Root.cern - SEO Checker

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Overview of the SEO Check
Meta information
95% 
Page quality
63% 
Page structure
66% 
Link structure
90% 
Server
84% 
External factors
100% 
SEO Score
Response time
0.12 s
File size
22.50 kB
Words
590
Media files
20
Number of links
38 internal / 19 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
ROOT: analyzing petabytes of data, scientifically. - ROOT
The length of the page title is perfect. (514 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
An open-source data analysis framework used by high energy physics and others.
The length of the meta description is perfect. (506 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://root.cern/
There is a valid canonical link 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.
The character encoding is not specified in the HTTP header.
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
descriptionAn open-source data analysis framework used by high energy physics and others.
authorROOT team
viewportwidth=device-width, initial-scale=1.0
referrerstrict-origin
langen
twitter:site@ROOT_Project
twitter:titleROOT: analyzing petabytes of data, scientifically.
twitter:descriptionAn open-source data analysis framework used by high energy physics and others.
twitter:urlhttps://root.cern/
twitter:cardsummary_large_image
twitter:imagehttps://root.cern/assets/images/ROOT-image-share.png
og:typewebsite
og:localeen_US
og:site_nameROOT
og:titleROOT: analyzing petabytes of data, scientifically.
og:urlhttps://root.cern/
og:descriptionAn open-source data analysis framework used by high energy physics and others.
og:imagehttps://root.cern/assets/images/ROOT-image-share.png
charsetutf-8

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
This page contains 590 words. That's ok.
40% 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.
8 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 19.73 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 6 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)
The following tag is repeated too often: more ...
Image SEO
(Somewhat important)
18 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://root.cern/assets/images/logo.pngNo alt attribute provided
https://root.cern/assets/images/start.svgNo alt attribute provided
https://root.cern/assets/images/doc.svgNo alt attribute provided
https://root.cern/assets/images/forum.svgNo alt attribute provided
https://root.cern/assets/images/gallery.svgNo alt attribute provided
/assets/images/histoIcon.svg*.*
https://root.cern/assets/images/code.svg*.*
https://root.cern/assets/images/forum2.svgNo alt attribute provided
https://root.cern/assets/images/bug.svgNo alt attribute provided
https://root.cern/assets/images/mail.svgNo alt attribute provided
https://root.cern/assets/images/Github.svgNo alt attribute provided
https://root.cern/assets/images/feed.svgNo alt attribute provided
https://root.cern/assets/images/twitter.svgNo alt attribute provided
/assets/images/cern-logo-large.pngNo alt attribute provided
https://root.cern/assets/images/eu.jpgNo alt attribute provided
/assets/images/FNAL-logomark.pngNo alt attribute provided
/assets/images/GSI_Logo_rgb.pngNo alt attribute provided
/assets/images/oslo-university.svgNo alt attribute provided
/assets/images/Princeton.pngNo alt attribute provided
/assets/images/UCSanDiegoLogo-Black.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
ROOT: analyzing petabytes of data, scientifically.
Too many H1 headings
Headings
(Important)
Some headings occur twice on the page.

