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Глоссарий конфиденциальной песочницы

Статьи и документация Privacy Sandbox предполагают знание концепций из области конфиденциальности, рекламы и веб-разработки. Этот глоссарий объясняет ключевые термины, связанные с Privacy Sandbox.

Аукцион рекламы (API защищенной аудитории)

В API Protected Audience аукцион рекламы запускается продавцом (вероятно, SSP или, возможно, самим издателем) в коде JavaScript в браузере на устройстве пользователя для продажи рекламного места на сайте, на котором отображаются объявления.

Рекламный креатив, креативный

Ad creative refers to the contents of the ad served to users. Creatives can be images, videos, audio, and other formats. Creatives live within an ad space, and are served by ad tech within line items.

Обмен рекламой

An ad exchange is a platform to automate buying and selling of ad inventory from multiple ad networks.

Рекламный инвентарь, рекламное пространство

Ad inventory space is the space or spaces for ads that are available from a site that sells ad space.

Рекламная платформа (рекламные технологии)

An ad platform is a company that provides services to deliver ads.

Рекламодатель

An advertiser is a company that pays to advertise its products.

Агрегированный отчетный учет

A distributed ledger, located in both coordinators, that tracks the allocated privacy budget and enforces the 'No Duplicates' rule. This is the privacy preserving mechanism, located and run within coordinators, that ensures no reports pass through the Aggregation Service beyond the allocated privacy budget.

Агрегированный отчет по бухгалтерскому бюджету

References to the budget that ensures individual reports are not processed more than once.

Агрегируемые отчеты

Aggregatable reports are encrypted reports sent from individual user devices. These reports contain data about cross-site user behavior and conversions. Conversions (sometimes called attribution trigger events) and associated metrics are defined by the advertiser or ad tech. Each report is encrypted to prevent various parties from accessing the underlying data.

Learn more about aggregatable reports.

Агрегация услуг

An ad tech-operated service that processes aggregatable reports to create a summary report.

Read more about the Aggregation Service backstory in our explainer and the full terms list.

API-вызывающий

An API caller is an entity, such as an app, a third-party SDK, or a website, that makes a request to the Topics API to access a user's interests.

Подтверждение

A mechanism to authenticate software identity, usually with cryptographic hashes or signatures. For the aggregation service proposal, attestation matches the code running in your ad tech-operated aggregation service with the open source code.

Атрибуция

Attribution refers to the identification of user actions that contribute to an outcome.

For example, a correlation of ad clicks or views with conversions.

Моргнуть

Blink is the rendering engine used by Chrome, developed as part of the Chromium project.

Покупатель

A buyer is a party bidding for ad space in an ad auction, likely to be a DSP, or maybe the advertiser itself. Ad space buyers own and manage interest groups.

Publishers make ad inventory available through marketplaces called ad exchanges, and buyers compete in real time through a DSP for the opportunity to place their advertisement.

Learn about ad space buyers in the Protected Audience API.

Хром

Chromium is an open-source web browser project. Chrome, Microsoft Edge, Opera and other browsers are based on Chromium.

Конверсия по кликам (CTC)

A click-through conversion is a conversion attributed to an ad that was clicked.

Показатель кликабельности (CTR)

The click-through rate is the ratio of users who click on an ad, having seen it.

Вклад в облигации

Aggregatable reports may contain an arbitrary number of counter increments. For example, a report may contain a count of products that a user has viewed on an advertiser's site. The sum of increments in all aggregatable reports related to a single source event must not exceed a given limit, such as L1=2^16 (65,536).

Learn more in the aggregatable reports explainer.

Конверсия

A conversion is the completion of some desired goal following action by a user.

For example, a conversion may occur with the purchase of a product or sign-up for a newsletter after clicking an ad that links to the advertiser's site.

Файл cookie – это небольшой фрагмент текстовых данных, который веб-сайты могут хранить в браузере пользователя. Файлы cookie могут использоваться веб-сайтом для сохранения информации, связанной с пользователем (или ссылки на данные, хранящиеся на внутренних серверах веб-сайта), при перемещении пользователя по сети.

Например, интернет-магазин может сохранять данные корзины покупок, даже если пользователь не вошел в систему, или сайт может записывать действия пользователя на своем сайте. См. раздел «Основные файлы cookie» и «Сторонние файлы cookie» .

Координатор

Entities responsible for key management and aggregatable report accounting. A Coordinator maintains a list of hashes of approved aggregation service configurations and configures access to decryption keys.

Грубые данные

Coarse data refers to limited information provided by Attribution Reporting API event-level reports. This is limited to 3 pieces of conversion data for clicks and 1 piece for views. Specific, granular conversion data (such as specific prices of items and timestamps) are not included.

Платформа управления данными (DMP)

A data management platform is software used to collect and manage data relevant for advertisers. These platforms help advertisers and publishers identify audience segments, which can then be used for campaign targeting.

Learn more about DMPs.

Платформа спроса (DSP)

A demand-side platform is an ad tech service used to automate ad purchasing. DSPs are used by advertisers to buy ad impressions across a range of publisher sites.

