Home.cern Home | CERN

CERN, the European Organization for Nuclear Research, is one of the world’s largest and most respected centres for scientific research. Its business i...

Home.cern Overview

Home.cern is the official website of CERN, a European organization dedicated to fundamental physics research. The website offers a wealth of information related to CERN's activities, research, projects, and collaborations. The site employs a simple layout with clear navigation to provide users with a seamless browsing experience.

The homepage itself is clean and uncluttered, with a simple design that highlights the organization's most notable accomplishments, current projects, and recent news. The page includes various sections such as News, Events, Discover CERN, and Science & Education, which can be accessed through the main menu.

The site has been structured in such a way as to provide users with a comprehensive understanding of CERN's activities, research findings, and ongoing projects. The main menu consists of intuitive drop-down menus, enabling users to quickly navigate to specific pages within the site. Each page is designed to provide an overview of the specific topic and links to additional resources for those who want to learn more.

The site is fully responsive and designed to be accessed from any device, including smartphones, tablets, and desktop computers. This is an essential feature as it enables users to access the site's content from a range of devices, including on-the-go.

The site's value speaks to the depth of its content and the quality of its presentation. With over 5,430 unique users every day and 8,688 page views, it's evident the number of individuals interested in CERN's research. It's worth noting that the site has been issued an SSL certificate by Sectigo Limited, ensuring that users' data is secured.

The website has a family-friendly design and content, with all the materials appropriate for all ages. The website has made an effort to explain physics research in a simple and understandable manner for people who may not be familiar with scientific terms.

The speed score may not be ideal; however, it is understandable due to the website's nature, which requires a lot of images, media, and extensive data. Nevertheless, optimization and fast loading should always be a priority.

In summary, Home.cern has a well-structured website with a clean layout and easy-to-use navigation. The website is geared towards providing information on fundamental scientific research and discovery, with a design that caters to both experts and laypersons. With its comprehensive content, accessible design, and family-friendly appeal, Home.cern is a valuable resource for anyone interested in physics research and discovery.

Home.cern Rank Summary

Global Rank

78,989

Average Load Time

2.95sec

Links In Count

626

Website Value

$148,920

Audience Geography. Where are home.cern visitors located?

Country	Visitors
Germany DE	18.8%
United States US	13.1%
India IN	9.5%
Pakistan PK	4%
Iran IR	1.2%
Turkey TR	0.9%
Other	52.5%

Country	Pageviews
Germany DE	16.5%
United States US	11.1%
India IN	10.7%
Pakistan PK	2.4%
Iran IR	1.1%
Turkey TR	0.7%
Other	57.6%

Country	Rank
Germany DE	13979
Pakistan PK	24553
India IN	59711
Iran IR	89750
Turkey TR	96668
United States US	98146

Where do visitors go on home.cern?

Subdomain	Pageviews
home.cern	100%

Subdomain	Pageviews per User
home.cern	1.7

Subdomain	Reach
home.cern	100%

How popular is home.cern?

Period	Global Rank	Global Rank Delta
past 3 months	78989	21975
past month	73592	-21984
past week	89830	1596
yesterday	114441	-109046

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	123453	37349	44	-31.92%	1.6	-0.637%
30	114507	-42612	49	50%	1.7	10%
7	146860	1381	39	-0.833%	2	2%
1	174118	-116909	3	100%	1	7%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	68512	18997	10	-31.6%
30	65092	-16518	11	30%
7	79522	2093	92	-2.61%
1	93414	-106295	9	100%

Home.cern Website Safety

Overview

Last Updated: 11/22/2024

Overall result - home.cern is safe.

We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.

Norton Connect Safe

Last Updated: 03/22/2024

home.cern is safe.

Norton ConnectSafe evaluates home.cern for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 08/31/2019

home.cern is safe.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing

Last Updated: 01/09/2019

home.cern is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.

Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

Site Advisor

Last Updated: 02/23/2021

home.cern is safe.

