Centos.org - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
74% 
Page structure
70% 
Link structure
57% 
Server
45% 
External factors
100% 
SEO Score
Response time
0.07 s
File size
27.90 kB
Words
590
Media files
60
Number of links
29 internal / 92 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 2 text duplicates on this page:
  • Duplicate: Community-driven free software effort focused around the goal of provi...
This page contains 590 words. That's ok.
30.2% of the text are stop words.
The page contains a listing, which indicates a good text layout.
15 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
The average number of words per sentence of 15.21 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=1.0, shrink-to-fit=no" is provided.
This page only loads 3 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 12 tags for this page.
Image SEO
(Somewhat important)
59 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
https://www.centos.org/assets/img/logo.pngThe CentOS 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
/assets/img/sponsors/binaryracks.pngNo alt attribute provided
/assets/img/sponsors/cdn77.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/coreix.jpgNo alt attribute provided
/assets/img/sponsors/cpanel.pngNo alt attribute provided
/assets/img/sponsors/dedicatednow.gifNo alt attribute provided
/assets/img/sponsors/dedicatedsolutions.pngNo alt attribute provided
/assets/img/sponsors/dtsnet.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/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-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/internetx.gifNo alt attribute provided
/assets/img/sponsors/intevation.pngNo alt attribute provided
/assets/img/sponsors/itsyndicate.pngNo alt attribute provided
/assets/img/sponsors/leaseweb.pngNo alt attribute provided
/assets/img/sponsors/liquidweb.pngNo alt attribute provided
/assets/img/sponsors/lyrahosting.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/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/PNAP_Banner.gifNo 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/vultr.pngNo alt attribute provided
/assets/img/sponsors/webnx1.pngNo alt attribute provided
/assets/img/sponsors/wehaveservers.pngNo alt attribute provided
...s/img/sponsors/whitelabelitsolutions.gifNo alt attribute provided
/assets/img/sponsors/wow.234x60.gifNo 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.
The structure of headings is missing one or more levels. Do not skip heading levels.
Some headings do not have any content.

Heading structure

Heading levelContent
H1 The CentOS Project
H2 CentOS Linux
H2 CentOS Stream
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 News and events
H2 Around CentOS
H3 Connect at FOSDEM
H3 Summer Dojo
H3 DevConf.US Dojo
H3 FOSDEM CentOS Dojo Videos
H3 Convert to CentOS Stream 8
H3 CentOS Blog: CentOS Board Meeting Recap, January 2023
H3 CentOS Blog: CentOS Community Newsletter, January 2023
H3 CentOS Blog: Quarterly Report – CentOS Automotive SIG
H3 CentOS Blog: CentOS Board Meeting Recap, December 2022
H3 CentOS Blog: CentOS Hyperscale SIG Quarterly Report for 2022Q4
H4 The CentOS Project Duplicate text
H6 Sponsors
H6 About
H6 Community
Some internal link anchor texts are too long.
Some anchor texts are used more than once.
The number of internal links is ok.
All internal links are not using dynamic parameters.
There are too many external links (92) on this page.

