Centos.org - SEO Checker

Overview of the SEO Check
Meta information
80% 
Page quality
35% 
Page structure
94% 
Link structure
71% 
Server
38% 
External factors
100% 
SEO Score
Response time
0.10 s
File size
23.20 kB
Words
207
Media files
73
Number of links
18 internal / 97 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
The CentOS Project
The page title is too short. (183 pixels of 580 max pixel length) 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: Netherlands
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 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, shrink-to-fit=no
langen
charsetutf-8

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Page quality

Content
(Critically important)
There are only 207 words on this page. Use at least 250 words to provide useful information.
24.6% of the text are stop words.
The page contains a listing, which indicates a good text layout.
5 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 15.57 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
This page loads 4 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1.0, shrink-to-fit=no" is provided.
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)
72 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.

Media list

URLAlt attributeTitle
/assets/img/centos-logo-white.pngCentOS Project
/assets/img/sponsors/45drives.pngNo alt attribute provided
/assets/img/sponsors/altushost.pngNo alt attribute provided
/assets/img/sponsors/am-logo.pngNo alt attribute provided
/assets/img/sponsors/aws.pngNo alt attribute provided
/assets/img/sponsors/BackupVault.pngNo alt attribute provided
/assets/img/sponsors/baseip_240x60.jpgNo alt attribute provided
...img/sponsors/Banner_Castlegem_240x60.gifNo alt attribute provided
/assets/img/sponsors/cdn77.pngNo alt attribute provided
/assets/img/sponsors/ch-center-small.pngNo alt attribute provided
/assets/img/sponsors/clientvps.pngNo alt attribute provided
/assets/img/sponsors/codero.pngNo alt attribute provided
/assets/img/sponsors/colocation-america.pngNo alt attribute provided
/assets/img/sponsors/coloau.pngNo alt attribute provided
/assets/img/sponsors/cologuard.pngNo alt attribute provided
/assets/img/sponsors/constant.pngNo alt attribute provided
/assets/img/sponsors/coreix.jpgNo alt attribute provided
/assets/img/sponsors/cpanel.pngNo alt attribute provided
/assets/img/sponsors/dbd_240_60.jpgNo alt attribute provided
/assets/img/sponsors/dedicatednow.gifNo alt attribute provided
/assets/img/sponsors/dedicatedsolutions.pngNo alt attribute provided
/assets/img/sponsors/equinix.pngNo alt attribute provided
/assets/img/sponsors/eStruxture.pngNo alt attribute provided
/assets/img/sponsors/eukhost.pngNo alt attribute provided
/assets/img/sponsors/exabytes.pngNo alt attribute provided
/assets/img/sponsors/fasthosts.pngNo alt attribute provided
/assets/img/sponsors/GameHost.pngNo alt attribute provided
/assets/img/sponsors/globotech.pngNo alt attribute provided
/assets/img/sponsors/heficed.pngNo alt attribute provided
/assets/img/sponsors/host-engine.pngNo alt attribute provided
/assets/img/sponsors/host-stage.pngNo alt attribute provided
...sponsors/HostDime_Logo_Slogan_300_71.pngNo alt attribute provided
/assets/img/sponsors/hostdime_br_small.jpgNo alt attribute provided
/assets/img/sponsors/hostiserver.pngNo alt attribute provided
/assets/img/sponsors/hostkey_small.gifNo alt attribute provided
/assets/img/sponsors/internetx.gifNo alt attribute provided
/assets/img/sponsors/intevation.pngNo alt attribute provided
/assets/img/sponsors/iomart.pngNo alt attribute provided
/assets/img/sponsors/itsyndicate.pngNo alt attribute provided
/assets/img/sponsors/leaseweb.pngNo alt attribute provided
/assets/img/sponsors/OffshoreVPS.pngNo alt attribute provided
/assets/img/sponsors/liquidweb.pngNo alt attribute provided
/assets/img/sponsors/lyrahosting.pngNo alt attribute provided
/assets/img/sponsors/miva.pngNo alt attribute provided
/assets/img/sponsors/multacom-240x60.gifNo alt attribute provided
/assets/img/sponsors/NDCHost.pngNo alt attribute provided
/assets/img/sponsors/nexcess.pngNo alt attribute provided
/assets/img/sponsors/pidginhost.pngNo alt attribute provided
/assets/img/sponsors/OffshoreServers.pngNo alt attribute provided
/assets/img/sponsors/profvds.pngNo alt attribute provided
/assets/img/sponsors/PSW_Banner_240x60.jpgNo alt attribute provided
/assets/img/sponsors/psychz-234x60.jpgNo alt attribute provided
/assets/img/sponsors/ptisp.pngNo alt attribute provided
/assets/img/sponsors/redstation.pngNo alt attribute provided
/assets/img/sponsors/scaleway_logo.pngNo alt attribute provided
/assets/img/sponsors/PNAP_Banner.gifNo alt attribute provided
/assets/img/sponsors/seedvps.pngNo alt attribute provided
/assets/img/sponsors/serverel.pngNo alt attribute provided
/assets/img/sponsors/centos-serverhub.pngNo alt attribute provided
/assets/img/sponsors/servermania.gifNo alt attribute provided
/assets/img/sponsors/serverpoint.pngNo alt attribute provided
/assets/img/sponsors/serverpronto_small.gifNo alt attribute provided
...ts/img/sponsors/shinjirubanner260x60.gifNo alt attribute provided
/assets/img/sponsors/steadfast.pngNo alt attribute provided
/assets/img/sponsors/tailoredservers.pngNo alt attribute provided
/assets/img/sponsors/trabia.pngNo alt attribute provided
/assets/img/sponsors/vhostvn.gifNo alt attribute provided
/assets/img/sponsors/vsys.pngNo alt attribute provided
/assets/img/sponsors/voyant.pngNo alt attribute provided
/assets/img/sponsors/webnx1.pngNo alt attribute provided
...s/img/sponsors/whitelabelitsolutions.gifNo alt attribute provided
/assets/img/sponsors/wow.234x60.gifNo alt attribute provided
/assets/img/sponsors/ad_lfcpxen_240x60.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
The CentOS Project
The H1 heading is too short (18 characters). It should be at least 20 Characters long.
Headings
(Important)
Some headings occur twice on the page.