McAfee assesses home.cern for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze home.cern for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/12/2019

home.cern child safety is very good.

The WOT calculates reputation of the home.cern. This reputation system receives ratings from users and information from third-party sources, assesses the home.cern for safety features and confirms, whether home.cern is suitable for children.

SSL Information

SSL Checker Tool

Domain	www.cern.ch
Issuer Organization	Sectigo Limited
Issuer	Sectigo RSA Organization Validation Secure Server CA
Algorithm	RSA-SHA256
Valid form	09/26/2024
Expiration	11/30/2024
Signed	Certificate is not self signed
Additional Domains	www.cern.ch .app.cern.ch .apptest.cern.ch .docs.cern.ch .web.cern.ch *.webtest.cern.ch about.cern accelerating-news.eu acceleratingnews.eu accelerators.cern againstcovid19.cern alice.cern aliceinfo.cern.ch ams02.space antimatter.cern arts.cern at.cern atlas.cern awake.cern beamlineforschools.cern beams.cern belgium.cern bulletinserv.cern.ch careers.cern cern.ch cern.int cern70.cern cernandsocietyfoundation.cern chis.cern cixp.net clear.cern clic.cern cms.cern computing.cern cosmicrays.cern darkmatter.cern dashb-cms-vo-feed.cern.ch education.cern engineering.cern environment.cern espace.cern.ch espace2013.cern.ch europeanstrategy.cern experiments.cern exsp2owa.cern.ch flair.cern fluka.cern giving.cern groups.cern.ch higgsboson.cern home.cern hse.cern ideasquare.cern ifast-project.eu info.cern.ch internationalrelations.cern ippog.org isolde.cern jobs.cern knowledge.cern kt.cern learn.cern lhc.cern library.cern medicis.cern monit.cern.ch news.cern newsroom.cern nic.cern norway.cern open-quantum-institute.cern opendays.cern openlab.cern openscience.cern openshift-dev.cern.ch openshift.cern.ch opensource.cern oqi.cern particles.cern pensionfund.cern.ch physics.cern press.cern pwa.cern.ch quantum.cern quantum.cern.ch science.cern sciencegateway.cern scientific-info.cern search.cern.ch social.cern.ch sparks.cern staff-association.cern standardmodel.cern supersymmetry.cern teachers.cern technology.cern test-home.cern theory.cern united-states.cern ventureconnect.cern visit.cern voisins.cern webfest.cern www.ams02.space www.arts.cern www.atlas.cern www.cern www.cern.int www.cixp.net www.home.cern www.test-home.cern

Home.cern Rank History

Alexa Rank shows how popular home.cern is in comparison with other sites. The most popular site has Alexa Rank equals 1. If home.cern 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 home.cern and pageviews on home.cern over the past 3 months.

