Cerncourier.com CERN Courier - reporting on international high-energy physics

News and opinion from the world of particle physics: experiments, theory, accelerators, computing and beyond.

Cerncourier.com Overview

CERN Courier is an international journal of high-energy physics and is also an online platform that provides readers with the latest research, news, and developments in high-energy physics. The website is hosted on Google Private Cloud and has a top-level domain .COM.

The website receives a significant amount of traffic, with approximately 51,750 unique users per day, and 310,500 pageviews, which indicates that they have a stable audience of readers that visit the site regularly. Additionally, the website's value is estimated at $447,120 US dollars, indicating that the website is a valuable resource for individuals interested in high-energy physics research.

The homepage of the CERN Courier website is easy to navigate. A user can find all the necessary information about the site, such as the latest news, the upcoming events, and access to the articles. The homepage also features a list of popular articles that are currently trending, making it easier for users to stay up-to-date with the latest developments in high-energy physics.

The website is also family-friendly, with no inappropriate content or language that could offend people of any age.

However, the PageSpeed Insights score is 65, which is considered to be moderately slow. This may make it difficult for users to navigate the website as it could take longer to load pages. Therefore, site administrators can optimize the site's performance by compressing images, increasing server speed, and reducing the number of requests required to load the page.

In conclusion, CERN Courier website is an essential resource for people interested in high-energy physics. The website's layout is easy to navigate, and the content is accessible with no inappropriate language or content. Addressing the PageSpeed Insight score can help the site's performance, making the website more user-friendly.

Cerncourier.com Rank Summary

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0.00sec

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$453,600

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Cerncourier.com Website Safety

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Last Updated: 05/18/2025

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Norton Connect Safe

Last Updated: 03/29/2025

cerncourier.com is safe.

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Google Safe Search

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Google Safe Browsing

Last Updated: 01/09/2019

cerncourier.com is safe.
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Last Updated: 02/28/2021

cerncourier.com is safe.

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Web of Trust

Last Updated: 01/10/2019

cerncourier.com child safety is very good.

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SSL Information

SSL Checker Tool

Domain	cerncourier.com
Issuer Organization	Let's Encrypt
Issuer	R3
Algorithm	RSA-SHA256
Valid form	07/19/2023
Expiration	10/17/2023
Signed	Certificate is not self signed
Additional Domains	cerncourier.com

Cerncourier.com Rank History

Alexa Rank shows how popular cerncourier.com is in comparison with other sites. The most popular site has Alexa Rank equals 1. If cerncourier.com has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to cerncourier.com and pageviews on cerncourier.com over the past 3 months.

Cerncourier.com Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 513

ASN Title: CERN - European Organization for Nuclear Research

Last Update: 04/22/2025

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See http://www.ripe.net/db/support/db-terms-conditions.pdf

% Note: this output has been filtered.
% To receive output for a database update, use the "-B" flag.

% Information related to 'AS513 - AS513'

as-block: AS513 - AS513
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by: RIPE-NCC-HM-MNT
created: 2009-05-29T08:33:22Z
last-modified: 2014-02-24T13:15:12Z
source: RIPE

% Information related to 'AS513'

% Abuse contact for 'AS513' is 'abuse@cern.ch'

aut-num: AS513
as-name: CERN
remarks: #
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remarks: #
export: to AS59 announce
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mp-export: afi ipv6.unicast to AS559 action med=20; announce AS-CERNEXT
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export: to AS3152 announce
export: to AS3303 action med=10; announce
export: to AS3320 action aspath.prepend(AS513); community.={513:3320};announce
export: to AS6509 announce
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export: to AS6772 announce
export: to AS6776 announce
export: to AS6805 announce
export: to AS6830 announce
export: to AS6853 announce
export: to AS8404 announce
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mp-export: afi ipv6.unicast to AS8928 action aspath.prepend(AS513); announce AS-CERNEXT
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export: to AS12620 announce
export: to AS12333 announce
export: to AS12350 announce
export: to AS12399 announce
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export: to AS15169 announce
export: to AS15479 announce
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export: to AS20634 announce
export: to AS20932 announce
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export: to AS21449 announce
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export: to AS28810 announce {0.0.0.0/0}
export: to AS29222 announce
export: to AS30781 announce
export: to AS32361 announce
export: to AS33845 announce
export: to AS34146 announce
export: to AS34288 announce
export: to AS34781 announce
export: to AS43115 announce
export: to AS43142 announce
export: to AS43683 announce
export: to AS48751 announce any
export: to AS57859 announce
export: to AS61339 announce any
export: to AS196690 announce
remarks: #
-----------------------------------------------------
Community Definition
-----------------------------------------------------
513:21357 Prefix to be announced to Akamai
513:57859 Prefix announced to CIXP peers
-----------------------------------------------------
remarks: #
admin-c: CERN513
tech-c: CERN513
status: LEGACY
mnt-by: RIPE-NCC-LEGACY-MNT
org: ORG-CEOf1-RIPE
mnt-by: CERN-MNT
created: 2001-10-22T15:20:40Z
last-modified: 2016-04-14T10:45:23Z
source: RIPE # Filtered

