Overview#
Tracking are techniques used in the:- Data curation
- Data Store (performed by Data Controllers and maybe Data Processors)
- Data processing (performed by Data Processor)
Types of Tracking#
- Cross-site tracking is tracking across multiple first party websites; tracking between websites and apps; or the retention, use, or sharing of data from that activity with parties other than the first party on which it was collected.
- Stateful tracking is tracking using storage on the user’s device. This storage can be ephemeral or persistent. Such storage includes but is not limited to cookies, DOM storage, IndexedDB, the HTTP cache and other caches, HSTS, and media keys. It also includes tracking via communication mechanisms that are potentially accessible cross-site, such as Service Workers or Broadcast Channels.
- Covert stateful tracking is stateful tracking which uses mechanisms that are not intended for general-purpose storage, such as HSTS or TLS.
- Navigational tracking is tracking through information controlled by the source of a top-level navigation or a subresource load, transferred to the destination. This includes URL parameter-based tracking or link decoration, which is tracking via information added to URLs, and HTTP header data that can be set up to include tracking information, such as the referrer.
- Fingerprinting, or stateless tracking, is tracking based on the properties of the user’s behavior and computing environment, without the need for explicit client-side storage. This includes properties of user’s web browser and its configuration, the user’s device and its configuration, the user’s location, or the user’s network connection. Fingerprinting vectors include but are not limited to installed fonts, the user agent string, GPU details, CPU details, IP address, and TLS connection.
- Covert tracking includes covert stateful tracking, fingerprinting, and any other methods that are similarly hidden from user visibility and control.
- Tracking may also be performed using currently unknown techniques that do not fall into these categories.
Tracking HTTP#
Tracking includes collection, retention, and use of all data related to the HTTP Request and HTTP Response. (DNT)More Information#
There might be more information for this subject on one of the following:- [#1] - WebKit Tracking Prevention Policy
- based on information obtained 2019-08-19
- [#2] - Mozilla Anti tracking policy - based on information obtained 2019-08-19
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