Qubes-os.org - SEO Checker

Overview of the SEO Check
Meta information
100% 
Page quality
69% 
Page structure
100% 
Link structure
92% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.16 s
File size
30.20 kB
Words
713
Media files
16
Number of links
82 internal / 21 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Qubes OS: A reasonably secure operating system | Qubes OS
There are word repetitions in the page title.
The length of the page title is perfect. (559 pixels out of 580 max pixel length)
Meta description
(Critically important)
Qubes is a security-oriented, free and open-source operating system for personal computers that allows you to securely compartmentalize your digital life.
The length of the meta description is perfect. (949 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.qubes-os.org/
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 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
descriptionQubes is a security-oriented, free and open-source operating system for personal computers that allows you to securely compartmentalize your digital life.
apple-mobile-web-app-titleQubes OS
application-nameQubes OS
theme-color#ffffff
article:sectionEmpty
langen
twitter:cardsummary_large_image
twitter:site@QubesOS
twitter:titleQubes OS: A reasonably secure operating system
twitter:imagehttps://www.qubes-os.org/attachment/icons/qubes-logo-icon-name-slogan-twitter.png
twitter:descriptionQubes is a security-oriented, free and open-source operating system for personal computers that allows you to securely compartmentalize your digital life.
og:typearticle
og:urlhttps://www.qubes-os.org/
og:titleQubes OS: A reasonably secure operating system
og:descriptionQubes is a security-oriented, free and open-source operating system for personal computers that allows you to securely compartmentalize your digital life.
og:imagehttps://www.qubes-os.org/attachment/icons/qubes-logo-icon-name-slogan-fb.png
og:site_nameQubes OS
X-UA-CompatibleIE=edge
onion-locationhttp://qubesosfasa4zl44o4tws22di6kepyzfeqv3tg4e3ztknltfxqrymdad.onion/
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 713 words. That's ok.
31% 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.
10 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 16.74 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The following tag is repeated too often: qubes
Image SEO
(Somewhat important)
14 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
...t/icons/128x128/apps/qubes-logo-icon.pngQubes OS Project
...ment/site/endorsement-edward-snowden.jpgNo alt attribute provided
/attachment/site/fpf-logo-square.pngNo alt attribute provided
/attachment/site/endorsement-micah-lee.jpgNo alt attribute provided
/attachment/site/lets-encrypt-logo.svgNo alt attribute provided
/attachment/site/motherboard-logo.pngNo alt attribute provided
/attachment/site/the-economist-logo.pngNo alt attribute provided
/attachment/site/wired-magazine-logo.pngNo alt attribute provided
/attachment/site/xen-logo.svgNo alt attribute provided
/attachment/site/OS-logos.svgNo alt attribute provided
/attachment/site/whonix-tor.svgNo alt attribute provided
/attachment/site/nlnet.svgNo alt attribute provided
/attachment/site/OTF-logo.svgNo alt attribute provided
...achment/site/access-innovation-prize.jpgNo alt attribute provided
/attachment/site/partners-shake.svgNo alt attribute provided
/attachment/icons/logo-outline-small.svgQubes

