Kernel.org - SEO Checker

Overview of the SEO Check
Meta information
80% 
Page quality
39% 
Page structure
100% 
Link structure
72% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.04 s
File size
16.40 kB
Words
167
Media files
8
Number of links
12 internal / 77 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
The Linux Kernel Archives
The length of the page title is perfect. (237 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)
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 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
langen
charsetutf-8

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Page quality

Content
(Critically important)
There are only 167 words on this page. Use at least 250 words to provide useful information.
Words from the H1 heading are not used in the page content.
No paragraphs were detected.
6% 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.
No placeholders texts or images were found.
Frames
(Critically important)
This website does not use a frameset.
Mobile optimization
(Somewhat important)
No viewpoint tag is provided.
No Apple touch icon is specified.
This website does not require any javascript files.
Bold and strong tags
(Somewhat important)
The amount of tags is very high (10). We recommend using a maximum of 6 tags for this page.
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.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Page structure

H1 heading
(Critically important)
The Linux Kernel Archives
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 The Linux Kernel Archives
H2 Other resources
H2 Social
Anchor text is an URL
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 (77) on this page.
LinkAttributesAnchor text
https://www.kernel.org/The Linux Kernel Archives
/category/about.htmlAbout
/category/contact-us.htmlContact us
/category/faq.htmlFAQ
/category/releases.htmlReleases
/category/signatures.htmlSignatures
/category/site-news.htmlSite news
https://www.ietf.org/rfc/rfc26...External HTTP
https://www.kernel.org/pub/URL anchor text
https://www.kernel.org/pub/
https://git-scm.com/External GIT
https://git.kernel.org/External Subdomain URL anchor text
https://git.kernel.org/
https://rsync.samba.org/External Subdomain RSYNC
https://cdn.kernel.org/pub/lin...External Subdomain 5.7.9
https://cdn.kernel.org/pub/lin...External Subdomain IMG-ALT Download
https://git.kernel.org/torvald...External Subdomain tarball
A-TITLE Download complete tarball
https://git.kernel.org/torvald...External Subdomain patch
A-TITLE Download patch to previous mainline
https://git.kernel.org/torvald...External Subdomain inc. patch
A-TITLE Download incremental patch
https://git.kernel.org/torvald...External Subdomain view diff
A-TITLE View diff in cgit
https://git.kernel.org/torvald...External Subdomain browse
A-TITLE Browse the git tree using cgit
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate tarball
A-TITLE Download complete tarball
https://cdn.kernel.org/pub/lin...External Subdomain pgp
A-TITLE Download PGP verification signature
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate patch
A-TITLE Download patch to previous mainline
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate inc. patch
A-TITLE Download incremental patch
https://git.kernel.org/stable/...External Subdomain Text duplicate view diff
A-TITLE View diff in cgit
https://git.kernel.org/stable/...External Subdomain Text duplicate browse
A-TITLE Browse the git tree using cgit
https://cdn.kernel.org/pub/lin...External Subdomain changelog
A-TITLE View detailed change logs
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate tarball
A-TITLE Download complete tarball
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate pgp
A-TITLE Download PGP verification signature
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate patch
A-TITLE Download patch to previous mainline
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate inc. patch
A-TITLE Download incremental patch
https://git.kernel.org/stable/...External Subdomain Text duplicate view diff
A-TITLE View diff in cgit
https://git.kernel.org/stable/...External Subdomain Text duplicate browse
A-TITLE Browse the git tree using cgit
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate changelog
A-TITLE View detailed change logs
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate tarball
A-TITLE Download complete tarball
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate pgp
A-TITLE Download PGP verification signature
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate patch
A-TITLE Download patch to previous mainline
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate inc. patch
A-TITLE Download incremental patch
https://git.kernel.org/stable/...External Subdomain Text duplicate view diff
A-TITLE View diff in cgit
https://git.kernel.org/stable/...External Subdomain Text duplicate browse
A-TITLE Browse the git tree using cgit
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate changelog
A-TITLE View detailed change logs
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate tarball
A-TITLE Download complete tarball
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate pgp
A-TITLE Download PGP verification signature
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate patch
A-TITLE Download patch to previous mainline
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate inc. patch
A-TITLE Download incremental patch
https://git.kernel.org/stable/...External Subdomain Text duplicate view diff
A-TITLE View diff in cgit
https://git.kernel.org/stable/...External Subdomain Text duplicate browse
A-TITLE Browse the git tree using cgit
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate changelog
A-TITLE View detailed change logs
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate tarball
A-TITLE Download complete tarball
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate pgp
A-TITLE Download PGP verification signature
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate patch
A-TITLE Download patch to previous mainline
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate inc. patch
A-TITLE Download incremental patch
https://git.kernel.org/stable/...External Subdomain Text duplicate view diff
A-TITLE View diff in cgit
https://git.kernel.org/stable/...External Subdomain Text duplicate browse
A-TITLE Browse the git tree using cgit
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate changelog
A-TITLE View detailed change logs
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate tarball
A-TITLE Download complete tarball
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate pgp
A-TITLE Download PGP verification signature
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate patch
A-TITLE Download patch to previous mainline
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate inc. patch
A-TITLE Download incremental patch
https://git.kernel.org/stable/...External Subdomain Text duplicate view diff
A-TITLE View diff in cgit
https://git.kernel.org/stable/...External Subdomain Text duplicate browse
A-TITLE Browse the git tree using cgit
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate changelog
A-TITLE View detailed change logs
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate tarball
A-TITLE Download complete tarball
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate pgp
A-TITLE Download PGP verification signature
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate patch
A-TITLE Download patch to previous mainline
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate inc. patch
A-TITLE Download incremental patch
https://git.kernel.org/stable/...External Subdomain Text duplicate view diff
A-TITLE View diff in cgit
https://git.kernel.org/stable/...External Subdomain Text duplicate browse
A-TITLE Browse the git tree using cgit
https://cdn.kernel.org/pub/lin...External Subdomain Text duplicate changelog
A-TITLE View detailed change logs
https://git.kernel.org/next/li...External Subdomain Text duplicate browse
A-TITLE Browse the git tree using cgit
https://git.kernel.org/External Subdomain Cgit
/doc/html/latest/Documentation
https://www.wiki.kernel.org/External Subdomain Wikis
https://bugzilla.kernel.org/External Subdomain Bugzilla
https://patchwork.kernel.org/External Subdomain Patchwork
http://vger.kernel.org/External Subdomain Kernel Mailing Lists
https://mirrors.kernel.org/External Subdomain Mirrors
https://www.linux.com/External Linux.com
http://www.linuxfoundation.org/External Linux Foundation
/feeds/all.atom.xmlSite Atom feed
/feeds/kdist.xmlReleases Atom Feed
http://planet.kernel.org/External Subdomain Kernel Planet
/nonprofit.html501(c)3 nonprofit corporation
https://www.redhat.com/External IMG-ALT Red Hat
https://www.packet.com/External IMG-ALT Packet
https://www.fastly.com/External IMG-ALT Fastly
https://www.google.com/External IMG-ALT Google
https://www.constellix.com/External IMG-ALT Constellix
https://www.purestorage.com/External IMG-ALT PureStorage
https://www.linuxfoundation.org/External IMG-ALT The Linux Foundation

