Root.cern ROOT: analyzing petabytes of data, scientifically. - ROOT

An open-source data analysis framework used by high energy physics and others.

Root.cern Quick Summary

Status

Online

Server IP address resolved: Yes

Http response code: 200

Response time: 0.96 sec.

Last Checked: 08/23/2025

(Rescan now...)

Root.cern traffic estimate is about 262 unique visitors and 524 pageviews per day. The approximated value of root.cern is 5,840 USD. Every unique visitor makes about 2 pageviews on average.

Alexa Traffic Rank estimates that root.cern is ranked number 31,443 in the world.

Root.cern server is located in Switzerland, but, unfortunately, we cannot identify the countries where the visitors come from and thus it’s impossible to define if the distance can potentially affect the page load time. See the list of other websites hosted by CERN - European Organization for Nuclear Research.

Root.cern is registered under .CERN top-level domain. Check other websites in .CERN zone.

During the last check (July 03, 2025) root.cern has a valid and up-to-date SSL certificate issued by Sectigo Limited that expires on November 18, 2025, please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by Sectigo Limited.

In accordance with Google Safe Browsing, Google Safe Search and Symantec root.cern is pretty a safe domain.

Relying on Google Mobile-Friendly test root.cern is well optimized for mobile and tablet devices, however website page loading time may be improved.

Root.cern General Information

Root.cern Audience Geography

Where are website visitors coming from?

Country	Visitors

Root.cern Traffic Distribution

Where do visitors go on root.cern?

Subdomain	Pageviews

Root.cern Popularity

How popular is root.cern?

Period	Global Rank	Global Rank Delta
past 3 months	1288690	-185597
past month	4787759	69314

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	1473334	-466725	1	50%	2	40%
30	3723961	-953105	0	70%	5	200%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	1265715	-51147	3	7%
30	5379368	590930	2	-42.86%

Press rescan to collect fresh statistics for this website...

(Rescan now...)

Root.cern Safety Information

Rankchart Summary

Safe

Updated: 08/23/2025

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

Safe

Updated: 02/19/2025

(Rescan now...)

Norton ConnectSafe evaluates websites for any unsafe and inapropriate content. The results are important for families with young children.

Google Safe Search

Safe

Updated: 04/21/2017

(Rescan now...)

SafeSearch works as a parental control tool to filter out any content that might be inappropriate for your children.

Google Safe Browsing

Safe

Malware not found

Phishing not detected

Unwanted software not found

Harmfull applications not found

Updated: 01/09/2019

(Rescan now...)

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

McAfee® WebAdvisor

Safe

Updated: 03/08/2021

(Rescan now...)

McAfee assesses root.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 root.cern for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Not Checked

Updated: 08/23/2025

(Rescan now...)

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

Root.cern SSL Information

Information about SSL/TLS certificates

(Rescan now...)

Domain	www.cern.ch
Issuer Organization	Sectigo Limited
Issuer	Sectigo RSA Organization Validation Secure Server CA
Algorithm	RSA-SHA256
Valid form	03/06/2025
Expiration	11/18/2025
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 opensource.cern oqi.cern particles.cern pensionfund.cern.ch physics.cern press.cern pwa.cern.ch quantum.cern quantum.cern.ch root.cern root.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 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

SSL Checker

Root.cern Server Information

Root.cern Server Location

Where website hosting server is located?

(Rescan now...)

Root.cern ASN Information

Information about IP address owner

(Rescan now...)

ASN ID: 513

ASN Title: CERN - European Organization for Nuclear Research

Updated: 01/03/2025

Raw ASN data:

% 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: #
import: from AS59 action med=30; pref=535; accept
import: from AS293 action pref=535; accept ANY
import: from AS297 action med=30; pref=535; accept ANY
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
import: from AS559 at 192.65.184.174 action med=45; pref=535; accept community(20965:11537) or community(20965:293) or community(20965:6509)
import: from AS559 at 192.65.184.174 action med=25; pref=535; accept ANY
import: from AS559 at 192.65.184.70 action med=45; pref=535; accept community(20965:11537) or community(20965:293) or community(20965:6509)
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
import: from AS2200 action med=20; pref=535; accept any
import: from AS2686 action med=10; pref=535; community.={513:21357}; accept
import: from AS2697 action med=10; pref=535; accept
import: from AS3152 action med=30; pref=535; accept ANY
import: from AS3303 action med=10; pref=535; accept
import: from AS3320 action community.={513:3320}; aspath.prepend(AS3320); med=30; pref=1535; accept ANY
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
import: from AS6805 action med=10; pref=535; accept
import: from AS6830 action med=10; pref=535; accept
import: from AS6853 action med=10; pref=535; community.={513:21357}; accept
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
import: from AS12620 action med=10; pref=535; accept
import: from AS12654 action med=10; pref=535; accept
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)

Geolocation

ASN Lookup

Root.cern Domain Name Information

Root.cern DNS Information

Domain name service records

(Rescan now...)

