Lebesgue.fr Henri Lebesgue Center | Henri Lebesgue Center

Lebesgue.fr Overview

Lebesgue.fr belongs to Renater. Check the list of other websites hosted by Renater.

In terms of rank-to-traffic ratio, lebesgue.fr has 2,378 unique users per day, viewing 4,803 pages. The rank based value of lebesgue.fr is 3,629 USD. Every user makes 2.14 pageviews on average.

Lebesgue.fr boasts a link base consisting of 304 referring domains and 329 external backlinks, as revealed by the data obtained from web network scanning.

Lebesgue.fr top-level domain belongs to .FR domain zone. Check other webpages in .FR zone.

According the last verification test in April 21, 2021, lebesgue.fr has an expired SSL certificate issued by TERENA (expired on December 01, 2021). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by TERENA.

Based on data from Google Safe Browsing, Google Safe Search and Symantec lebesgue.fr is a fairly safe domain.

According the Mobile-Friendly test by Google lebesgue.fr is nice optimized for mobile devices and tablets, however the webpage speed could be improved.

Lebesgue.fr Website Safety

Overview

Last Updated: 12/26/2024

Overall result - lebesgue.fr 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: 02/20/2024

lebesgue.fr is safe.

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

Google Safe Search

Last Updated: 04/03/2020

lebesgue.fr 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

lebesgue.fr 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: 02/17/2021

lebesgue.fr is safe.

McAfee assesses lebesgue.fr 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 lebesgue.fr for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 12/26/2024

lebesgue.fr child safety is unknown.

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

SSL Information

SSL Checker Tool

Domain	www.lebesgue.fr
Issuer Organization	TERENA
Issuer	TERENA SSL CA 3
Algorithm	RSA-SHA256
Valid form	11/21/2019
Expiration	12/01/2021
Signed	Certificate is not self signed
Additional Domains	lebesgue.fr www.lebesgue.fr chl.lebesgue.fr agence.lebesgue.fr annales.lebesgue.fr cloud.lebesgue.fr devel.lebesgue.fr monitoring.lebesgue.fr private.lebesgue.fr sympa.lebesgue.fr intranet.lebesgue.fr annals.lebesgue.fr agence-dev.lebesgue.fr agence-old.lebesgue.fr intracrom.lebesgue.fr annales-devel.lebesgue.fr

Lebesgue.fr Rank History

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

Lebesgue.fr Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 2200

ASN Title: Renater

Last Update: 03/15/2024

% 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 'AS2174 - AS2273'

as-block: AS2174 - AS2273
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: 2002-08-22T14:58:41Z
last-modified: 2014-02-24T13:15:16Z
source: RIPE

% Information related to 'AS2200'

% Abuse contact for 'AS2200' is 'certsvp@renater.fr'

aut-num: AS2200
as-name: FR-RENATER
descr: Reseau National de telecommunications pour la Technologie
descr: l'Enseignement et la Recherche
descr: FR
import: from AS-RENATER accept
import: from AS-SFINX-MEMBERS action pref=190; accept
import: from AS20965 action pref=300; accept ANY
import: from AS174 action pref=300; accept ANY
import: from AS3257 action pref=300; accept ANY
export: to AS-RENATER announce ANY
export: to AS-SFINX-MEMBERS announce AS-RENATER
export: to AS20965 announce AS-RENATER AS7500
export: to AS12654 announce AS-RENATER
export: to AS21357 announce AS-RENATER
export: to AS174 announce AS-RENATER
export: to AS3257 announce AS-RENATER
org: ORG-RA8-RIPE
admin-c: GR1378-RIPE
tech-c: GR1378-RIPE
status: LEGACY
mnt-by: RENATER-MNT
remarks: changed: rensvp@renater.fr 19991014
remarks: changed: er-transfer@ripe.net 20020919
remarks: changed: rensvp@renater.fr 20161226
remarks: changed: rensvp@renater.fr 20170914
remarks: changed: rensvp@renater.fr 20171114
created: 2002-09-19T15:18:41Z
last-modified: 2017-11-14T11:41:15Z
source: RIPE

