürkçe
/home.zh-cn.html简体中文
/home.zh-tw.html繁體中文
http://www.gnu.org/Anchor BACK TO TOP ▲
http://www.fsf.org/External IMG-ALT [FSF logo]
http://www.fsf.org/associate/s...External JOIN
http://donate.fsf.org/External DONATE
http://shop.fsf.org/External SHOP
https://www.fsf.org/External FSF
https://fsfe.org/External Europe
https://www.fsfla.org/ikiwiki/External Latin America
https://fsf.org.in/External India
http://www.gnu.org/contact/other ways to contact
/server/standards/README.trans...Translations README
http://www.fsf.org/External Text duplicate Free Software Foundation
http://creativecommons.org/lic...External Creative Commons Attribution-NoDerivatives 4.0 International License
http://www.fsf.org/about/dmca-...External Copyright Infringement Notification

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
HTTP header
(Important)
The web server version is sent within the HTTP header.
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.21 seconds.
This page only loads 3 CSS files. That's ok.
This page does not require any JavaScript files.
The file size of the HTML document is fine (31 kB).

HTTP Response Header

NameValue
dateSun, 22 May 2022 13:25:58 GMT
serverApache/2.4.29
content-locationhome.html
varynegotiate,accept-language,Accept-Encoding
tcnchoice
strict-transport-securitymax-age=63072000; includeSubDomains; preload
x-frame-optionssameorigin
x-content-type-optionsnosniff
access-control-allow-origin(null)
accept-rangesbytes
cache-controlmax-age=0
expiresSun, 22 May 2022 13:25:58 GMT
content-encodinggzip
content-length9782
content-typetext/html
content-languageen
statuscode200
http_versionHTTP/1.1

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 275,707 referring domains.
This page has 541,985,721 backlinks.
This page has backlinks from 157,547 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 4796 shares, comments and likes on Facebook.
Listed on Webwiki
(Nice to have)
This website is listed on Webwiki.

Robots.txt

# robots.txt for http://www.gnu.org/

User-agent: *
Crawl-delay: 2
Disallow: /private/
Disallow: /savannah-checkouts/
Disallow: /server/trans-map.html

# RT #1298215.
User-agent: *
Crawl-delay: 4
Disallow: /server/trans-map.html

# RT #1298215.
User-agent: *
Crawl-delay: 4
Disallow: /server/select-language.html

# RT #1638325.
User-agent: *
Crawl-delay: 4
Disallow: */CVS/
Disallow: */po/
Disallow: /prep/gnumaint/
Disallow: /prep/wrappers-and-scripts/
Disallow: /proprietary/workshop/
Disallow: /server/banners/
Disallow: /server/gnun/
Disallow: /server/source/
Disallow: /server/staging/
Disallow: /server/body-include*
Disallow: /server/bottom-notes*
Disallow: /server/footer*
Disallow: /server/fs-gang*
Disallow: /server/generic*
Disallow: /server/header*
Disallow: /server/head-include*
Disallow: /server/html5-header*
Disallow: /server/html5-head-include*
Disallow: /server/include-file-list*
Disallow: /server/outdated*
Disallow: /server/top-addendum*
Disallow: /software/gnun/linc/
Disallow: /software/gnun/proofread/
Disallow: /software/gnun/reports/
Disallow: /software/gnun/test/

Sitemap: http://www.gnu.org/sitemap.xml

Most important keywords

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

KeywordResultRecheck
GNU72%Check
Free59%Check
Free Software59%Check
Free Software Movement59%Check
Software58%Check
GNU Operating System56%Check
GNU packages54%Check
GNU Linux54%Check
Free Software Foundation54%Check
Movement54%Check

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