Centos.org - SEO Checker

Overview of the SEO Check
Meta information
75% 
Page quality
52% 
Page structure
78% 
Link structure
75% 
Server
27% 
External factors
100% 
SEO Score
Response time
0.10 s
File size
20.60 kB
Words
321
Media files
73
Number of links
16 internal / 93 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
CentOS Project
The page title is too short. (142 pixels of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is empty.
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
Server location: Netherlands
One or more of the specified languages are not ISO standard (en, en-us, de, etc.)
The language is not specified in the HTML markup.
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
descriptionEmpty
authorEmpty
Content-Typetext/html; charset=UTF-8
cache-controlmax-age=0
pragmano-cache
charsetutf-8

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Page quality

Content
(Critically important)
There are only 321 words on this page. Good pages should have about 1,000 words of useful content.
29% of the text are stop words.
The page contains a listing, which indicates a good text layout.
7 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 20 words is good.
Frames
(Critically important)
This website does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
This website loads 9 javascript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1.0" is provided.
Bold and strong tags
(Somewhat important)
Empty bold or strong tags were found on this page.
Image SEO
(Somewhat important)
71 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
/images/logo_small.pngNo alt attribute provided
/images/centoslogo-32.png...
/images/centoslogo-32.png...
/images/sponsors/redstation.pngNo alt attribute provided
/images/sponsors/exabytes.pngNo alt attribute provided
...sponsors/N4_logo_colour-banner-small.jpgNo alt attribute provided
/images/sponsors/miva.pngNo alt attribute provided
/images/sponsors/serverel.pngNo alt attribute provided
/images/sponsors/am-logo.pngNo alt attribute provided
/images/sponsors/trabia.pngNo alt attribute provided
/images/sponsors/servermania.gifNo alt attribute provided
/images/sponsors/leaseweb.pngNo alt attribute provided
/images/sponsors/ch-center-small.pngNo alt attribute provided
/images/sponsors/psychz-234x60.jpgNo alt attribute provided
/images/sponsors/baseip_240x60.jpgNo alt attribute provided
/images/sponsors/ad_lfcpxen_240x60.pngNo alt attribute provided
...sponsors/HostDime_Logo_Slogan_300_71.pngNo alt attribute provided
/images/sponsors/cologuard.pngNo alt attribute provided
/images/sponsors/globotech.pngNo alt attribute provided
/images/sponsors/voyant.pngNo alt attribute provided
/images/sponsors/vsys.pngNo alt attribute provided
/images/sponsors/cpanel.pngNo alt attribute provided
/images/sponsors/coreix.jpgNo alt attribute provided
/images/sponsors/eStruxture.pngNo alt attribute provided
/images/sponsors/shinjirubanner260x60.gifNo alt attribute provided
/images/sponsors/steadfast.pngNo alt attribute provided
/images/sponsors/centos-serverhub.pngNo alt attribute provided
/images/sponsors/NDCHost.pngNo alt attribute provided
/images/sponsors/dedicatednow.gifNo alt attribute provided
/images/sponsors/host-engine.pngNo alt attribute provided
/images/sponsors/coloau.pngNo alt attribute provided
/images/sponsors/BackupVault.pngNo alt attribute provided
/images/sponsors/dedicatedsolutions.pngNo alt attribute provided
/images/sponsors/liquidweb.pngNo alt attribute provided
/images/sponsors/ptisp.pngNo alt attribute provided
/images/sponsors/scaleway_logo.pngNo alt attribute provided
/images/sponsors/serverpronto_small.gifNo alt attribute provided
/images/sponsors/host-stage.pngNo alt attribute provided
/images/sponsors/PNAP_Banner.gifNo alt attribute provided
/images/sponsors/theplanet.pngNo alt attribute provided
/images/sponsors/dbd_240_60.jpgNo alt attribute provided
/images/sponsors/heficed.pngNo alt attribute provided
/images/sponsors/fasthosts.pngNo alt attribute provided
...ges/sponsors/Banner_Castlegem_240x60.gifNo alt attribute provided
/images/sponsors/45drives.pngNo alt attribute provided
/images/sponsors/packet.pngNo alt attribute provided