organisation: ORG-RA8-RIPE
org-name: Renater
org-type: LIR
address: 23-25, rue Daviel
address: 75013
address: Paris
address: FRANCE
phone: +33153942030
fax-no: +33153942031
admin-c: PS19314-RIPE
admin-c: MR17722-RIPE
admin-c: GRSO1-RIPE
admin-c: CT1053-RIPE
admin-c: LG4829-RIPE
admin-c: PD6398-RIPE
admin-c: FL842-RIPE
admin-c: YB549-RIPE
abuse-c: RA6839-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: RENATER-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: RENATER-MNT
created: 2004-04-17T11:23:28Z
last-modified: 2016-05-27T09:36:30Z
source: RIPE # Filtered

role: GIP RENATER
address: GIP RENATER
address: 23-25 Rue Daviel
address: 75013 PARIS
address: FRANCE
phone: +33 1 53 94 20 30
fax-no: +33 1 53 94 20 31
abuse-mailbox: CertSVP@Renater.fr
remarks: ---------------------------------------------------------------
remarks: Information: http://www.renater.fr/
remarks: ---------------------------------------------------------------
remarks: IRT-Object: IRT-CERT-Renater
remarks: ---------------------------------------------------------------
remarks: Network Operations Center (24/7/365):
remarks: noc-renater@noc.renater.fr
remarks: 0800 77 47 95 (toll free)
remarks: +33 1 78 41 05 51
remarks: ---------------------------------------------------------------
remarks: Peering requests: peering@renater.fr
remarks: ---------------------------------------------------------------
remarks: Customers technical support: support@renater.fr
remarks: ---------------------------------------------------------------
admin-c: PD6398-RIPE
tech-c: LG4829-RIPE
tech-c: MR17722-RIPE
tech-c: PS19314-RIPE
tech-c: FL842-RIPE
tech-c: CT1053-RIPE
tech-c: YB549-RIPE
tech-c: GRSO1-RIPE
nic-hdl: GR1378-RIPE
mnt-by: RENATER-MNT
remarks: changed: RenSVP@Renater.fr 20140619
remarks: changed: rensvp@renater.fr 20161102
created: 2002-08-08T17:14:15Z
last-modified: 2016-11-02T10:41:11Z
source: RIPE # Filtered

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

Lebesgue.fr Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

%%
%% This is the AFNIC Whois server.
%%
%% complete date format: YYYY-MM-DDThh:mm:ssZ
%%
%% Rights restricted by copyright.
%% See https://www.afnic.fr/en/domain-names-and-support/everything-there-is-to-know-about-domain-names/find-a-domain-name-or-a-holder-using-whois/
%%
%%

domain: lebesgue.fr
status: ACTIVE
eppstatus: active
hold: NO
holder-c: UDRU26-FRNIC
admin-c: UDRU20-FRNIC
tech-c: UDRU21-FRNIC
registrar: NAMESHIELD
Expiry Date: 2023-09-18T08:57:03Z
created: 2012-02-13T17:13:56Z
last-update: 2022-09-16T22:19:29Z
source: FRNIC

nserver: resone.univ-rennes1.fr
nserver: soleil.uvsq.fr
source: FRNIC

registrar: NAMESHIELD
address: 39 boulevard des Capucines
address: 75002 PARIS
country: FR
phone: +33.241182828
fax-no: +33.241182829
e-mail: registrar@nameshield.net
website: https://www.nameshield.com/contact-nameshield/
anonymous: No
registered: 1997-12-29T00:00:00Z
source: FRNIC

nic-hdl: UDRU20-FRNIC
type: ORGANIZATION
contact: UNIVERSITE DE RENNES 1
address: DIRECTION de la communication
address: 2, rue du Thabor
address: 35065 Rennes
country: FR
phone: +33.223237121
e-mail: communication@univ-rennes1.fr
registrar: NAMESHIELD
changed: 2022-11-23T08:01:36.116211Z
anonymous: NO
obsoleted: NO
eppstatus: associated
eppstatus: active
eligstatus: not identified
reachstatus: not identified
source: FRNIC