Home.cern Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 513

ASN Title: CERN - European Organization for Nuclear Research

Last Update: 03/01/2024

% This is the RIPE Database query service.
% The objects are in RPSL format.
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% 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: #
import: from AS59 action med=30; pref=535; accept
import: from AS293 action pref=535; accept ANY
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import: from AS559 at 192.65.184.209 action med=40; pref=535; accept community(20965:11537) or community(20965:293) or community(20965:6509)
import: from AS559 at 192.65.184.209 action med=20; pref=535; accept any
import: from AS559 at 192.65.184.222 action med=40; pref=535; accept community(20965:11537) or community(20965:293) or community(20965:6509)
import: from AS559 at 192.65.184.222 action med=20; pref=535; accept any
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import: from AS559 at 192.65.184.174 action med=25; pref=535; accept ANY
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import: from AS559 at 192.65.184.70 action med=25; pref=535; accept ANY
import: from AS1297 action med=30; pref=535; accept ANY
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import: from AS2686 action med=10; pref=535; community.={513:21357}; accept
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import: from AS6509 action med=30; pref=535; accept ANY
import: from AS6730 at 192.65.185.3 action med=10; pref=535; accept
import: from AS6730 at 195.141.200.17 action community.={513:6730}; aspath.prepend(AS6730); med=30; pref=1535; accept ANY
import: from AS6772 action med=10; pref=535; accept
import: from AS6776 action med=10; pref=535; accept
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import: from AS8404 action med=10; pref=535; community.={513:21357}; accept
import: from AS8674 action med=10; pref=535; accept
import: from AS8928 action aspath.prepend(AS8928); med=30; pref=1535; accept ANY
mp-import: afi ipv6.unicast from AS8928 action aspath.prepend(AS8928); med=30; pref=1535; accept ANY
import: from AS9264 action med=30; pref=535; accept ANY
import: from AS10764 action med=30; pref=535; accept ANY
import: from AS11537 action aspath.prepend(AS11537); med=30; pref=535; accept ANY
import: from AS12333 action med=10; pref=535; community.={513:21357}; accept
import: from AS12350 action med=10; pref=535; community.={513:21357}; accept
import: from AS12399 action med=10; pref=535; accept
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import: from AS13030 action med=10; pref=535; accept
import: from AS15169 action med=10; pref=535; accept any # accept
import: from AS15479 action med=10; pref=535; community.={513:21357}; accept
import: from AS17579 at 134.75.108.58 action med=30; pref=535; accept ANY
import: from AS17579 at 192.16.155.29 action med=10; pref=535; accept
import: from AS20634 action med=10; pref=535; accept
import: from AS20932 action med=10; pref=535; community.={513:21357}; accept
import: from AS21357 accept not any
import: from AS21449 action med=10; pref=535; community.={513:21357}; accept
import: from AS22335 action aspath.prepend(AS22335); med=30; pref=535; accept ANY
import: from AS24167 at 117.103.111.173 action med=35; pref=1535; accept ANY
import: from AS24167 at 192.16.155.21 action med=30; pref=535; accept ANY
import: from AS24904 action med=10; pref=535; community.={513:21357}; accept
import: from AS25091 action med=10; pref=535; accept
import: from AS25152 action med=10; pref=535; accept
import: from AS28810 action med=10; pref=535; community.={513:21357}; accept
import: from AS29222 action med=10; pref=535; community.={513:21357}; accept
import: from AS30781 action med=10; pref=535; community.={513:21357}; accept
import: from AS32361 action med=30; pref=535; accept
import: from AS33845 action med=10; pref=535; community.={513:21357}; accept
import: from AS34146 action med=10; pref=535; community.={513:21357}; accept
import: from AS34288 action med=30; pref=535; accept
import: from AS34781 action med=10; pref=535; community.={513:21357}; accept
import: from AS43115 action med=10; pref=535; accept
import: from AS43142 action med=10; pref=535; community.={513:21357}; accept
import: from AS43683 action med=10; pref=535; community.={513:21357}; accept
import: from AS48751 action med=10; pref=535; accept
import: from AS57859 action med=10; pref=535; accept ANY
import: from AS61339 action med=10; pref=535; community.={513:21357}; accept
import: from AS196690 action med=10; pref=535; community.={513:21357}; accept
remarks: #
export: to AS59 announce
export: to AS293 announce
export: to AS297 announce
export: to AS559 at 192.65.184.209 action med=20; announce
export: to AS559 at 192.65.184.222 action med=20; announce
export: to AS559 at 192.65.184.70 action med=25; announce
export: to AS559 at 192.65.184.174 action med=25; announce
mp-export: afi ipv6.unicast to AS559 action med=20; announce AS-CERNEXT
export: to AS1297 announce ANY
export: to AS2200 announce
export: to AS2686 announce
export: to AS2697 announce
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
export: to AS6730 at 192.65.185.3 action med=10; announce
export: to AS6730 at 195.141.200.17 action aspath.prepend(AS513); community.={513:6730};announce
export: to AS6772 announce
export: to AS6776 announce
export: to AS6805 announce
export: to AS6830 announce
export: to AS6853 announce
export: to AS8404 announce
export: to AS8674 announce
export: to AS8928 action aspath.prepend(AS513); announce
mp-export: afi ipv6.unicast to AS8928 action aspath.prepend(AS513); announce AS-CERNEXT
export: to AS9264 announce
export: to AS10764 announce
export: to AS11537 action aspath.prepend(AS513); med=30; announce
export: to AS12620 announce
export: to AS12333 announce
export: to AS12350 announce
export: to AS12399 announce
export: to AS12654 announce any
export: to AS13030 announce
export: to AS15169 announce
export: to AS15479 announce
export: to AS17579 at 134.75.108.58 announce
export: to AS17579 at 192.16.155.29 announce
export: to AS20634 announce
export: to AS20932 announce
export: to AS21357 announce community(513:21357) or
export: to AS21449 announce
export: to AS22335 action aspath.prepend(AS513); announce
export: to AS24167 announce
export: to AS24904 announce
export: to AS25091 announce
export: to AS25152 announce {0.0.0.0/0}
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)