/images/sponsors/hostkey_small.gifNo alt attribute provided
/images/sponsors/coloamerica_small.gifNo alt attribute provided
/images/sponsors/pidginhost.pngNo alt attribute provided
/images/sponsors/serverpoint.pngNo alt attribute provided
/images/sponsors/vhostvn.gifNo alt attribute provided
/images/sponsors/constant.pngNo alt attribute provided
/images/sponsors/aws.pngNo alt attribute provided
/images/sponsors/OffshoreServers.pngNo alt attribute provided
/images/sponsors/multacom-240x60.gifNo alt attribute provided
/images/sponsors/codero.pngNo alt attribute provided
/images/sponsors/profvds.pngNo alt attribute provided
/images/sponsors/internetx.gifNo alt attribute provided
/images/sponsors/PSW_Banner_240x60.jpgNo alt attribute provided
/images/sponsors/hostiserver.pngNo alt attribute provided
/images/sponsors/intevation.pngNo alt attribute provided
/images/sponsors/itsyndicate.pngNo alt attribute provided
/images/sponsors/webnx1.pngNo alt attribute provided
/images/sponsors/iomart.pngNo alt attribute provided
/images/sponsors/eukhost.pngNo alt attribute provided
/images/sponsors/wow.234x60.gifNo alt attribute provided
/images/sponsors/nexcess.pngNo alt attribute provided
/images/sponsors/tailoredservers.pngNo alt attribute provided
/images/sponsors/whitelabelitsolutions.gifNo alt attribute provided
/images/sponsors/cdn77.pngNo alt attribute provided
/images/sponsors/hostdime_br_small.jpgNo alt attribute provided
/images/sponsors/seedvps.pngNo alt attribute provided
/images/sponsors/OffshoreVPS.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)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 The CentOS Project
H2 Around CentOS
H2 News & Events
H2 Sponsorship
H4 DevConf.US and Dojo
H4 Welcome to our new board members!
The amount of internal links is ok.
Every linktext is unique.
None of the anchor texts is too long.
All internal links don't have dynamic parameters.
There are too many external links (93) on this page.
LinkAttributesAnchor text
https://www.centos.org/A-TITLE Home
https://www.centos.org/download/Get CentOS
https://www.centos.org/Anchor About
A-TITLE About CentOS
https://www.centos.org/about/About CentOS
https://wiki.centos.org/FAQExternal Subdomain FAQ
https://wiki.centos.org/Specia...External Subdomain About SIGs
https://www.centos.org/variants/CentOS Variants
/about/governance/Governance
https://www.centos.org/Anchor Community
A-TITLE The CentOS Community
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 a Bug
/community/stories/Stories
https://www.centos.org/Anchor Documentation
A-TITLE CentOS Documentation
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
https://www.centos.org/download/Get CentOS Now
https://wiki.centos.org/Manual...External Subdomain CentOS Stream release notes
https://wiki.centos.org/Manual...External Subdomain CentOS linux release notes
https://wiki.centos.org/Manual...External Subdomain CentOS Linux 7
https://wiki.centos.org/Manual...External Subdomain CentOS Linux 6
https://www.facebook.com/group...External No Text
https://twitter.com/centosprojectExternal No Text
https://google.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
http://devconf.us/External DevConf.US
https://wiki.centos.org/Events...External Subdomain CentOS Dojo
https://blog.centos.org/2020/0...External Subdomain More details on the blog
http://www.redstation.com/Nofollow External No Text
http://www.exabytes.com.my/Nofollow External No Text
http://www.node4.co.uk/managed...Nofollow External No Text
https://www.miva.com/Nofollow External No Text
http://www.serverel.com/Nofollow External No Text
http://www.artmotion.eu/Nofollow External No Text
https://www.trabia.com/Nofollow External No Text
http://servermania.com/Nofollow External No Text
http://www.leaseweb.com/Nofollow External No Text
http://www.ch-center.com/Nofollow External No Text
http://www.psychz.net/Nofollow External No Text
http://www.baseip.com/Nofollow External No Text
http://www.xenproject.org/Nofollow External No Text
http://www.hostdime.com/Nofollow External No Text
http://www.colocationguard.com/Nofollow External No Text
http://www.globo.tech/Nofollow External Subdomain No Text
http://www.voyant.com/Nofollow External No Text
