Ls2n.fr Laboratoire des Sciences du Numérique de Nantes

Ls2n.fr Quick Summary

Status

Offline

Server IP address resolved: No

Http response code: None

Last Checked: 11/05/2024

Ls2n.fr traffic estimate is about 2,482 unique visitors and 4,964 pageviews per day. The approximated value of ls2n.fr is 3,600 USD. Every unique visitor makes about 2 pageviews on average.

ls2n.fr is hosted by Renater. See the list of other websites hosted by Renater.

Ls2n.fr is registered under .FR top-level domain. Check other websites in .FR zone.

During the last check (February 06, 2022) ls2n.fr has an expired wildcard SSL certificate issued by TERENA (expired on March 08, 2022), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by TERENA.

In accordance with Google Safe Browsing and Symantec ls2n.fr is pretty a safe domain.

Relying on Google Mobile-Friendly test ls2n.fr isn't optimized for mobile and tablet devices. Designing your websites to be mobile friendly ensures that your pages perform well on all devices, also website page loading time may be improved.

Ls2n.fr General Information

Information not available

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Ls2n.fr Safety Information

Rankchart Summary

Unknown

Updated: 11/05/2024

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: 02/12/2024

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

Google Safe Search

Unknown

Updated: 11/05/2024

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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

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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: 03/14/2021

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McAfee assesses ls2n.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 ls2n.fr for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Not Checked

Updated: 11/05/2024

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The WOT calculates reputation of the ls2n.fr. This reputation system receives ratings from users and information from third-party sources, assesses the ls2n.fr for safety features and confirms, whether ls2n.fr is suitable for children.

Ls2n.fr SSL Information

Information about SSL/TLS certificates

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Domain	*.ls2n.fr
Issuer Organization	TERENA
Issuer	TERENA SSL CA 3
Algorithm	RSA-SHA256
Valid form	01/22/2020
Expiration	03/08/2022
Signed	Certificate is not self signed
Additional Domains	*.ls2n.fr ls2n.fr

SSL Checker

Ls2n.fr Server Information

Ls2n.fr Server Location

Where website hosting server is located?

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Ls2n.fr ASN Information

Information about IP address owner

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ASN ID: 2200

ASN Title: Renater

Updated: 03/25/2024

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 '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)

Geolocation

ASN Lookup

Ls2n.fr Domain Name Information

Ls2n.fr DNS Information

Domain name service records

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A

Host	A Record	TTL

Ls2n.fr Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Whois

DNS Lookup

Ls2n.fr HTML Validation

Ls2n.fr W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:

Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.

Bad value “https://theeventscalendar.com/” for attribute “rel” on element “link”: The string “https://theeventscalendar.com/” is not a registered keyword.

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

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

No space between attributes.

Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.

Attribute “;"” not allowed on element “a” at this point.

End tag “br”.

Duplicate ID “imgActuSecondary”.

Bad value “” for attribute “src” on element “img”: Must be non-empty.

Stray end tag “ul”.

Text not allowed in element “ul” in this context.

End tag “li” seen, but there were open elements.

Unclosed element “a”.

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

End tag “article” seen, but there were open elements.

Unclosed element “div”.

Duplicate ID “imgActu”.

Duplicate ID “textActu”.

Duplicate ID “buttonPlay”.

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

Attribute “type” not allowed on element “div” at this point.

Attribute “alt” not allowed on element “div” at this point.

Duplicate ID “footer_language_list”.

End tag for “body” seen, but there were unclosed elements.

Warnings:

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

Attribute “;"” is not serializable as XML 1.0.

The first occurrence of ID “imgActuSecondary” was here.

Text run is not in Unicode Normalization Form C.

The first occurrence of ID “imgActu” was here.

The first occurrence of ID “textActu” was here.

The first occurrence of ID “buttonPlay” was here.

The first occurrence of ID “footer_language_list” was here.

HTML Validator

Ls2n.fr Desktop Performance

How Well Ls2n.fr Performs On Desktops?

Website desktop performance and usability tips

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Speed
Resource Breakdown

Speed

18%

Optimize images

Reduce server response time

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

Leverage browser caching

Minify JavaScript

Prioritize visible content

Minify CSS

Updated: 12/04/2017

Ls2n.fr Mobile Performance

How Optimized Is Ls2n.fr for Mobile Devices?

Tips on speeding up mobile site performance

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Usability
Speed
Resource Breakdown

Usability

99%

Size tap targets appropriately

Updated: 12/04/2017

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Ls2n.fr URL Typos

Most common user URL mistypes for ls2n.fr

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Total Resources	121
Number of Hosts	12
Static Resources	78
JavaScript Resources	23
CSS Resources	22

Text	75.6 KBytes
CSS	470.3 KBytes
Images	4.7 MBytes
HTML	43.1 KBytes
JavaScript	1.6 MBytes
Other	37.9 KBytes

Total Resources	121
Number of Hosts	12
Static Resources	78
JavaScript Resources	23
CSS Resources	22

Text	75.6 KBytes
CSS	470.3 KBytes
Images	5.2 MBytes
HTML	43.1 KBytes
JavaScript	1.6 MBytes
Other	37.9 KBytes