Home.cern Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

home.cern domain is not supported

DNS Records

DNS Lookup Tool

Host	A Record	TTL
home.cern	188.184.37.219	300

Host	MX Record	Priority	TTL
home.cern	cernmxgwlb.cern.ch	20	300

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

Host	TXT Record	TTL

ext-dns-1.cern.ch
TTL: 300
Email address: external-dns.cern.ch
Serial: 2015070207
Refresh: 43200
Retry: 10800
Expire: 604800
Minimum: 43200

Home.cern HTML Check

HTML Validation Tool

Errors

Attribute “xmlns:content” not allowed here.

Attribute “xmlns:dc” not allowed here.

Attribute “xmlns:foaf” not allowed here.

Attribute “xmlns:og” not allowed here.

Attribute “xmlns:rdfs” not allowed here.

Attribute “xmlns:sioc” not allowed here.

Attribute “xmlns:sioct” not allowed here.

Attribute “xmlns:skos” not allowed here.

Attribute “xmlns:xsd” not allowed here.

The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.

Bad value “cleartype” for attribute “http-equiv” on element “meta”.

A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.

When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.

Warnings

Attribute with the local name “xmlns:content” is not serializable as XML 1.0.

Attribute with the local name “xmlns:dc” is not serializable as XML 1.0.

Attribute with the local name “xmlns:foaf” is not serializable as XML 1.0.

Attribute with the local name “xmlns:og” is not serializable as XML 1.0.

Attribute with the local name “xmlns:rdfs” is not serializable as XML 1.0.

Attribute with the local name “xmlns:sioc” is not serializable as XML 1.0.

Attribute with the local name “xmlns:sioct” is not serializable as XML 1.0.

Attribute with the local name “xmlns:skos” is not serializable as XML 1.0.

Attribute with the local name “xmlns:xsd” is not serializable as XML 1.0.

The “banner” role is unnecessary for element “header”.

The “navigation” role is unnecessary for element “nav”.

The “contentinfo” role is unnecessary for element “footer”.

Home.cern Desktop Performance

Last tested: 07/02/2018

Desktop Speed

75%

Leverage browser caching

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Avoid landing page redirects

Optimize images

Reduce server response time

Minify JavaScript

Enable compression

Desktop Resource Breakdown

Total Resources	28
Number of Hosts	5
Static Resources	22
JavaScript Resources	9
CSS Resources	7

Home.cern Mobile Insights

Last tested: 12/19/2017

Mobile Usability

92%

Size tap targets appropriately

Mobile Speed

53%

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Avoid landing page redirects

Optimize images

Leverage browser caching

Prioritize visible content

Minify JavaScript

Enable compression

Mobile Resource Breakdown

Total Resources	27
Number of Hosts	5
Static Resources	21
JavaScript Resources	8
CSS Resources	7

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