Heading structure

Heading levelContent
H1 ROOT: analyzing petabytes of data, scientifically.
H1 Latest Releases
H2 Skip links
H2 *.*
H2 *.* Duplicate text
H2 $ _
Some anchor texts are used more than once.
4 links don't have an anchor text.
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 19 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://root.cern/Anchor Skip to primary navigation
https://root.cern/Anchor Skip to content
https://root.cern/Anchor Skip to footer
https://root.cern/No Text
https://root.cern/ROOT Data Analysis Framework
https://root.cern/aboutAbout
A-TITLE About ROOT
https://root.cern/learnLearn
A-TITLE How to learn ROOT
https://root.cern/installInstall
A-TITLE All you need to download and install ROOT
https://root-forum.cern.ch/New window External Subdomain Forum & Help
A-TITLE Ask questions about ROOT
https://root.cern/manualManual
A-TITLE High level ROOT manual
https://root.cern/blogBlog Posts
A-TITLE Latest ROOT blog posts
https://root.cern/contributeContribute
A-TITLE Contribute to ROOT!
https://root.cern/for_developersFor Developers
A-TITLE Resources for ROOT developers
https://en.wikipedia.org/wiki/...External Subdomain high energy physics
https://root.cern/aboutLearn more
https://root.cern/installInstall v6.32.08
https://root.cern/learnNo Text
https://root.cern/doc/v632No Text
https://root-forum.cern.ch/External Subdomain No Text
https://root.cern/galleryNo Text
https://root.cern/galleryThe Higgs was found with ROOT!
https://root.cern/about/licenseopen source
/install/build_from_sourcemodify it
https://root.cern/contributeits users to contribute to it
https://root.cern/primerincredible C++ interpreter
https://root.cern/manual/python/unique dynamic and powerful Python ⇄ C++ binding
https://nbviewer.jupyter.org/u...External Subdomain using ROOT in a Jupyter notebook
https://root.cern/blog/chep24/ROOT at CHEP 2024
https://indico.cern.ch/event/1...External Subdomain CHEP24 conference
/blog/new-color-schemes/New color schemes
https://arxiv.org/pdf/2107.02270External arXiv:2107.02270v2
https://github.com/mpetroff/ac...External GitHub
/blog/new-student-course/New ROOT student course for self-study
/blog/rntuple-update/RNTuple: Where are we now and what's next?
https://root.cern/Anchor [1]
/blog/web-based-graphics-default/Interactive, web-based canvas is now the default in ROOT
https://root.cern/blogMore ...
/releases/release-63400-rc1/Release 6.34.00-rc1 - 14th of November, 2024
/releases/release-63208/Release 6.32.08 - 14th of November, 2024
/releases/release-63206/Release 6.32.06 - 22nd of September, 2024
/releases/release-63204/Release 6.32.04 - 14th of August, 2024
/releases/release-63202/Release 6.32.02 - 18th of June, 2024
/install/all_releasesText duplicate More ...
https://root-forum.cern.ch/External Subdomain No Text
https://github.com/root-projec...New window External A-TITLE File a bug report
https://github.com/root-projectNew window External No Text
https://root.cern/feed.xmlNo Text
https://twitter.com/ROOT_ProjectExternal No Text
https://cern.ch/External No Text
https://www.europa.eu/External Subdomain No Text
https://fnal.gov/External No Text
https://www.gsi.de/External Subdomain No Text
https://www.uio.no/External Subdomain No Text
https://www.princeton.edu/External Subdomain No Text
https://ucsd.edu/External No Text
https://root.cern/aboutROOT Team
https://github.com/root-projec...External No Text

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://root.cern/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
This page loads 6 JavaScript files. This may affect the load time negatively.
The page response time is excellent with 0.12 seconds.
This page only loads 1 CSS files. That's ok.
The file size of the HTML document is fine (23 kB).

HTTP Response Header

NameValue
dateFri, 15 Nov 2024 19:52:51 GMT
serverApache/2.4.41 (Ubuntu)
x-frame-optionsSAMEORIGIN
accept-rangesbytes
bucketroot
content-typetext/html
etag"f6655bb6fb2e7c321bc729103957b327-gzip"
last-modifiedFri, 15 Nov 2024 14:48:21 GMT
x-amz-request-idtx00000b0bb88cd0d3934ba-006737a693-3b453ea1-default
x-rgw-object-typeNormal
cache-controlmax-age=1800
expiresFri, 15 Nov 2024 20:22:51 GMT
varyAccept-Encoding
content-encodinggzip
content-security-policyframe-ancestors 'self';
strict-transport-securitymax-age=15768000
content-length7218
statuscode200
http_versionHTTP/1.1

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 1,747 referring domains.
This page has 31,440 backlinks.
This page has backlinks from 1,217 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Crawl-delay: 10
Disallow: /cgi-bin/
Disallow: /lxr/
Disallow: /viewcvs/
Disallow: /viewvc/
Disallow: /gitweb
Disallow: /admin/
Disallow: /comment/reply/
Disallow: /node/add/
Disallow: /search/
Disallow: /d/

Similar sites

Search preview

root.cern
ROOT: analyzing petabytes of data, scientifically. - ROOT
An open-source data analysis framework used by high energy physics and others.

Most important keywords

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

KeywordResultRecheck
ROOT78%Check
Data73%Check
analyzing62%Check
petabytes62%Check
analyzing petabytes62%Check
scientifically61%Check
Data Analysis60%Check
ROOT team56%Check
Data Analysis Framework55%Check
open-source data analysis55%Check
Show more keywords and terms

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