Heading structure

Heading levelContent
H1 The CentOS Project
H2 News and events
H2 Around CentOS
H2 Sponsorship
H3 About
H3 Community
H3 The CentOS Project Duplicate text
H4 We are shifting focus to CentOS Stream
H4 February 5th: CentOS Dojo @ FOSDEM
Some anchor texts are used more than once.
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 (97) on this page.
LinkAttributesAnchor text
https://www.centos.org/IMG-ALT CentOS Project
https://www.centos.org/downloadDownload
https://www.centos.org/aboutAbout CentOS
https://wiki.centos.org/FAQExternal Subdomain Frequently Asked Questions (FAQs)
https://wiki.centos.org/Specia...External Subdomain Special Interest Groups (SIGs)
https://www.centos.org/variantsCentOS Variants
/about/governanceGovernance
https://wiki.centos.org/Contri...External Subdomain Contribute
https://www.centos.org/forums/Forums
https://wiki.centos.org/Gettin...External Subdomain Mailing Lists
https://wiki.centos.org/ircExternal Subdomain IRC
/community/calendar/Calendar & IRC Meeting List
http://planet.centos.org/External Subdomain Planet
https://bugs.centos.org/External Subdomain Submit Bug
https://wiki.centos.org/External Subdomain Wiki
https://docs.centos.org/External Subdomain Manuals
https://www.centos.org/keysGPG Key Info
http://wiki.centos.org/Documen...External Subdomain Help
/centos-linuxCentOS Linux
/centos-streamCentOS Stream
https://blog.centos.org/2020/1...External Subdomain See full details on the blog.
https://wiki.centos.org/Events...External Subdomain CentOS Dojo at FOSDEM 2021
http://www.45drives.com/Nofollow External No Text
https://www.altushost.com/Nofollow External No Text
http://www.artmotion.eu/Nofollow External No Text
https://aws.amazon.com/Nofollow External Subdomain No Text
https://www.backupvault.co.uk/Nofollow External No Text
http://www.baseip.com/Nofollow External No Text
http://www.castlegem.co.uk/Nofollow External No Text
http://www.cdn77.com/Nofollow External No Text
http://www.ch-center.com/Nofollow External No Text
https://www.clientvps.com/Nofollow External No Text
http://www.codero.com/Nofollow External No Text
http://www.colocationamerica.c...Nofollow External No Text
http://coloau.com.au/Nofollow External No Text
http://www.colocationguard.com/Nofollow External No Text
http://www.constant.com/Nofollow External No Text
https://www.coreix.net/Nofollow External No Text
http://www.cpanel.com/Nofollow External No Text
http://www.databasebydesignllc...Nofollow External No Text
http://www.dedicatednow.com/Nofollow External No Text
https://www.dedicatedsolutions...Nofollow External No Text
https://metal.equinix.com/Nofollow External Subdomain No Text
https://www.estruxture.com/Nofollow External No Text
http://www.eukhost.com/Nofollow External No Text
http://www.exabytes.com.my/Nofollow External No Text
https://www.fasthosts.co.uk/Nofollow External No Text
https://gamehost.io/Nofollow External No Text
http://www.globo.tech/Nofollow External Subdomain No Text
http://www.heficed.com/Nofollow External No Text
http://host-engine.com/Nofollow External No Text
http://www.host-stage.net/Nofollow External No Text
http://www.hostdime.com/Nofollow External No Text
http://www.hostdime.com.br/Nofollow External No Text
https://www.hostiserver.com/Nofollow External No Text
http://www.hostkey.com/Nofollow External No Text
http://www.internetx.com/Nofollow External No Text
http://www.intevation.de/Nofollow External No Text
https://www.iomart.com/Nofollow External No Text
https://itsyndicate.org/Nofollow External No Text
http://www.leaseweb.com/Nofollow External No Text
https://libertyvps.net/Nofollow External No Text
http://www.liquidweb.com/Nofollow External No Text
https://www.lyrahosting.com/Nofollow External No Text
https://www.miva.com/Nofollow External No Text
http://www.multacom.com/Nofollow External No Text
https://www.ndchost.com/Nofollow External No Text
http://www.nexcess.net/Nofollow External No Text
http://www.pidginhost.com/Nofollow External No Text
https://www.pirateshosting.net/Nofollow External No Text
http://www.profvds.com/Nofollow External No Text
http://www.psw.net/Nofollow External No Text
http://www.psychz.net/Nofollow External No Text
http://www.ptisp.pt/Nofollow External No Text
http://www.redstation.com/Nofollow External No Text
http://www.scaleway.com/Nofollow External No Text
http://www.securedservers.com/...Nofollow External No Text
https://www.seedvps.com/Nofollow External No Text
http://www.serverel.com/Nofollow External No Text
http://www.serverhub.com/Nofollow External No Text
http://servermania.com/Nofollow External No Text
http://www.serverpoint.com/Nofollow External No Text
http://www.serverpronto.com/Nofollow External No Text
http://shinjiru.com/Nofollow External No Text
http://steadfast.net/Nofollow External No Text
http://www.tailoredservers.com/Nofollow External No Text
https://www.trabia.com/Nofollow External No Text
http://vhost.vn/Nofollow External No Text
https://vsys.host/Nofollow External Subdomain No Text
http://www.voyant.com/Nofollow External No Text
http://www.webnx.com/Nofollow External No Text
http://whitelabelitsolutions.com/Nofollow External No Text
http://www.wowrack.com/Nofollow External No Text
http://www.xenproject.org/Nofollow External No Text
https://www.centos.org/sponsorsbecoming a sponsor
https://www.centos.org/aboutText duplicate About CentOS
https://wiki.centos.org/FAQExternal Subdomain Text duplicate Frequently Asked Questions (FAQs)
https://wiki.centos.org/Specia...External Subdomain Text duplicate Special Interest Groups (SIGs)
https://www.centos.org/variantsText duplicate CentOS Variants
/about/governanceText duplicate Governance
https://wiki.centos.org/Contri...External Subdomain Text duplicate Contribute
https://www.centos.org/forums/Text duplicate Forums
https://wiki.centos.org/Gettin...External Subdomain Text duplicate Mailing Lists
https://wiki.centos.org/ircExternal Subdomain Text duplicate IRC
/community/calendar/Text duplicate Calendar & IRC Meeting List
http://planet.centos.org/External Subdomain Text duplicate Planet
https://bugs.centos.org/External Subdomain Text duplicate Submit Bug
https://www.facebook.com/group...External No Text
https://twitter.com/centosprojectExternal No Text
https://youtube.com/TheCentOSP...External No Text
https://www.linkedin.com/group...External No Text
https://www.reddit.com/r/CentOS/External No Text
https://www.centos.org/legalLegal
/legal/privacyPrivacy
https://git.centos.org/centos/...External Subdomain Site Source