https://vsys.host/Nofollow External Subdomain No Text
http://www.cpanel.com/Nofollow External No Text
https://www.coreix.net/Nofollow External No Text
https://www.estruxture.com/Nofollow External No Text
http://shinjiru.com/Nofollow External No Text
http://steadfast.net/Nofollow External No Text
http://www.serverhub.com/Nofollow External No Text
https://www.ndchost.com/Nofollow External No Text
http://www.dedicatednow.com/Nofollow External No Text
http://host-engine.com/Nofollow External No Text
http://coloau.com.au/Nofollow External No Text
https://www.backupvault.co.uk/Nofollow External No Text
https://www.dedicatedsolutions...Nofollow External No Text
http://www.liquidweb.com/Nofollow External No Text
http://www.ptisp.pt/Nofollow External No Text
http://www.scaleway.com/Nofollow External No Text
http://www.serverpronto.com/Nofollow External No Text
http://www.host-stage.net/Nofollow External No Text
http://www.securedservers.com/...Nofollow External No Text
http://www.theplanet.com/dedic...Nofollow External No Text
http://www.databasebydesignllc...Nofollow External No Text
http://www.heficed.com/Nofollow External No Text
https://www.fasthosts.co.uk/Nofollow External No Text
http://www.castlegem.co.uk/Nofollow External No Text
http://www.45drives.com/Nofollow External No Text
https://www.packet.com/Nofollow External No Text
http://www.hostkey.com/Nofollow External No Text
http://www.colocationamerica.c...Nofollow External No Text
http://www.pidginhost.com/Nofollow External No Text
http://www.serverpoint.com/Nofollow External No Text
http://vhost.vn/Nofollow External No Text
http://www.constant.com/Nofollow External No Text
https://aws.amazon.com/Nofollow External Subdomain No Text
https://www.pirateshosting.net/Nofollow External No Text
http://www.multacom.com/Nofollow External No Text
http://www.codero.com/Nofollow External No Text
http://www.profvds.com/Nofollow External No Text
http://www.internetx.com/Nofollow External No Text
http://www.psw.net/Nofollow External No Text
https://www.hostiserver.com/Nofollow External No Text
http://www.intevation.de/Nofollow External No Text
https://itsyndicate.org/Nofollow External No Text
http://www.webnx.com/Nofollow External No Text
https://www.iomart.com/Nofollow External No Text
http://www.eukhost.com/Nofollow External No Text
http://www.wowrack.com/Nofollow External No Text
http://www.nexcess.net/Nofollow External No Text
http://www.tailoredservers.com/Nofollow External No Text
http://whitelabelitsolutions.com/Nofollow External No Text
http://www.cdn77.com/Nofollow External No Text
http://www.hostdime.com.br/Nofollow External No Text
https://www.seedvps.com/Nofollow External No Text
https://libertyvps.net/Nofollow External No Text
https://www.centos.org/sponsors/If you value our work, please consider becoming a sponsor!
https://www.centos.org/legal/Legal
/legal/privacy/Privacy

Server configuration

HTTP redirects
(Critically important)
This website 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 website loads 5 CSS files. This may affect the page load time negatively.
This website loads 9 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 (21 kB).

HTTP Response Header

NameValue
dateMon, 22 Jun 2020 02:20:00 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-modifiedWed, 03 Jun 2020 20:40:45 GMT
etag"5245-5a7340ada72df"
accept-rangesbytes
content-length21061
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 website is referenced by wikipedia.
This website has excellent links from other websites.
This website has backlinks from 49,054 referring domains.
This website has 16,093,245 backlinks.
This website has backlinks from 33,208 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

No valid Robots.txt file was found.

Facebook popularity

Shares / Likes / Comments
1,399

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

Search preview

CentOS Project
https://www.centos.org/

Most important keywords

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

KeywordResultRecheck
CentOS75%Check
CentOS Project66%Check
Project54%Check
CentOS Stream50%Check
Get CentOS50%Check
CentOS Linux50%Check
CentOS Stream is41%Check
new30%Check

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