nic-hdl: UDRU21-FRNIC
type: ORGANIZATION
contact: UNIVERSITE DE RENNES 1
address: DIRECTION du systeme d'information
address: 2, rue du Thabor
address: 35065 Rennes
country: FR
phone: +33.223237121
e-mail: domaines@listes.univ-rennes1.fr
registrar: NAMESHIELD
changed: 2022-11-23T08:01:36.120649Z
anonymous: NO
obsoleted: NO
eppstatus: associated
eppstatus: active
eligstatus: not identified
reachstatus: not identified
source: FRNIC

nic-hdl: UDRU26-FRNIC
type: ORGANIZATION
contact: UNIVERSITE DE RENNES 1
address: PRESIDENT de l'universite
address: 2, rue du Thabor
address: 35065 Rennes
country: FR
phone: +33.223237121
e-mail: domaines@listes.univ-rennes1.fr
registrar: NAMESHIELD
anonymous: NO
obsoleted: NO
eppstatus: associated
eppstatus: active
eligstatus: not identified
reachstatus: not identified
source: FRNIC

>>> WHOIS request date: 2023-08-12T16:10:28.318847Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Lebesgue.fr HTML Check

HTML Validation Tool

Errors

Legacy doctype. Expected “<!DOCTYPE html>”.

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 “version” attribute on the “html” element is obsolete. You can safely omit it.

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 “all and (min-width: 740px) and (min-device-width: 740px), (max-device-width: 800px) and (min-width: 740px) and (orientation:landscape)” for attribute “media” on element “style”: Deprecated media feature “min-device-width”. For guidance, see the Deprecated Media Features section in the current Media Queries specification.

Bad value “all and (min-width: 980px) and (min-device-width: 980px), all and (max-device-width: 1024px) and (min-width: 1024px) and (orientation:landscape)” for attribute “media” on element “style”: Deprecated media feature “min-device-width”. For guidance, see the Deprecated Media Features section in the current Media Queries specification.

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

Bad value “auto” for attribute “width” on element “img”: Expected a digit but saw “a” instead.

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

Duplicate ID “corner-box”.

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

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

No “p” element in scope but a “p” end tag seen.

Duplicate ID “titre-entoure”.

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.

Consider avoiding viewport values that prevent users from resizing documents.

The first occurrence of ID “corner-box” was here.

The first occurrence of ID “titre-entoure” was here.

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

Lebesgue.fr Desktop Performance

Last tested: 12/02/2016

Desktop Speed

68%

Leverage browser caching

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

Enable compression

Optimize images

Prioritize visible content

Minify CSS

Minify JavaScript

Desktop Resource Breakdown

Total Resources	85
Number of Hosts	4
Static Resources	43
JavaScript Resources	9
CSS Resources	42

Lebesgue.fr Mobile Insights

Last tested: 12/02/2016

Mobile Usability

91%

Size tap targets appropriately

Mobile Speed

56%

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

Leverage browser caching

Enable compression

Optimize images

Minify CSS

Minify JavaScript

Mobile Resource Breakdown

Total Resources	85
Number of Hosts	4
Static Resources	43
JavaScript Resources	9
CSS Resources	42

Lebesgue.fr Common Typos

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Lebesgue.fr Henri Lebesgue Center | Henri Lebesgue Center

Lebesgue.fr Overview

Lebesgue.fr Website Safety

Lebesgue.fr Rank History

Lebesgue.fr Hosting Information

Lebesgue.fr Domain Registration and Settings

Lebesgue.fr HTML Check

Lebesgue.fr Desktop Performance

Lebesgue.fr Mobile Insights

Lebesgue.fr Similar Audits

Lebesgue.fr Common Typos