Page structure

H1 heading
(Critically important)
Qubes OS A reasonably secure operating system
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Qubes OS A reasonably secure operating system
H2 What others are saying
H2 Media & Press
H2 News & Announcements
H2 What's Inside of Qubes?
H2 Join the Community!
H3 Secure Compartmentalization
H3 Operating System Freedom
H3 Serious Privacy
H3 Research
H3 Awards & Grants
H4 Search qubes-os.org
H5 Introduction
H5 Downloads
H5 Documentation
H5 News
H5 Team
H5 Donate
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 21 external links on this page.
LinkAttributesAnchor text
https://www.qubes-os.org/Qubes OS
IMG-ALT Qubes OS Project
https://www.qubes-os.org/intro/Introduction
/downloads/Downloads
https://www.qubes-os.org/doc/Documentation
https://www.qubes-os.org/news/News
https://www.qubes-os.org/team/Team
https://www.qubes-os.org/donate/Donate
/downloads/Download & Install Version 4.2.2
https://twitter.com/Snowden/st...New window External No Text
https://twitter.com/Snowden/st...New window External "If you're serious about security, @QubesOS is the best OS available today. It's what I use, and free." Edward Snowden, whistleblower and privacy advocate
/endorsements/More endorsements
https://www.vice.com/en_us/art...New window External Subdomain "The world's most secure operating system assumes you've been owned." by J.M. Porup
https://www.economist.com/babb...New window External Subdomain "For those willing to put in the effort, Qubes is more secure than almost any other operating system available today." by J. M. P.
https://www.wired.com/2014/11/...New window External Subdomain "So Rutkowska flipped the game, this time in favor of the defenders." by Andy Greenberg
https://www.qubes-os.org/news/More Media & Press
/news/2024/08/14/xsas-released...XSAs released on 2024-08-13 Posted in Security on 2024-08-14
/news/2024/08/11/qubes-os-summ...Qubes OS Summit 2024: Tickets now available! Posted in Announcements on 2024-08-11
/news/2024/08/05/qubes-os-summ...Qubes OS Summit 2024: Last call for proposals Posted in Announcements on 2024-08-05 Posted in Talks on 2024-08-05
/news/2024/08/01/extended-secu...Extended security support for Qubes OS 4.1 has ended Posted in Announcements on 2024-08-01 Posted in Releases on 2024-08-01
/news/2024/07/30/qsb-104/QSB-104: GUI-related security bugs Posted in Security on 2024-07-30
/news/2024/07/16/xsas-released...XSAs released on 2024-07-16 Posted in Security on 2024-07-16
/news/2024/07/16/qsb-103/QSB-103: Double unlock in x86 guest IRQ handling (XSA-458) Posted in Security on 2024-07-16
https://www.qubes-os.org/news/More News & Announcements
/doc/architecture/Learn more
/doc/templates/Text duplicate Learn more
https://www.whonix.org/wiki/QubesExternal Subdomain Text duplicate Learn more
/news/2021/07/30/minisummit-ag...Qubes virtual mini-summit 2021 3mdeb and the Qubes team, August 2021
/news/2018/01/22/qubes-air/Qubes Air: Generalizing the Qubes Architecture Joanna Rutkowska, January 2018
/news/2017/10/03/core3/Introducing the Next Generation Qubes Core Stack Joanna Rutkowska, October 2017
/news/2017/06/27/qubes-admin-api/Introducing the Qubes Admin API Joanna Rutkowska, June 2017
https://blog.invisiblethings.o...External Subdomain Thoughts on the "physically secure" ORWL computer Joanna Rutkowska, September 2016
https://blog.invisiblethings.o...External Subdomain Security challenges for the Qubes build process Joanna Rutkowska, May 2016
/research/Read More Research
https://nlnet.nl/New window External 2016
https://www.opentech.fund/proj...New window External Subdomain 2015 and 2016
https://www.accessnow.org/blog...New window External Subdomain 2014 Finalist for Endpoint Security
/partners/We would love for you to fund or partner with us
https://www.qubes-os.org/support/staying safe
https://www.qubes-os.org/support/discussion guidelines
/code-of-conduct/code of conduct
/doc/contributing/seeking to contribute
https://forum.qubes-os.org/External Subdomain Visit the Qubes Forum
https://www.qubes-os.org/intro/Text duplicate Introduction
https://www.qubes-os.org/intro/What is Qubes OS?
/endorsements/Endorsements
/doc/getting-started/Getting started
/video-tours/Video tours
/screenshots/Screenshots
https://www.qubes-os.org/faq/FAQ
https://www.qubes-os.org/support/Help and support
/security/Security center
/doc/architecture/Architecture
/code-of-conduct/Code of conduct
/downloads/Text duplicate Downloads
/doc/system-requirements/System requirements
/doc/certified-hardware/Certified hardware
https://www.qubes-os.org/hcl/Compatibility list
/doc/installation-guide/Installation guide
/security/verifying-signatures/Verifying signatures
/doc/supported-releases/Supported releases
/doc/version-scheme/Version scheme
/doc/source-code/Source code
/doc/license/Software license
/downloads/Download mirrors
https://www.qubes-os.org/doc/Text duplicate Documentation
https://www.qubes-os.org/doc/Text duplicate Introduction
https://www.qubes-os.org/doc/Choosing hardware
https://www.qubes-os.org/doc/Installing and upgrading
https://www.qubes-os.org/doc/How-to guides
https://www.qubes-os.org/doc/Templates
https://www.qubes-os.org/doc/Troubleshooting
https://www.qubes-os.org/doc/Security in Qubes
https://www.qubes-os.org/doc/Project security
https://www.qubes-os.org/doc/Developer docs
https://www.qubes-os.org/doc/External docs
https://www.qubes-os.org/news/Text duplicate News
/news/categories/Announcements
/statistics/Userbase statistics
/research/Research
https://github.com/QubesOSExternal GitHub
https://forum.qubes-os.org/External Subdomain Qubes forum
https://twitter.com/QubesOSExternal Twitter
https://mastodon.social/@QubesOSExternal Mastodon
https://www.reddit.com/r/Qubes/External Subdomain Reddit
https://www.facebook.com/QubesOSExternal Subdomain Facebook
https://www.linkedin.com/compa...External Subdomain LinkedIn
https://www.qubes-os.org/team/Text duplicate Team
/doc/issue-tracking/Report a bug
/security/Report a security Issue
https://www.qubes-os.org/team/Inquiries
https://www.qubes-os.org/team/Core team
https://www.qubes-os.org/team/Emeritus
https://www.qubes-os.org/team/Community contributors
https://www.qubes-os.org/donate/Text duplicate Donate
https://www.qubes-os.org/donate/How to donate
/partners/Qubes Partners
/doc/contributing/How to contribute
https://github.com/QubesOS/qub...External Website source code
http://qubesosfasa4zl44o4tws22...External Tor onion service
https://www.qubes-os.org/privacy/Privacy policy
/doc/issue-tracking/Report a problem
https://www.qubes-os.org/terms/Terms of use
/sitemap.xmlSitemap

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.qubes-os.org/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.16 seconds.
The file size of the HTML document is fine (30 kB).

HTTP Response Header

NameValue
serverGitHub.com
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last-modifiedTue, 20 Aug 2024 02:03:29 GMT
access-control-allow-origin*
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expiresTue, 20 Aug 2024 02:42:31 GMT
cache-controlmax-age=600
content-encodinggzip
x-proxy-cacheMISS
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accept-rangesbytes
age0
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via1.1 varnish
x-served-bycache-fra-eddf8230117-FRA
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statuscode200
http_versionHTTP/2

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 2,923 referring domains.
This page has 195,930 backlinks.
This page has backlinks from 2,321 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Search preview

www.qubes-os.org
Qubes OS: A reasonably secure operating system | Qubes OS
Qubes is a security-oriented, free and open-source operating system for personal computers that allows you to securely compartmentalize your digital life.

Most important keywords

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

KeywordResultRecheck
Qubes97%Check
Qubes OS89%Check
secure77%Check
operating77%Check
Operating System77%Check
secure operating system77%Check
reasonably secure operating system75%Check
Qubes Forum67%Check
reasonably62%Check
free55%Check

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