b21block.com

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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.


Cloudflare Certificate Transparency

Cloudflare Certificate Transparency

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   The Expect-CT header allows sites to opt in to reporting and/or enforcement of Certificate Transparency requirements, which prevents the use of misissued certificates for that site from going unnoticed.


X-Cache HTTP Header

X-Cache HTTP Header

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   The resource was not in the website cache, and was pulled from the origin server like Varnish servers.


Meta Description

Meta Description

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   A meta description is a 160-character snippet, a meta tag in HTML, that summarizes a page`s content. this website is having meta description of the following : Let us be your guide to navigating the Cryptocurrency and Blockchain ecosystem through our online courses, video tutorials, and podcast episodes which are shared with over 100,000 learners.


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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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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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  - 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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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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Language

English - Language

English - Language

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   this website is using English as a language parameter




Content Delivery Network

Google Hosted Libraries

Google Hosted Libraries

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   The Google Hosted Libraries is a stable, reliable, high-speed, globally available content distribution network for the most popular, open-source JavaScript libraries.


JSDelivr

JSDelivr

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   JSDelivr (stylized as jsDelivr) is a free public CDN for open-source projects.

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JavaScript Libraries and Functions

webfont  1.6.26

webfont 1.6.26

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   Web Font Loader gives you added control when using linked fonts via @font-face.

source: None

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Analytics and Tracking

Google Analytics

Google Analytics

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   Google Analytics is a web analytics service offered by Google that tracks and reports website traffic, currently as a platform inside the Google Marketing Platform brand.

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Framworks

ASP.NET

ASP.NET

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   ASP.NET is an open-source server-side web application framework designed for web development to produce dynamic web pages.

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Varnish

Varnish

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   Varnish is an HTTP accelerator designed for content-heavy dynamic web sites as well as APIs. In contrast to other web accelerators, such as Squid, which began life as a client-side cache, or Apache and nginx, which are primarily origin servers, Varnish was designed as an HTTP accelerator.




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.




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




Document Standards

Private Cache-Control Header

Private Cache-Control Header

2021-08-12 / 2021-08-12

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Cloudflare Certificate Transparency

Cloudflare Certificate Transparency

2021-08-12 / 2021-08-12

|

X-Cache HTTP Header

X-Cache HTTP Header (removed)

2019-05-26 / 2019-05-26

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Meta Description

Meta Description (removed)

2019-05-26 / 2019-05-26

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Vary Header Accept-Encoding

Vary Header Accept-Encoding (removed)

2019-05-26 / 2019-05-26

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Document Encoding

Character Encoding :utf-8

Character Encoding :utf-8

2021-08-12 / 2021-08-12

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Gzip Content-Encoding

Gzip Content-Encoding

2021-08-12 / 2021-08-12

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Chunked transfer encoding

Chunked transfer encoding

2021-08-12 / 2021-08-12

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Email Hosting Providers

G Suite

G Suite (removed)

2019-05-26 / 2019-05-26

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SPF

SPF (removed)

2019-05-26 / 2019-05-26

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Mobile

Viewport  - Width

Viewport - Width (removed)

2019-05-26 / 2019-05-26

|

Viewport  - initial-scale

Viewport - initial-scale (removed)

2019-05-26 / 2019-05-26

|

Viewport  - Mobile compatible

Viewport - Mobile compatible (removed)

2019-05-26 / 2019-05-26

|

Viewport  - Width

Viewport - Width

2021-08-12 / 2021-08-12

|

Viewport  - initial-scale

Viewport - initial-scale

2021-08-12 / 2021-08-12

|

Viewport  - Mobile compatible

Viewport - Mobile compatible

2021-08-12 / 2021-08-12

|



Language

English - Language

English - Language

2021-08-12 / 2021-08-12

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Content Delivery Network

Google Hosted Libraries

Google Hosted Libraries (removed)

2019-05-26 / 2019-05-26

|

JSDelivr

JSDelivr

2021-08-12 / 2021-08-12

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JavaScript Libraries and Functions

webfont  1.6.26

webfont 1.6.26 (removed)

2019-05-26 / 2019-05-26

|



Analytics and Tracking

Google Analytics

Google Analytics (removed)

2019-05-26 / 2019-05-26

|



Framworks

ASP.NET

ASP.NET

2021-08-12 / 2021-08-12

|

Varnish

Varnish (removed)

2019-05-26 / 2019-05-26

|



Widgets

Twitter Cards

Twitter Cards (removed)

2019-05-26 / 2019-05-26

|



Operating Systems and Servers

Cloudflare

Cloudflare

2021-08-12 / 2021-08-12

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Profile Details

Last technolgie detected on 2021-08-12 We know of 22 technologies on b21block.com and 25 technologies detected on b21block.com since 2019-05-26.




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