root.cern
Registered
Page analyze update date:
2026/03/31 04:11:38
Last whois update date:
2026/03/14 08:00:10
Domain Status
Registered
Paid till
16.02.2027
Available from
18.03.2027
×
![Fullscreen website screenshot]()
root.cern Website screenshot
SEO Score
66.44%
97
Score achieved
146
Maximum score
Main Information
Title: ROOT: analyzing petabytes of data, scientifically. - ROOT
Description: An open-source data analysis framework used by high energy physics and others.
Keywords: empty
Page Encoding:
utf-8
Body and server charset are different!
Page Filesize: 40 KB
Server Information
IP: 137.138.6.72
Location: Switzerland,CH,Geneva,1200,46.2052,6.142,Europe/Zurich
Http Server: apache
Meta Tags List
- charset: utf-8
- name: description content: An open-source data analysis framework used by high energy physics and others.
- name: author content: ROOT team
- property: og:type content: website
- property: og:locale content: en_US
- property: og:site_name content: ROOT
- property: og:title content: ROOT: analyzing petabytes of data, scientifically.
- property: og:url content: https://root.cern/
- property: og:description content: An open-source data analysis framework used by high energy physics and others.
- property: og:image content: https://root.cern/assets/images/ROOT-image-share.png
- name: twitter:site content: @ROOT_Project
- name: twitter:title content: ROOT: analyzing petabytes of data, scientifically.
- name: twitter:description content: An open-source data analysis framework used by high energy physics and others.
- name: twitter:url content: https://root.cern/
- name: twitter:card content: summary_large_image
- name: twitter:image content: https://root.cern/assets/images/ROOT-image-share.png
- name: viewport content: width=device-width, initial-scale=1.0
- name: referrer content: strict-origin
- itemprop: headline content: ROOT: analyzing petabytes of data, scientifically.
- itemprop: description content: An open-source data analysis framework used by high energy physics and others.
Internal Links
External Links
Whois Information
domain_name: root.cern
update_date: 2026-02-17T06:10:57.847Z
update_time: 1771308657
creation_date: 2016-02-16T13:36:34.247Z
creation_time: 1455629794
expiration_date: 2027-02-16T13:36:34.247Z
Whois Raw Data
Domain Name: ROOT.CERN
Registrar: CSC Corporate Domains, Inc.
Domain Status: client transfer prohibited
Registry Expiry Date: 2027-02-16T13:36:34.247Z
Creation Date: 2016-02-16T13:36:34.247Z
Updated Date: 2026-02-17T06:10:57.847Z
Name Server: EXT-DNS-1.CERN.CH
Name Server: EXT-DNS-2.CERN.CH
REGISTRAR Contact: CSC Corporate Domains, Inc.
>>> Last update of RDAP database: 2026-03-14T08:00:10Z
Robots.txt
Sitemap: https://root.cern/sitemap.xml
SEO Audit
Technical SEO
✓
Response Code
200
Status 200 OK - page loads correctly.
!
Character Encoding
Page: utf-8, Header:
Character encoding mismatch between HTML and HTTP headers.
✓
Page Size
41158 bytes
Page size acceptable for fast loading.
✓
Resources
32 total
Moderate number of resources. Consider combining files.
✓
Hreflang Tags
0 hreflang tags
Add hreflang tags if you have multilingual content.
✓
Robots.txt
Exists
Robots.txt file found.
✓
Sitemap
Declared in robots.txt
Sitemap declared in robots.txt.
✓
HTTPS
Yes
Secure HTTPS connection enabled.
!
Compression
Not detected
Enable gzip or zstd compression to reduce file sizes.
✓
Caching
private
Cache-control headers properly set.
✓
Page Speed
4.56 ms
Excellent loading speed.
On-Page SEO
✓
Title
ROOT: analyzing petabytes of data, scientifically. - ROOT
Good title length (30-60 characters).
!
Meta Description
An open-source data analysis framework used by high energy physics and others. Lenght:78
Meta description too short. Expand to 100-160 characters.
!
H1 Heading
3 found - "ROOT: analyzing petabytes of data, scientifically."
Use only one H1 heading per page. Remove extra H1 tags.
!
Word Count
209
Content very short. Aim for at least 500 words for better SEO.
!
Canonical Tag
Add canonical tag to prevent duplicate content issues.
✓
Duplicate Meta
[]
No duplicate meta tags found.
✓
Keywords
empty
Meta keywords set (note: not used by major search engines).
Content and UX
✓
Language
en
Language attribute properly set.
!
Images
19 total, 17 missing ALT
Add ALT text to images for accessibility and SEO.
✓
Viewport
width=device-width, initial-scale=1.0
Viewport meta tag properly set for mobile devices.
✓
Open Graph
All OG tags present.
All essential OpenGraph tags present.
✓
Structured Data
1 JSON-LD scripts
Structured data (JSON-LD) found.
Positions in Google
Search Phrases - Google
| Position | Phrase | Page | Snippet |
|---|---|---|---|
| 4 | /manual/python/ | ||
| 6(-1) | / | ||
| 13 | /cling/ | ||
| 13 | /doc/v636/classtlink.html | ||
| 33 | /install/ |