Cookie Policy


Cookie details

At Packt we use cookies to make our websites easier to use and to help tailor content to you. This policy is intended to inform you about what cookies are; what the cookies we use are for and to help provide you options on how to manage or delete them.

What is a cookie?

A cookie is a small text file which is sent from our or a third party web server, and placed on your computer (laptop, mobile device etc.) when you browse the Packt website or use our mobile apps. They hold only a modest amount of data, and allow the web server to recognise your computer's browser and respond accordingly.
You can find more information about cookies at and

We use cookies and similar technologies (“Cookies”) on and the Packt mobile application (the “Sites”) for identification, analysis and advertising purposes. By using our Sites you consent to the storing and accessing of Cookies on your device.

This Cookie Policy should also be read in conjunction with our  Privacy Policy and our  Terms and Conditions.

Cookies are very small text documents or pieces of software code, which often include an anonymous unique identifier. When you visit a website or use a mobile application, a computer asks your PC or mobile device for permission to store this file on your computer or mobile device and access information from it. Information gathered through Cookies include the date and time of visits and how you are using the website or mobile application.

Cookies are used by us and our third party partners as part of our Sites. Details of the Cookies used on our Sites and any applicable third party partner are set out in the table below.

For more details on Cookies please visit

Our use of cookies generally requires your consent
When you first access our Sites you will be informed we use Cookies and linked to our cookie policy which will provide details of how to remove cookies.

Our Sites also uses Cookies for which we do not require your consent. This Cookie Policy refers to these Cookies as “Strictly Necessary Cookies” and without them the services that you have asked for cannot be provided.

Blocking cookies

You can consent to, or block the use of, specific Cookies by activating the relevant settings in your browser or by following the links below.

For more information on Cookie management and blocking Cookies for a wide variety of browsers, please visit

What happens when you do not consent to cookies and or you choose to block cookies that you have previously accepted?

In order to use some parts of our sites you will need to consent to Cookies. If you choose to withhold consent, or subsequently block cookies, some aspects of our sites may not work properly and you may not be able to access all or part of our sites.

What cookies do we use?

The list below sets out more information about the individual Cookies used on our Sites and the purposes for which they are used:

Packtpub login cookies (token_live, access_token_live, refresh_token_live, SESS_live)
These are cookies that are used to manage your login to our various systems. Without these, you will not be able to remain logged in to the system.
Type: Strictly Necessary

This is an A/B testing tool that allows us to serve different content to our users. We use the data to identify the best experience for our customers, helping us to improve and optimise our Sites for future visitors. All cookie data is anonymous and we’ll never share it with any third parties.
Type: Testing

Google Analytics _utma _utmz
These cookies help us make the most of the money we spend on advertising. Google Analytics uses these cookies to discover when you first visited our site, how often you come back and how long you spend shopping. The information stored by these cookies can be seen only by the relevant teams at Packt and Google and never shows any confidential information.
Type: Analytics 'share' tools
We know you love to share the great content we have on Please be aware that social networking sites, like Facebook and Twitter, might send cookies. We don't control the setting of these third-party cookies, so we suggest you check the third-party websites for more information about their cookies and how to manage them.

The business partners that may set cookies on include:
You can also opt out of Criteo’s service by visiting the following links. Please note that these platforms allow you to opt out of interest-based advertising delivered by registered members on the current browser you are using.
For US:
• Network Advertising Initiative opt-out platform
• DAA Opt-Out Platform
For EU:
• IAB Europe opt-out platform