Cerin.org Cerin | Centre de Ressources et d’Informations Nutritionnelles

Toute l'actualité sur l’alimentation et la santé destinées aux professionnels de la santé et du social

Cerin.org Overview

Cerin.org ranking shows that the page is at position 1,467,994 over the world.

Cerin.org hosting company servers are placed in the France, but, unfortunately, it’s not possible to identify the countries where the bulk of cerin.org users come from and, therefore, we couldn’t define if the distance can influence the webpage load time. See the list of other webpages hosted on Alfa-Safety SARL servers.

In terms of rank-to-traffic ratio, cerin.org has 503 unique users per day, viewing 508 pages. The rank based value of cerin.org is 3,154 USD. Every user makes 1.08 pageviews on average.

Cerin.org boasts a link base consisting of 409 referring domains and 518 external backlinks, as revealed by the data obtained from web network scanning.

Cerin.org top-level domain belongs to .ORG domain zone. Check other webpages in .ORG zone.

According the last verification test in July 28, 2023, cerin.org has an expired SSL certificate issued by Let's Encrypt (expired on September 21, 2023). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Let's Encrypt.

Based on data from Google Safe Browsing, Google Safe Search, Symantec and Web of Trust cerin.org is a fairly safe domain.

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

Cerin.org Rank Summary

Global Rank

1,467,994

Average Load Time

2.53sec

Links In Count

118

Website Value

$2,920

Audience Geography. Where are cerin.org visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on cerin.org?

Subdomain	Pageviews

Subdomain	Pageviews per User

Subdomain	Reach

How popular is cerin.org?

Period	Global Rank	Global Rank Delta
past 3 months	1467994	520814
past month	4236123	2321731
past week	1932240	0

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	1959554	572258	1	-37.11%	1	10%
30	4186717	1886175	0	-68.807%	2	40%
7	1761882	0	1	0%	2	0%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	1304290	500867	29	-42.99%
30	4410194	2618495	5	-77.528%
7	1991233	0	1	0%

Cerin.org Website Safety

Overview

Last Updated: 01/09/2026

Overall result - cerin.org 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: 02/09/2025

cerin.org is safe.

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

Google Safe Search

Last Updated: 03/05/2019

cerin.org 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

cerin.org 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: 02/14/2021

cerin.org is safe.

McAfee assesses cerin.org 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 cerin.org for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/13/2019

cerin.org child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	cerin.org
Issuer Organization	Let's Encrypt
Issuer	R3
Algorithm	RSA-SHA256
Valid form	06/23/2023
Expiration	09/21/2023
Signed	Certificate is not self signed
Additional Domains	cerin.org www.cerin.org

Cerin.org Rank History

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

Cerin.org Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 20529

ASN Title: Alfa-Safety SARL

Last Update: 12/25/2025

% 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 'AS20485 - AS20857'

as-block: AS20485 - AS20857
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: 2018-11-22T15:27:27Z
last-modified: 2018-11-22T15:27:27Z
source: RIPE

% Information related to 'AS20529'

% Abuse contact for 'AS20529' is 'support@alfa-safety.fr'

aut-num: AS20529
as-name: AS1_ALFA-SAFETY
descr: Alfa-safety
org: ORG-CISP1-RIPE
import: from AS12876 action pref=100; accept ANY
export: to AS12876 announce AS20529
admin-c: NC876-RIPE
tech-c: NC876-RIPE
status: ASSIGNED
mnt-by: CYB-NET
mnt-by: RIPE-NCC-END-MNT
created: 2001-11-21T14:08:11Z
last-modified: 2022-03-21T11:59:46Z
source: RIPE # Filtered

organisation: ORG-CISP1-RIPE
org-name: Alfa-Safety SARL
country: FR
org-type: LIR
address: 15 rue Lamoriciere
address: 44100
address: NANTES
address: FRANCE
phone: +33 2 51 84 34 00
phone: +33 2 51 84 34 05
fax-no: +33 2 51 84 34 09
abuse-c: AR15222-RIPE
admin-c: AM43001-RIPE
admin-c: NC876-RIPE
tech-c: AM43001-RIPE
mnt-ref: CYB-NET
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: CYB-NET
created: 2004-04-17T11:21:36Z
last-modified: 2020-12-16T13:30:01Z
source: RIPE # Filtered

role: NOC Alfa-safety
address: 4 rue des Olivettes
address: Passage Douard, Bat 7
address: 44000 NANTES
address: FRANCE
phone: +33 2 51 84 34 00
fax-no: +33 2 51 84 34 09
remarks: trouble: reseau@alfa-safety.fr
admin-c: AM43001-RIPE
tech-c: AM43001-RIPE
nic-hdl: NC876-RIPE
mnt-by: CYB-NET
created: 1970-01-01T00:00:00Z
last-modified: 2022-03-16T09:38:50Z
source: RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.106 (SHETLAND)