Server configuration

HTTP redirects
(Critically important)
This website redirects to "https://www.kernel.org/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This website uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.04 seconds.
This website only loads 1 CSS files. That's ok.
This website does not require any javascript files.
The file size of the HTML document is fine (16 kB).

HTTP Response Header

NameValue
servernginx
dateSun, 19 Jul 2020 16:48:06 GMT
content-typetext/html
last-modifiedFri, 17 Jul 2020 11:40:28 GMT
transfer-encodingchunked
connectionkeep-alive
varyAccept-Encoding
x-frame-optionsDENY
x-content-type-optionsnosniff
strict-transport-securitymax-age=15768001
referrer-policysame-origin
content-security-policydefault-src 'self'; img-src https: data:
content-encodinggzip
statuscode200
http_versionHTTP/1.1

External factors

Blacklists
(Critically important)
This website is not classified "for adult only".
Shallalist classifies this website as Updatesites. This classification is fine.
This website is referenced by wikipedia.
This website has excellent links from other websites.
This website has backlinks from 100,424 referring domains.
This website has 13,385,721 backlinks.
This website has backlinks from 59,392 different ip addresses.
Facebook popularity
(Somewhat important)
This website is not very popular 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
0

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

Search preview

Most important keywords

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

KeywordResultRecheck
Kernel73%Check
Linux Kernel69%Check
Linux Kernel Archives66%Check
Archives62%Check
org46%Check
Latest39%Check
EOL39%Check
Release39%Check
next-2020071739%Check
Foundation38%Check

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