pearson.com.hk

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Document Standards

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=900 secs.


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 31536000 seconds


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.




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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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




Widgets

Google Tag Manager

Google Tag Manager

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   Google Tag Manager is a tag management system created by Google to manage JavaScript and HTML tags used for tracking and analytics on websites (variants of e-marketing tags, sometimes referred to as tracking pixels or web beacons.

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Web Hosting Providers

Amazon Elastic Load Balancing

Amazon Elastic Load Balancing

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   Elastic Load Balancing automatically distributes incoming application traffic across multiple targets, such as Amazon EC2 instances, containers, IP addresses




Operating Systems and Servers

Apache

Apache

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   The Apache HTTP Server, colloquially called Apache, is free and open-source cross-platform web server software, released under the terms of Apache License 2.0. Apache is developed and maintained by an open community of developers under the auspices of the Apache Software Foundation.


Apache 2.2.15 |Operating System:CentOS

Apache 2.2.15 |Operating System:CentOS

Download List of All Websites using Apache 2.2.15 |Operating System:CentOS

   The Apache HTTP Server, colloquially called Apache, is free and open-source cross-platform web server software, released under the terms of Apache License 2.0. Apache is developed and maintained by an open community of developers under the auspices of the Apache Software Foundation.




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.




Document Encoding

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.




Document Standards

Public Cache-Control

Public Cache-Control

2023-05-09 / 2023-05-09

|

Cache-Control Header Max-Age

Cache-Control Header Max-Age

2023-05-09 / 2023-05-09

|

HSTS - Browser HTTPS Only for domain and subdomains

HSTS - Browser HTTPS Only for domain and subdomains

2023-05-09 / 2023-05-09

|

Vary Header Accept-Encoding

Vary Header Accept-Encoding

2023-05-09 / 2023-05-09

|

Block Content Sniffing

Block Content Sniffing

2023-05-09 / 2023-05-09

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Email Hosting Providers

SPF

SPF

2021-08-02 / 2023-05-09

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Mobile

Viewport  - Width

Viewport - Width

2023-05-09 / 2023-05-09

|

Viewport  - initial-scale

Viewport - initial-scale

2023-05-09 / 2023-05-09

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Viewport  - Mobile compatible

Viewport - Mobile compatible

2023-05-09 / 2023-05-09

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Language

English - Language

English - Language

2023-05-09 / 2023-05-09

|



Widgets

Google Tag Manager

Google Tag Manager

2023-05-09 / 2023-05-09

|



Web Hosting Providers

Amazon Elastic Load Balancing

Amazon Elastic Load Balancing

2023-05-09 / 2023-05-09

|



Operating Systems and Servers

Apache

Apache

2023-05-09 / 2023-05-09

|

Apache 2.2.15 |Operating System:CentOS

Apache 2.2.15 |Operating System:CentOS (removed)

2021-08-02 / 2021-08-02

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Web Servers

Server partial requests support

Server partial requests support

2021-08-02 / 2023-05-09

|



Document Encoding

Gzip Content-Encoding

Gzip Content-Encoding

2023-05-09 / 2023-05-09

|



Profile Details

Last technolgie detected on 2023-05-09 We know of 16 technologies on pearson.com.hk and 16 technologies detected on pearson.com.hk since 2021-08-02.




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