cnrs.fr

Find out what technologies cnrs.fr is using
Email Hosting Providers

SPF

SPF

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   The Sender Policy Framework (SPF) is an email-authentication technique which is used to prevent spammers from sending messages on behalf of your domain. With SPF an organisation can publish authorized mail servers.

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Microsoft Office 365

Microsoft Office 365

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   Microsoft Office 365 is a Software as a Service (SaaS) solution that includes Microsoft Office and other services, such as email and collaboration, from Microsoft’s cloud server. Microsoft Office 365 provides desktop functionalities and is available by subscription.

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Document Standards

X-Frame-Options Header

X-Frame-Options Header

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   The X-Frame-Options HTTP response header can be used to indicate whether or not a browser should be allowed to render a page in a <frame>, <iframe>, <embed> or <object>. Sites can use this to avoid clickjacking attacks, by ensuring that their content is not embedded into other sites.


Public Cache-Control

Public Cache-Control

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   Indicates that the response may be cached by any cache, even if the response would normally be non-cacheable (e.g. if the response does not contain a max-age directive or the Expires header).

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Cache-Control Header Max-Age

Cache-Control Header Max-Age

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   Specifies the maximum amount of time a resource will be considered fresh. Contrary to Expires, this directive is relative to the time of the request. this website is having max-age=86400 secs.


SEO Robots : Allow to index and follow website links

SEO Robots : Allow to index and follow website links

Download List of All Websites using SEO Robots : Allow to index and follow website links

   Meta robots tag is a tag that tells search engines what to follow and what not to follow.


Block Content Sniffing

Block Content Sniffing

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   The X-Content-Type-Options response HTTP header is a marker used by the server to indicate that the MIME types advertised in the Content-Type headers should not be changed and be followed. This allows to opt-out of MIME type sniffing, or, in other words, it is a way to say that the webmasters knew what they were doing.


Vary Header check for cookies

Vary Header check for cookies

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   The Vary HTTP response header determines how to match future request headers to decide whether a cached response can be used rather than requesting a fresh one from the origin server. It is used by the server to indicate which headers it used when selecting a representation of a resource in a content negotiation algorithm.


Vary Header Accept-Encoding

Vary Header Accept-Encoding

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   The Accept-Encoding request HTTP header advertises which content encoding, usually a compression algorithm, the client is able to understand. Using content negotiation, the server selects one of the proposals, uses it and informs the client of its choice with the Content-Encoding response header.

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Internet Explorer Compatibility

Internet Explorer Compatibility

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   this website is supporting The highest supported document mode of the browser for Internet Explorer




Widgets

Twitter Cards

Twitter Cards

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   With Twitter Cards, you can attach rich photos, videos and media experiences to Tweets, helping to drive traffic to your website.




Document Encoding

Character Encoding :UTF-8

Character Encoding :UTF-8

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   This website is using UTF-8 character encoding in HTML , character encoding is used to represent a repertoire of characters by some kind of encoding system.


Gzip Content-Encoding

Gzip Content-Encoding

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   The Content-Encoding entity header is used to compress the media-type. When present, its value indicates which encodings were applied to the entity-body. It lets the client know how to decode in order to obtain the media-type referenced by the Content-Type header.




Web Servers

Server partial requests support

Server partial requests support

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   The Accept-Ranges response HTTP header is a marker used by the server to advertise its support of partial requests. The value of this field indicates the unit that can be used to define a range.




Mobile

Viewport  - Width

Viewport - Width

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   The viewport is the user`s visible area of a web page. The viewport varies with the device, and will be smaller on a mobile phone than on a computer screen. Before tablets and mobile phones, web pages were designed only for computer screens, and it was common for web pages to have a static design and a fixed size.

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Viewport  - Mobile compatible

Viewport - Mobile compatible

Download List of All Websites using Viewport - Mobile compatible

   The viewport is the user`s visible area of a web page. The viewport varies with the device, and will be smaller on a mobile phone than on a computer screen. Before tablets and mobile phones, web pages were designed only for computer screens, and it was common for web pages to have a static design and a fixed size.

