- SEO Checker

Overview of the SEO Check
Meta information
Page quality
Page structure
Link structure
External factors
SEO Score
Response time
0.21 s
File size
30.20 kB
Media files
Number of links
79 internal / 32 external

Task list of SEO Improvements

Meta specifications

(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.
(Critically important)
There are no problems in accessing the website.
Canonical URL
No canonical link is specified.
(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.
(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.
(Nice to have)
The favicon is linked correctly.

Meta tags

viewportwidth=device-width, initial-scale=1
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.

Test up to 1.000 webpages of with our free plan!

Sign Up Free
No trial. It's just free!

Page quality

(Critically important)
This page contains 1009 words. That's ok.
30.5% 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.
18 paragraphs were found on this page.
The text content is perfect.
There are no duplicates on the site.
The average number of words per sentence of 15.33 words is good.
(Critically important)
This website 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 website does not require any javascript files.
Bold and strong tags
(Somewhat important)
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)
No additional page markup was found.
(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] 
/graphics/icons/translations.png [Languages] 
/distros/screenshots/hyperbola-i3.png [Screenshot of Hyperbola with i3 window manager] 
/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] 
...ros/screenshots/trisquel8-mate-thumb.jpg [Screenshot of Trisquel 8 with MATE desktop] Feed
/graphics/fsf-logo-notext-small.png [FSF logo] [FS gang]

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
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 Bc
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.
The amount of internal links is ok.
None of the anchor texts is too long.
There are too many external links (32) on this page.
LinkAttributesAnchor text Skip to main text JOIN THE FSF Free Software Supporter Operating System
IMG-ALT [A GNU head] Free Software Foundation
/cgi-bin/estseek.cgiIMG-ALT [Search] IMG-ALT [Languages] No Text No Text GNU
/proprietary/proprietary.htmlMALWARE GNU
/graphics/graphics.htmlGNU ART
/people/people.htmlGNU'S WHO?
/philosophy/free-sw.htmlfree software
/distros/free-distros.htmlinstallable versions of GNU More about GNU below
/distros/free-distros.htmlTry GNU/Linux
/distros/screenshots/hyperbola...IMG-ALT [Screenshot of Hyperbola with i3 window manager] Subdomain Hyperbola 0.3 i3 window manager
/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=trisquelIMG-ALT [Screenshot of Trisquel 8 with MATE desktop] Try parts of GNU the video explanation
/philosophy/free-sw.htmlfour essential freedoms
/philosophy/free-software-even...even more important now the Free Software Foundation's web site you can help 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.htmlThe Hurd information
/philosophy/kind-communication...GNU Kind Communications Guidelines IMG-ALT RSS Feed May GNU Spotlight with Mike Gerwitz: 12 new releases! Don't miss your chance to win fabulous prizes: Get your friends to join the FSF! GNU Parallel 20200522 ('Kraftwerk') released in the USA
A-TITLE Net neutrality in the United States of America privacy global copyright reform LQDN Support current FSF campaigns worldwide
/server/takeaction.htmlin Europe
/server/takeaction.htmlMore action items High Priority Areas
/server/takeaction.htmlmaintain a GNU package
/software/recent-releases.htmlRecent GNU releases
/manual/blurbs.htmlShort descriptions for all GNU packages
/manual/manual.htmldoc BACK TO TOP ⮝
/server/select-language.html?c...Nofollow Set languageñolفارسیçais日本語
/home.zh-tw.html繁體中文 Text duplicate BACK TO TOP ⮝ IMG-ALT [FSF logo] JOIN DONATE SHOP FSF Europe Latin America India meet the free software gang
IMG-ALT [FS gang] ways to contact
/server/standards/README.trans...Translations README Text duplicate Free Software Foundation Creative Commons Attribution-NoDerivatives 4.0 International License Copyright Infringement Notification

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
HTTP header
The web server version is sent within the HTTP header.
No X-Powered HTTP header is sent.
This website uses GZip for compressed data transmission.
(Somewhat important)
This website loads 4 CSS files. This may affect the page load time negatively.
The page response time is excellent with 0.21 seconds.
This website does not require any javascript files.
The file size of the HTML document is fine (30 kB).

HTTP Response Header

dateThu, 04 Jun 2020 12:10:02 GMT
expiresThu, 04 Jun 2020 12:10:02 GMT

External factors

(Critically important)
This website is not classified "for adult only".
This website is not listed on the Shallalist.
This website is referenced by wikipedia.
This website has excellent links from other websites.
This website has backlinks from 330,269 referring domains.
This website has 575,137,228 backlinks.
This website has backlinks from 194,155 different ip addresses.
Facebook popularity
(Somewhat important)
This website has social activity like shares, comments or likes on facebook.
Listed on Webwiki
(Nice to have)
This website is listed on Webwiki.


# robots.txt for

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


Facebook popularity

Shares / Likes / Comments

Only the data for the given URL is shown. We cannot determine the social actions for a linked fan page.

Most important keywords

Seobility found the following keywords. You can check the keyword optimization of this page for each keyword.

Software GNU58%Check
GNU is55%Check
GNU Operating System51%Check
Free Software50%Check
GNU Project49%Check
GNU Linux49%Check
GNU packages49%Check

Test up to 1.000 webpages of with our free plan!

Sign Up Free
No trial. It's just free!