Found links on this page

LinkAttributesAnchor text
https://www.centos.org/IMG-ALT The 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
/code-of-conductCode of Conduct
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://wiki.centos.org/Report...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
https://wiki.centos.org/Docume...External Subdomain Help
https://www.centos.org/cl-vs-csWhat's the difference?
/centos-linuxCentOS Linux Consistent, manageable platform that suits a wide variety of deployments. For some open source communities, it is a solid, predictable base to b...
/centos-streamCentOS Stream Continuously delivered distro that tracks just ahead of Red Hat Enterprise Linux (RHEL) development, positioned as a midstream between Fedora L...
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://wiki.centos.org/Report...External Subdomain Text duplicate Submit Bug
/news-and-events/connect-fosdem/Connect at FOSDEM Nov 22, 2022 — Join us at CentOS Connect on February 3, 2023, the day before FOSDEM. CentOS Connect is a free mini-conference focusing on C...
/news-and-events/summer-dojo/Summer Dojo Jun 10, 2022 — CentOS is hosting a free online Dojo on June 17. We have seven talks on a variety of topics, as well as a chance to chat with the ...
/news-and-events/devconf-dojo/DevConf.US Dojo Jun 10, 2022 — CentOS is hosting an in-person Dojo at DevConf.US. The Dojo will take place at Boston University on August 17, the day before ...
/news-and-events/fosdem-centos...FOSDEM CentOS Dojo Videos Feb 9, 2022 — The videos and slides from the FOSDEM CentOS Dojo are now available on the event website.
/news-and-events/convert-to-st...Convert to CentOS Stream 8 Feb 9, 2022 — The CentOS Linux 8 packages have been removed from the mirrors. If you haven’t already, convert any CentOS Linux 8 i...
https://blog.centos.org/2023/0...External Subdomain CentOS Blog: CentOS Board Meeting Recap, January 2023 Jan 18, 2023 — The recording of the January CentOS Board meeting is now available. Watch the recording ...
https://blog.centos.org/2023/0...External Subdomain CentOS Blog: CentOS Community Newsletter, January 2023 Jan 13, 2023 — January 2023 Newsletter CentOS Connect CentOS Connect has been announced as a FOSDEM Fr...
https://blog.centos.org/2023/0...External Subdomain CentOS Blog: Quarterly Report – CentOS Automotive SIG Jan 12, 2023 — Membership update The CentOS Automotive SIG does not have a formal membership process. T...
https://blog.centos.org/2023/0...External Subdomain CentOS Blog: CentOS Board Meeting Recap, December 2022 Jan 10, 2023 — The recording of the December CentOS Board meeting is finally available after some holi...
https://blog.centos.org/2023/0...External Subdomain CentOS Blog: CentOS Hyperscale SIG Quarterly Report for 2022Q4 Jan 9, 2023 — CentOS Hyperscale SIG Quarterly Report for 2022Q4 This report covers work that h...
https://www.centos.org/sponsorsbecoming a sponsor
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.binaryracks.com/Nofollow External No Text
http://www.cdn77.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
https://www.coreix.net/Nofollow External No Text
http://www.cpanel.com/Nofollow External No Text
http://www.dedicatednow.com/Nofollow External No Text
https://www.dedicatedsolutions...Nofollow External No Text
https://dts-net.com/portal/lin...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
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://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.internetx.com/Nofollow External No Text
http://www.intevation.de/Nofollow External No Text
https://itsyndicate.org/Nofollow External No Text
http://www.leaseweb.com/Nofollow External No Text
http://www.liquidweb.com/Nofollow External No Text
https://www.lyrahosting.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.psw.net/Nofollow External No Text
http://www.psychz.net/Nofollow External No Text
http://www.ptisp.pt/Nofollow External No Text
http://www.securedservers.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
https://www.vultr.com/Nofollow External No Text
http://www.webnx.com/Nofollow External No Text
https://www.wehaveservers.com/Nofollow External No Text
http://whitelabelitsolutions.com/Nofollow External No Text
http://www.wowrack.com/Nofollow External No Text
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
/code-of-conductText duplicate Code of Conduct
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://wiki.centos.org/Report...External Subdomain Text duplicate Submit Bug
https://www.facebook.com/group...External No Text
https://twitter.com/CentOSExternal 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
https://www.centos.org/Anchor No Text

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)
The page response time is excellent with 0.07 seconds.
This page only loads 1 CSS files. That's ok.
This page only loads 3 JavaScript files. That's good!
The file size of the HTML document is fine (28 kB).

HTTP Response Header

NameValue
dateTue, 24 Jan 2023 11:32:10 GMT
serverApache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips
strict-transport-securitymax-age=31536000
x-frame-optionsSAMEORIGIN
x-xss-protection1; mode=block
x-content-type-optionsnosniff
referrer-policysame-origin
last-modifiedTue, 24 Jan 2023 11:26:10 GMT
etag"6f7b-5f300c85cd8f5"
accept-rangesbytes
content-length28539
content-typetext/html; charset=UTF-8
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 42,311 referring domains.
This page has 25,604,488 backlinks.
This page has backlinks from 27,104 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 1557 shares and comments on Facebook.
Listed on Webwiki
(Nice to have)
This website is listed on Webwiki.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

No valid Robots.txt file was found.

Similar sites

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
CentOS74%Check
CentOS Project69%Check
Project68%Check
CentOS Stream56%Check
2022 CentOS56%Check
2023 CentOS56%Check
CentOS Linux54%Check
CentOS Connect54%Check
CentOS Automotive54%Check
CentOS Hyperscale54%Check
Show more keywords and terms

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