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Document Standards

Private Cache-Control Header

Private Cache-Control Header

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   The Cache-Control general-header field is used to specify directives for caching mechanisms in both requests and responses. Caching directives are unidirectional, meaning that a given directive in a request is not implying that the same directive is to be given in the response.


Must Revalidate HTTP Cache-Control

Must Revalidate HTTP Cache-Control

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   Indicates that once a resource has become stale (e.g. max-age has expired), a cache must not use the response to satisfy subsequent requests for this resource without successful validation on the origin server.

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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=0 secs.


Meta keywords

Meta keywords

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   Meta keywords are types of meta tags in the HTML source code of a webpage. They describe the content of a website shortly and concisely,this website is using the following keywords: k

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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.


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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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.


XSS-Protection Header

XSS-Protection Header

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   The HTTP X-XSS-Protection response header is a feature of Internet Explorer, Chrome and Safari that stops pages from loading when they detect reflected cross-site scripting (XSS) attacks. Although these protections are largely unnecessary in modern browsers when sites implement a strong Content-Security-Policy that disables the use of inline JavaScript (`unsafe-inline`), they can still provide protections for users of older web browsers that don`t yet support CSP.


HSTS - Browser HTTPS Only for domain and subdomains

HSTS - Browser HTTPS Only for domain and subdomains

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   The HTTP Strict-Transport-Security response header (often abbreviated as HSTS) lets a web site tell browsers that it should only be accessed using HTTPS, instead of using HTTP for domain and subdomainsfor 15724800 seconds




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.


Chunked transfer encoding

Chunked transfer encoding

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   Chunked transfer encoding is a streaming data transfer mechanism available in version 1.1 of the Hypertext Transfer Protocol (HTTP). In chunked transfer encoding, the data stream is divided into a series of non-overlapping "chunks"




Email Hosting Providers

G Suite

G Suite

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   formerly Google Apps for Work and Google Apps for Your Domain is a brand of cloud computing, productivity and collaboration tools, software and products developed by Google.

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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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Zendesk

Zendesk

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   Zendesk Inc. is a customer service software company headquartered in San Francisco, California, USA. It is listed on the New York Stock Exchange with the symbol ZEN and is a constituent of the Russell 2000 Index




Language

English - Language

English - Language

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   this website is using English as a language parameter




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.


manifest.json

manifest.json

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   The manifest.json file is the only file that every extension using WebExtension APIs must contain.




Operating Systems and Servers

Cloudflare

Cloudflare

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   Cloudflare, Inc. is an American web infrastructure and website security company, providing content delivery network services, DDoS mitigation, Internet security, and distributed domain name server services




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

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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  - initial-scale

Viewport - initial-scale

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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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Document Standards

Private Cache-Control Header

Private Cache-Control Header

2023-05-07 / 2023-05-07

|

Must Revalidate HTTP Cache-Control

Must Revalidate HTTP Cache-Control

2023-05-07 / 2023-05-07

|

Cache-Control Header Max-Age

Cache-Control Header Max-Age

2023-05-07 / 2023-05-07

|

Cloudflare Certificate Transparency

Cloudflare Certificate Transparency (removed)

2019-05-25 / 2019-05-25

|

HSTS - Browser HTTPS Only

HSTS - Browser HTTPS Only (removed)

2019-05-25 / 2019-05-25

|

Meta keywords

Meta keywords

2019-05-25 / 2023-05-07

|

X-Frame-Options Header

X-Frame-Options Header

2019-05-25 / 2023-05-07

|

Meta Description

Meta Description (removed)

2019-05-25 / 2019-05-25

|

Private Cache-Control Header

Private Cache-Control Header (removed)

2019-05-25 / 2019-05-25

|

Must Revalidate HTTP Cache-Control

Must Revalidate HTTP Cache-Control (removed)

2019-05-25 / 2019-05-25

|

Cache-Control Header Max-Age

Cache-Control Header Max-Age (removed)

2019-05-25 / 2019-05-25

|

Internet Explorer Compatibility

Internet Explorer Compatibility (removed)

2019-05-25 / 2019-05-25

|

Vary Header Accept-Encoding

Vary Header Accept-Encoding (removed)

2019-05-25 / 2019-05-25

|

Vary Header Accept-Encoding

Vary Header Accept-Encoding

2023-05-07 / 2023-05-07

|

Block Content Sniffing

Block Content Sniffing

2023-05-07 / 2023-05-07

|

XSS-Protection Header

XSS-Protection Header

2023-05-07 / 2023-05-07

|

HSTS - Browser HTTPS Only for domain and subdomains

HSTS - Browser HTTPS Only for domain and subdomains

2023-05-07 / 2023-05-07

|



Document Encoding

Character Encoding :utf-8

Character Encoding :utf-8

2019-05-25 / 2023-05-07

|

Gzip Content-Encoding

Gzip Content-Encoding

2023-05-07 / 2023-05-07

|

Chunked transfer encoding

Chunked transfer encoding

2019-05-25 / 2023-05-07

|



Email Hosting Providers

G Suite

G Suite

2023-05-07 / 2023-05-07

|

SPF

SPF

2019-05-25 / 2023-05-07

|

G Suite

G Suite (removed)

2019-05-25 / 2019-05-25

|

Zendesk

Zendesk

2019-05-25 / 2023-05-07

|



Language

English - Language

English - Language

2019-05-25 / 2023-05-07

|



Analytics and Tracking

Google Analytics

Google Analytics (removed)

2019-05-25 / 2019-05-25

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Widgets

Twitter Cards

Twitter Cards

2019-05-25 / 2023-05-07

|

manifest.json

manifest.json

2023-05-07 / 2023-05-07

|



Operating Systems and Servers

Cloudflare

Cloudflare

2019-05-25 / 2023-05-07

|



Mobile

Viewport  - Width

Viewport - Width

2019-05-25 / 2023-05-07

|

Viewport  - Mobile compatible

Viewport - Mobile compatible

2019-05-25 / 2023-05-07

|

Viewport  - initial-scale

Viewport - initial-scale

2019-05-25 / 2023-05-07

|



Profile Details

Last technolgie detected on 2023-05-07 We know of 22 technologies on codecademy.com and 32 technologies detected on codecademy.com since 2019-05-25.




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