WWW.GNU.ORG Website Review

Pages Indexed

Bing:
Google:

Page Information

Title:
The GNU Operating System and the Free Software Movement
Length: 55 character(s); Best length: 10 ~ 60 character(s)
Meta description:
Since 1983, developing the free Unix style operating system GNU, so that computer users can have the freedom to share and improve the software they use.
Length: 152 character(s); Best length: 50 ~ 160 character(s)
Meta keywords:
GNU, FSF, Free Software Foundation, Linux, Emacs, GCC, Unix, Free Software, Libre Software, Operating System, GNU Kernel, GNU Hurd
Length: 130 character(s); Best length: 10 ~ 255 character(s)
H1 Tag:
Length: 0 character(s); Best length: 10 ~ 255 character(s)

Your page does not include an H1 tag.

The H1 tag in HTML is the main headline users see first when a page loads. It conveys the page's topic, enticing visitors to read further. H1 tags are crucial for SEO, user experience, and accessibility. They distinguish the main title on a webpage, aiding search engines and users in understanding the content.

Here are best practices for H1 tags

  • Use H1 tags for page titles.
  • Limit to one H1 tag per page.
  • Keep H1 tags short and concise.
  • Structure headings hierarchically.
  • Include your main keyword.
  • Ensure H1 tags are engaging.

Site Technology

Server:
Apache
SSL Secure:
Available
robots.txt:
Unavailable
XML Sitemap:
Unavailable
Gzip Compress:
Available
favicon.ico:
Unavailable

HTTP Header Analysis

HTTP header fields are components of the message header of requests and responses in the Hypertext Transfer Protocol (HTTP). They define the operating parameters of an HTTP transaction. The header fields are not directly displayed by normal web browsers like Internet Explorer, Google Chrome, Firefox etc. Below is the HTTP Header information of www.gnu.org:
HTTP/1.1 200 OK
Date: Wed, 30 Jul 2025 00:07:24 GMT
Server: Apache
Content-Location: home.html
Vary: negotiate,accept-language,Accept-Encoding
TCN: choice
Strict-Transport-Security: max-age=63072000
X-Frame-Options: sameorigin
X-Content-Type-Options: nosniff
Access-Control-Allow-Origin: (null)
Accept-Ranges: bytes
Cache-Control: max-age=0
Expires: Wed, 30 Jul 2025 00:07:24 GMT
Content-Encoding: gzip
Content-Length: 10449
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Content-Type: text/html
Content-Language: en

DNS Record Analysis

Domain Name Systes (DNS) translates easily memorized domain names to the numerical IP addresses needed for the purpose of locating computer services and devices worldwide. There are total 8 DNS record(s) of gnu.org.
Host Type IP/Target TTL Extra Infomation
gnu.orgA1553
gnu.orgNS843
gnu.orgNS843
gnu.orgNS843
gnu.orgSOA1800expire: 1209600
serial: 2025072205
gnu.orgMX1800pri: 10
gnu.orgTXT
v=spf1 ip4:209.51.188.0/24 ip4:74.94.156.208/28 ip6:2001:470:142::/48 ip6:2603:3005:71a:2e00::/64 ~all
1800
gnu.orgAAAA
2001:470:142:5::116
1477