Host	A Record	TTL
root.cern	137.138.6.72	43200

Host	NS Record	TTL
root.cern	ext-dns-2.cern.ch	43200
root.cern	ext-dns-1.cern.ch	43200

Root.cern Whois Information

Information about registered users or assignees of an Internet resource

(Rescan now...)

Raw WHOIS data:

Whois

DNS Lookup

Root.cern HTML Validation

Root.cern W3C HTML Markup Validation

HTML markup errors and warnings

(Rescan now...)

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”.

Bad value “” for attribute “href” on element “link”: Must be non-empty.

Element “gcse:searchbox” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)

Element “gcse:searchresults” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)

The “align” attribute on the “div” element is obsolete. Use CSS instead.

Duplicate ID “wrapper”.

Duplicate ID “main”.

Attribute “about” not allowed on element “article” at this point.

Attribute “content” not allowed on element “span” at this point.

Attribute “datatype” not allowed on element “span” at this point.

Bad value “CERN” for attribute “rel” on element “a”: The string “CERN” is not a registered keyword.

Stray end tag “div”.

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”.

Element name “gcse:searchbox” cannot be represented as XML 1.0.

Element name “gcse:searchresults” cannot be represented as XML 1.0.

Empty heading.

The first occurrence of ID “wrapper” was here.

The first occurrence of ID “main” was here.

Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.

The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.

HTML Validator

Root.cern Desktop Performance

How Well Root.cern Performs On Desktops?

Website desktop performance and usability tips

(Rescan now...)

Speed

69%

Optimize images

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

Leverage browser caching

Enable compression

Minify JavaScript

Minify CSS

Updated: 05/09/2017

Root.cern Mobile Performance

How Optimized Is Root.cern for Mobile Devices?

Tips on speeding up mobile site performance

(Rescan now...)

Usability

94%

Size tap targets appropriately

Updated: 06/01/2017

Root.cern Nearest Competitors

Estimated Nearest Competitors Of Root.cern

susana.org
ecokoja.ru
sealife.az
ablic.com
bandofhorses.com
wells.edu
destinationsinternational.org
pbcommercial.com
retronaut.co
baskets-store.com
root.cern
orchardcore.net
chicagolandchamber.org
cb1cb400.ru
alltooflat.com
tigiprofessional.com
stargazing.net
centrdtt.ru
csgo-case-simulator.ru
gamesbids.com
sheahomes.com
slid.es

Root.cern URL Typos

Most common user URL mistypes for root.cern

www.root.com
www.root.net
www.root.org
www.root.info
www.root.biz
www.root.us
www.root.mobi
www.oot.cern
www.root.cern
www.eoot.cern
www.reoot.cern
www.eroot.cern
www.doot.cern
www.rdoot.cern
www.droot.cern
www.foot.cern
www.rfoot.cern
www.froot.cern
www.toot.cern
www.rtoot.cern
www.troot.cern
www.rot.cern
www.riot.cern
www.roiot.cern
www.rioot.cern
www.rkot.cern
www.rokot.cern
www.rkoot.cern
www.rlot.cern
www.rolot.cern
www.rloot.cern
www.rpot.cern
www.ropot.cern
www.rpoot.cern
www.roit.cern
www.rooit.cern
www.rokt.cern
www.rookt.cern
www.rolt.cern
www.roolt.cern
www.ropt.cern
www.roopt.cern
www.roo.cern
www.roor.cern
www.rootr.cern
www.roort.cern
www.roof.cern
www.rootf.cern
www.rooft.cern
www.roog.cern
www.rootg.cern
www.roogt.cern
www.rooy.cern
www.rooty.cern
www.rooyt.cern

Total Resources	50
Number of Hosts	8
Static Resources	40
JavaScript Resources	12
CSS Resources	9

CSS	273.6 KBytes
Images	861.6 KBytes
HTML	58.2 KBytes
JavaScript	840.7 KBytes
Other	1.3 KBytes

Total Resources	47
Number of Hosts	8
Static Resources	38
JavaScript Resources	12
CSS Resources	9

CSS	273.6 KBytes
Images	838.3 KBytes
HTML	57.7 KBytes
JavaScript	845.0 KBytes
Other	1.3 KBytes