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.centos.org/"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
The web server version is sent within the HTTP header.
No X-Powered HTTP header is sent.
Performance
(Somewhat important)
This page loads 5 CSS files. This may affect the page load time negatively.
This page loads 4 JavaScript files. This may affect the load time negatively.
The page response time is excellent with 0.10 seconds.
The file size of the HTML document is fine (23 kB).

HTTP Response Header

NameValue
dateSun, 20 Dec 2020 17:24:58 GMT
serverApache/2.4.37 (centos) OpenSSL/1.1.1c
strict-transport-securitymax-age=31536000
x-frame-optionsSAMEORIGIN
x-xss-protection1; mode=block
x-content-type-optionsnosniff
referrer-policysame-origin
last-modifiedSun, 20 Dec 2020 16:25:13 GMT
etag"5ca5-5b6e7c93ea21a"
accept-rangesbytes
content-length23717
content-typetext/html; charset=UTF-8
statuscode200
http_versionHTTP/1.1

External factors

Blacklists
(Critically important)
This website is not classified "for adult only".
This website is not listed on the Shallalist.
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 46,267 referring domains.
This page has 15,246,779 backlinks.
This page has backlinks from 33,112 different ip addresses.
Facebook popularity
(Somewhat important)
This page has social activity like shares, comments or likes on facebook.
Listed on Webwiki
(Nice to have)
This website is listed on Webwiki.

Robots.txt

No valid Robots.txt file was found.

Facebook popularity

Shares / Likes / Comments
1,460

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

Search preview

www.centos.org
The CentOS Project

Most important keywords

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

KeywordResultRecheck
CentOS83%Check
CentOS Project75%Check
Project68%Check
CentOS Stream61%Check
CentOS Linux59%Check
CentOS Dojo59%Check
Stream43%Check
sponsors40%Check
sponsor40%Check
Linux39%Check

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