All Web Images Videos News
Settings
Appearance
Site Icons
Font Size
Font
General
Infinite Scroll
Open Links in a New Tab
Safe Search
Search Engine Optimization Overview
80
100
Debian -- The Universal Operating System
Debian is an operating system and a distribution of Free Software. It is maintained and updated through the work of many users who volunteer their time and effort.
https://www.debian.org/
2 high issues
6.1%
3 medium issues
9.1%
5 low issues
15.2%
23 tests passed
69.7%
0.13 seconds
4.05 kB
19 resources
Secure
Seo
Title
The title tag is perfect.
Debian -- The Universal Operating System
Meta description
The meta description tag is good.
Debian is an operating system and a distribution of Free Software. It is maintained and updated through the work of many users who volunteer their time and effort.
Headings
Only one h1 tag should be present on the webpage.
  1. Debian
  2. The Community
  3. The Operating System
  4. Project News
  1. Debian is a Community of People!
  2. People
  3. Our Philosophy
  4. Get Involved, Contribute
  5. More...
  6. Debian is a complete Free Operating System!
  7. Why Debian
  8. User Support
  9. Security Updates
  10. More...
  11. News and Announcements about Debian
  1. DC22 Group Photo
  2. Mini DebConf Regensburg 2021
  3. Screenshot Calamares Installer
  4. Debian is like a Swiss Army Knife
  5. People have fun with Debian
Content keywords
The content has relevant keywords.
debiantheoperatingsystem
Image keywords
There are 8 images with missing alt attributes.
  1. https://www.debian.org/Pics/users.svg
  2. https://www.debian.org/Pics/heartbeat.svg
  3. https://www.debian.org/Pics/user-plus.svg
  4. https://www.debian.org/Pics/list.svg
  5. https://www.debian.org/Pics/trophy.svg
  6. https://www.debian.org/Pics/life-ring.svg
  7. https://www.debian.org/Pics/security.svg
  8. https://www.debian.org/Pics/list.svg
SEO friendly URL
The URL is SEO friendly.
https://www.debian.org/
404 page
The website has 404 error pages.
https://www.debian.org/404-f8c3ec795d63eacc350723586dfdf0b7
Robots.txt
The webpage can be accessed by search engines.
Noindex
The webpage does not have a noindex tag set.
In-page links
The number of links on the webpage is okay.
Language
The webpage has the language declared.
en
Favicon
The webpage has a favicon.
https://www.debian.org/favicon.ico
Performance
Text compression
The HTML file is compressed.
Load time
The webpage loaded in 0.13 seconds.
Page size
The size of the HTML webpage is 4,053.00.
HTTP requests
There are fewer than 19 HTTP requests on the webpage.
  1. https://www.debian.org/./debhome.css
  2. https://www.debian.org/./startpage.css
  3. https://www.debian.org/./5img-carousel-slider.css
  4. https://www.debian.org/./debian-en.css
  1. https://www.debian.org/./Pics/openlogo-50.png
  2. https://www.debian.org/Pics/debconf22_group_photo.jpg
  3. https://www.debian.org/Pics//mini-dc21-regensburg.jpg
  4. https://www.debian.org/Pics/calamares-bullseye.png
  5. https://www.debian.org/Pics/debian-swiss-knife-hands-1024x576.jpg
  6. https://www.debian.org/Pics/debian-funny-people-1024x576.jpg
  7. https://www.debian.org/Pics/users.svg
  8. https://www.debian.org/Pics/heartbeat.svg
  9. https://www.debian.org/Pics/user-plus.svg
  10. https://www.debian.org/Pics/list.svg
  11. https://www.debian.org/Pics/debian-logo-1024x576.png
  12. https://www.debian.org/Pics/trophy.svg
  13. https://www.debian.org/Pics/life-ring.svg
  14. https://www.debian.org/Pics/security.svg
  15. https://www.debian.org/Pics/list.svg
Image format
There are 7 images that are not using the AVIF, WebP format.
  1. https://www.debian.org/./Pics/openlogo-50.png
  2. https://www.debian.org/Pics/debconf22_group_photo.jpg
  3. https://www.debian.org/Pics//mini-dc21-regensburg.jpg
  4. https://www.debian.org/Pics/calamares-bullseye.png
  5. https://www.debian.org/Pics/debian-swiss-knife-hands-1024x576.jpg
  6. https://www.debian.org/Pics/debian-funny-people-1024x576.jpg
  7. https://www.debian.org/Pics/debian-logo-1024x576.png
JavaScript defer
The javascript resources have the defer attribute set.
DOM size
The DOM size is optimal.
The HTML file has 249 DOM nodes.
Security
HTTPS encryption
The webpage uses HTTPS encryption.
The HTML file has https://www.debian.org/ DOM nodes.
Mixed content
There are no mixed content resources on the webpage.
Server signature
The webpage has a public server signature.
Apache
Unsafe cross-origin links
The webpage does not have unsafe cross-origin links.
Plaintext email
The webpage contains plaintext emails.
  1. webmaster@debian.org
Miscellaneous
Structured data
There are no structured data tags on the webpage.
Meta viewport
The webpage has a meta viewport tag set.
width=device-width
Character set
The webpage has a charset value set.
utf-8
Sitemap
No sitemaps found.
Social
The webpage does not contain any social links.
Content length
The are less than 500 words on the webpage.
The webpage has 254 words.
Text to HTML ratio
The text to HTML ratio is 11%.
Inline CSS
The webpage contains inline CSS code.
  1. text-align: center
  2. text-align: center
  3. text-align: center
  4. float: none
Deprecated HTML
There are no deprecated HTML tags on the webpage.