A4.fr A4 Technologie : Le site des professionels de l'enseignement technologique

A4 Technologie Vente par correspondance et internet.

A4.fr Quick Summary

Status

Offline

Server IP address resolved: No

Http response code: None

Last Checked: 03/15/2025

A4.fr traffic estimate is about 154 unique visitors and 462 pageviews per day. The approximated value of a4.fr is 2,920 USD. Every unique visitor makes about 3 pageviews on average.

Alexa Traffic Rank estimates that a4.fr is ranked number 17,349 in the world.

A4.fr server is located in France, 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 DIRECT INFO SERVICE SARL.

A4.fr is registered under .FR top-level domain. Check other websites in .FR zone.

During the last check (July 29, 2023) a4.fr has an expired SSL certificate issued by Let's Encrypt (expired on September 27, 2023), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by Let's Encrypt.

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust a4.fr is pretty a safe domain.

Relying on Google Mobile-Friendly test a4.fr is well optimized for mobile and tablet devices, however website page loading time may be improved.

A4.fr General Information

A4.fr Audience Geography

Where are website visitors coming from?

Country Visitors

A4.fr Traffic Distribution

Where do visitors go on a4.fr?

SubdomainPageviews

A4.fr Popularity

How popular is a4.fr?

PeriodGlobal RankGlobal Rank Delta
past 3 months1432534232307
past month3216864-3517361
past week32843021658417

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A4.fr Safety Information

Rankchart Summary

Safe

Updated: 03/15/2025

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: 04/02/2024

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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

Safe

Updated: 01/08/2017

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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: 03/02/2021

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McAfee assesses a4.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 a4.fr for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Child safety is very good

Updated: 01/11/2019

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The WOT calculates reputation of the a4.fr. This reputation system receives ratings from users and information from third-party sources, assesses the a4.fr for safety features and confirms, whether a4.fr is suitable for children.

A4.fr SSL Information

Information about SSL/TLS certificates

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Domaina4.fr
Issuer OrganizationLet's Encrypt
IssuerR3
AlgorithmRSA-SHA256
Valid form06/29/2023
Expiration09/27/2023
SignedCertificate is not self signed
Additional Domainsa4.fr

A4.fr Server Information

A4.fr Server Location

Where website hosting server is located?

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A4.fr ASN Information

Information about IP address owner

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ASN ID: 202140

ASN Title: DIRECT INFO SERVICE SARL

Updated: 08/01/2024

A4.fr Domain Name Information

A4.fr DNS Information

Domain name service records

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HostA RecordTTL
a4.fr91.236.153.23560

A4.fr Whois Information

Information about registered users or assignees of an Internet resource

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A4.fr HTML Validation

A4.fr W3C HTML Markup Validation

HTML markup errors and warnings

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A4.fr Desktop Performance

How Well A4.fr Performs On Desktops?

Website desktop performance and usability tips

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Speed

54%

54%


Updated: 04/29/2017

A4.fr Mobile Performance

How Optimized Is A4.fr for Mobile Devices?

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Usability

62%

62%


Updated: 04/28/2017

A4.fr Nearest Competitors

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Most common user URL mistypes for a4.fr

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