organisation: ORG-CEOf1-RIPE
org-name: CERN - European Organization for Nuclear Research
org-type: LIR
address: CERN
address: CH-1211
address: Geneva 23
address: SWITZERLAND
phone: +41 22 76 74417
fax-no: +41 22 76 77155
admin-c: EM1969
admin-c: DGR6-RIPE
tech-c: CERN513
abuse-c: CERN513
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: CERN-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: CERN-MNT
created: 2004-04-17T11:02:00Z
last-modified: 2016-06-22T07:43:07Z
source: RIPE # Filtered

role: CERN NOC
address: CERN - European Organization for Nuclear Research
address: Network Operation Center
address: IT Department - CS group
address: CH-1211 Geneva 23 - Switzerland
phone: +41227675011
fax-no: +41227677155
remarks: trouble: ------------------------------------------
remarks: trouble: Operational issues:
remarks: trouble: Peering issues:
remarks: trouble: CIXP issues:
remarks: trouble: Abuse and SPAM:
remarks: trouble: ------------------------------------------
admin-c: EM1969
admin-c: JS16747-RIPE
tech-c: EM1969
tech-c: DGR6-RIPE
nic-hdl: CERN513
mnt-by: CERN-MNT
abuse-mailbox: abuse@cern.ch
created: 2015-04-14T08:36:32Z
last-modified: 2016-06-22T07:07:39Z
source: RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.91.2 (BLAARKOP)

Cerncourier.com Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: CERNCOURIER.COM
Registry Domain ID: 1915952_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.corporatedomains.com
Registrar URL: http://cscdbs.com
Updated Date: 2024-09-27T10:27:19Z
Creation Date: 1998-09-04T04:00:00Z
Registry Expiry Date: 2025-09-03T04:00:00Z
Registrar: CSC Corporate Domains, Inc.
Registrar IANA ID: 299
Registrar Abuse Contact Email: domainabuse@cscglobal.com
Registrar Abuse Contact Phone: 8887802723
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS-1122.AWSDNS-12.ORG
Name Server: NS-1782.AWSDNS-30.CO.UK
Name Server: NS-429.AWSDNS-53.COM
Name Server: NS-831.AWSDNS-39.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-10-22T18:29:19Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
cerncourier.com	137.138.226.190	300

Host	MX Record	Priority	TTL

Host	NS Record	TTL
cerncourier.com	ext-dns-2.cern.ch	300
cerncourier.com	ext-dns-1.cern.ch	300

Host	TXT Record	TTL

ext-dns-1.cern.ch
TTL: 300
Email address: external-dns.cern.ch
Serial: 2024112101
Refresh: 43200
Retry: 10800
Expire: 604800
Minimum: 43200

Cerncourier.com HTML Check

HTML Validation Tool

Errors

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An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

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The “font” element is obsolete. Use CSS instead.

Duplicate ID “videos”.

Warnings

The “language” attribute on the “script” element is obsolete. You can safely omit it.

The first occurrence of ID “videos” was here.

Cerncourier.com Desktop Performance

Last tested: 07/02/2018

Desktop Speed

65%

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Desktop Resource Breakdown

Total Resources	54
Number of Hosts	5
Static Resources	47
JavaScript Resources	22
CSS Resources	11

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