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Viewport  - initial-scale

Viewport - initial-scale

Download List of All Websites using Viewport - initial-scale

   The viewport is the user`s visible area of a web page. The viewport varies with the device, and will be smaller on a mobile phone than on a computer screen. Before tablets and mobile phones, web pages were designed only for computer screens, and it was common for web pages to have a static design and a fixed size.

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Document Standards

Age HTTP Header - Original Server Response

Age HTTP Header - Original Server Response (removed)

2019-05-25 / 2021-07-31

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HSTS - Browser HTTPS Only for domain and subdomains

HSTS - Browser HTTPS Only for domain and subdomains (removed)

2019-05-25 / 2021-07-31

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Meta Description

Meta Description (removed)

2019-05-25 / 2021-07-31

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X-Frame-Options Header

X-Frame-Options Header

2019-05-25 / 2023-05-07

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X-Cache HTTP Header

X-Cache HTTP Header (removed)

2019-05-25 / 2021-07-31

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Private Cache-Control Header

Private Cache-Control Header (removed)

2019-05-25 / 2021-07-31

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No Cache Content

No Cache Content (removed)

2019-05-25 / 2021-07-31

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Must Revalidate HTTP Cache-Control

Must Revalidate HTTP Cache-Control (removed)

2019-05-25 / 2021-07-31

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Public Cache-Control

Public Cache-Control

2023-05-07 / 2023-05-07

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Cache-Control Header Max-Age

Cache-Control Header Max-Age

2023-05-07 / 2023-05-07

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SEO Robots : Allow to index and follow website links

SEO Robots : Allow to index and follow website links

2019-05-25 / 2023-05-07

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Vary Header Accept-Encoding

Vary Header Accept-Encoding (removed)

2019-05-25 / 2021-07-31

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Block Content Sniffing

Block Content Sniffing

2019-05-25 / 2023-05-07

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Vary Header check for cookies

Vary Header check for cookies

2023-05-07 / 2023-05-07

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Vary Header Accept-Encoding

Vary Header Accept-Encoding

2023-05-07 / 2023-05-07

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XSS-Protection Header

XSS-Protection Header (removed)

2019-05-25 / 2021-07-31

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Internet Explorer Compatibility

Internet Explorer Compatibility

2019-05-25 / 2023-05-07

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JavaScript Libraries and Functions

mathjax  2.7.0

mathjax 2.7.0 (removed)

2019-05-25 / 2019-05-25

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Content Delivery Network

Cdnjs

Cdnjs (removed)

2019-05-25 / 2019-05-25

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Email Hosting Providers

SPF

SPF

2019-05-25 / 2023-05-07

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Microsoft Office 365

Microsoft Office 365

2019-05-25 / 2023-05-07

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Widgets

Twitter Cards

Twitter Cards

2021-07-31 / 2023-05-07

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Document Encoding

Character Encoding :UTF-8

Character Encoding :UTF-8

2019-05-25 / 2023-05-07

|

Gzip Content-Encoding

Gzip Content-Encoding

2021-07-31 / 2023-05-07

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Chunked transfer encoding

Chunked transfer encoding (removed)

2019-05-25 / 2019-05-25

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Web Servers

Server partial requests support

Server partial requests support

2019-05-25 / 2023-05-07

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Mobile

Viewport  - Width

Viewport - Width

2019-05-25 / 2023-05-07

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Viewport  - Mobile compatible

Viewport - Mobile compatible

2019-05-25 / 2023-05-07

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Viewport  - initial-scale

Viewport - initial-scale

2019-05-25 / 2023-05-07

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Profile Details

Last technolgie detected on 2023-05-07 We know of 17 technologies on cnrs.fr and 29 technologies detected on cnrs.fr since 2019-05-25.




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