Cerin.org Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: cerin.org
Registry Domain ID: 90b0a0509aae49b99c220e1cc10acb3a-LROR
Registrar WHOIS Server: http://whois.namebay.com
Registrar URL: http://www.namebay.com
Updated Date: 2024-06-30T07:28:39Z
Creation Date: 1997-08-01T04:00:00Z
Registry Expiry Date: 2025-07-31T04:00:00Z
Registrar: Namebay SAM
Registrar IANA ID: 88
Registrar Abuse Contact Email: abuse@namebay.com
Registrar Abuse Contact Phone: +377.97706164
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: CENTRE RECHERCHES ET INFORMATION NUTRITIONNELLES
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province:
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: FR
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: dns1.namebay.com
Name Server: dns2.namebay.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-10-22T14:43:10Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
cerin.org	217.147.196.162	10

Host	MX Record	Priority	TTL
cerin.org	cerin-org.mail.protection.outlook.com	4	10

Host	NS Record	TTL
cerin.org	dns1.namebay.com	10
cerin.org	dns2.namebay.com	10

Host	TXT Record	TTL
cerin.org	MS=ms78177177	10
cerin.org	v=spf1 mx a ptr ip4:93.187.41.97 ip4:93.187.41.98 include:spf.protection.outlook.com include:spf.mailjet.com ~all	10
cerin.org	v=spf1 mx a ptr ip4:93.187.41.97 ip4:93.187.41.98 include:spf.protection.outlook.com include:_spf.google.com ~all	10

dns1.namebay.com
TTL: 10
Email address: admin.validname.com
Serial: 2019030117
Refresh: 10800
Retry: 600
Expire: 1209600
Minimum: 3600

Cerin.org HTML Check

HTML Validation Tool

Errors

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

The element “button” must not appear as a descendant of the “a” element.

Attribute “model-1” not allowed on element “article” at this point.

Stray end tag “span”.

No space between attributes.

Duplicate ID “facebook-signin”.

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

Bad value “” for attribute “action” on element “form”: Must be non-empty.

Bad value “POST ” for attribute “method” on element “form”.

Bad value “” for attribute “name” on element “input”: Must not be empty.

Bad value “text” for attribute “type” on element “button”.

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

Element “script” must not have attribute “async” unless attribute “src” is also specified.

Stray end tag “a”.

Duplicate ID “customer_login”.

Duplicate ID “username”.

Duplicate ID “password”.

Duplicate ID “woocommerce-login-nonce”.

Duplicate ID “reg_email”.

Duplicate ID “reg_password”.

Duplicate ID “trap”.

Duplicate ID “woocommerce-register-nonce”.

Warnings

The first occurrence of ID “facebook-signin” was here.

The first occurrence of ID “customer_login” was here.

The first occurrence of ID “username” was here.

The first occurrence of ID “password” was here.

The first occurrence of ID “woocommerce-login-nonce” was here.

The first occurrence of ID “reg_email” was here.

The first occurrence of ID “reg_password” was here.

The first occurrence of ID “trap” was here.

The first occurrence of ID “woocommerce-register-nonce” was here.

Cerin.org Desktop Performance

Last tested: 05/05/2017

Desktop Speed

51%

Optimize images

Leverage browser caching

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

Avoid landing page redirects

Minify JavaScript

Minify CSS

Enable compression

Minify HTML

Desktop Resource Breakdown

Total Resources	154
Number of Hosts	12
Static Resources	41
JavaScript Resources	52
CSS Resources	30

Cerin.org Mobile Insights

Last tested: 04/29/2017

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

45%

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

Avoid landing page redirects

Leverage browser caching

Optimize images

Minify JavaScript

Minify CSS

Enable compression

Minify HTML

Mobile Resource Breakdown

Total Resources	153
Number of Hosts	12
Static Resources	41
JavaScript Resources	52
CSS Resources	30

Cerin.org Common Typos

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Cerin.org Cerin | Centre de Ressources et d’Informations Nutritionnelles

Toute l'actualité sur l’alimentation et la santé destinées aux professionnels de la santé et du social

Cerin.org Overview

Cerin.org Rank Summary

Cerin.org Website Safety

Cerin.org Rank History

Cerin.org Hosting Information

Cerin.org Domain Registration and Settings

Cerin.org HTML Check

Cerin.org Desktop Performance

Cerin.org Mobile Insights

Cerin.org Similar Audits

Cerin.org Common Typos