Дифференциальная конфиденциальность

Differential privacy refers to techniques to allow sharing of information about a dataset to reveal patterns of behaviour without revealing private information about individuals or whether they belong to the dataset.

Домен

Домен. См. Домен верхнего уровня и eTLD .

Энтропия

Entropy, in the privacy domain, is a measure of how much an item of data reveals individual identity.

Data entropy is measured in bits. The more that data reveals identity, the higher its entropy value.

Data can be combined to identify an individual, but it can be difficult to work out whether new data adds to entropy. For example, knowing a person is from Australia doesn't reduce entropy if you already know the person is from Kangaroo Island.

Эпоха

In the Topics API, an epoch is the period of time during which the browser infers topics for a user based on their browsing activity. It is currently set to one week.

eTLD, eTLD+1

eTLDs are effective top-level domains (TLD), which are defined by the Public Suffix List.

For example:

co.uk 
github.io 
glitch.me

Effective TLDs are what allow foo.appspot.com to be a different site from bar.appspot.com. The eTLD in this case is appspot.com, and the whole site name (foo.appspot.com, bar.appspot.com) is known as the eTLD+1.

Отчет на уровне события

Event-level reports associate a particular ad click or view (on the ad side) with data on the conversion side. To preserve user privacy by limiting the joining of user identity across sites, conversion-side data is very limited, and the data is noisy.

API управления федеративными учетными данными (FedCM)

Federated Credential Management API is a proposal for a privacy-preserving approach to federated identity services. This will allow users to log into sites without sharing their personal information with the identity service or the site.

FedCM was previously known as WebID, and is still in development in the W3C.

Федеративная идентификация (федеративный вход)

Federated identity is a third-party platform to allow a user to sign in to a website, without requiring the site to implement their own identity service.

Огороженная рама

A (<fencedframe>) is a proposed HTML element for embedded content, similar to an iframe. Unlike iframes, a fenced frame restricts communication with its embedding context to allow the frame access to cross-site data without sharing it with the embedding context.

Some Privacy Sandbox APIs may require select documents to render within a fenced frame. Learn more about the Fenced Frames proposal.

Дактилоскопирование

Fingerprinting encompasses techniques to identify and track the behaviour of individual users.

Fingerprinting uses mechanisms that users aren't aware of and can't control.

Поверхность для снятия отпечатков пальцев

A fingerprinting surface is something that can be used (probably in combination with other surfaces) to identify a particular user or device.

For example, the navigator.userAgent() JavaScript method and the User-Agent HTTP request header provide access to a fingerprinting surface (the User-Agent string).

Первая сторона

First party refers to resources from the site you're visiting.

For example, the page you're reading is on the site developer.chrome.com and includes resources requested from this site. Requests for those first-party resources are called 'first-party requests'. Cookies from developer.chrome.com stored while you're on this site are called first-party cookies.

I2E

Намерение экспериментировать (I2E) — это объявление о плане сделать новую функцию Blink доступной для пользователей для тестирования, обычно через пробную версию Origin .

I2EE

Intent to Extend Experiment (I2EE) — это объявление о плане продления срока первоначального пробного периода .

I2P

Intent to Prototype (I2P) is the first stage in developing a new feature in Blink. The announcement is posted to the blink-dev mailing list with a link to the proposal for discussion.

I2S

Intent to Ship (I2S) is an announcement of a plan to make a new feature of Blink available to users in stable versions of Chrome.

Впечатление

Impression could refer to either:

View of an ad. See also click-through rate.
An ad slot: the HTML markup (usually <div> tags) on a web page where an ad can be displayed. Ad slots constitute inventory.

Реклама на основе интересов (IBA)

Interest-based advertising (IBA) is a form of personalized advertising in which an ad is selected for a user based on their interests, inferred from the user's activity: the sites they've recently visited on the web, or the apps they used on Android. This is different from contextual advertising, which aims to match ads to the content the user is viewing.

Группа по интересам

In the Protected Audience API, formerly FLEDGE, an interest group represents a group of people with a common interest, corresponding to a remarketing list.

Every interest group has an owner. Different types of owners will create different types of interest groups with different use cases.

Инвентарь

Inventory is the ad slots available on a site. Ad slots are the HTML markup (usually <div> tags) where ads can be displayed.

к-анонимность

K-anonymity is the measure of anonymity within a data set. If you have k anonymity, you can't be distinguished from k-1 other individuals in the data set. In other words, k individuals have the same information (including you).

Шум и масштабирование

Statistical noise that is added to summary reports during the aggregation process to preserve privacy and ensure the final reports provide anonymized measurement information.

Read more about additive noise mechanism, which is drawn from Laplace distribution.

Случайно

Nonce — это произвольное число, используемое только один раз в криптографической связи.

Источник

Источник определяется схемой (протоколом), именем хоста (доменом) и портом URL-адреса, используемого для доступа к нему.

Например: https://developer.chrome.com .

Исходный суд

Origin trials are trials that provide access to a new or experimental feature, to make it possible to build functions that users can try out for a limited time before the feature is made available to everyone.

When Chrome offers an origin trial for a feature, an origin can be registered for the trial to allow the feature for all users on that origin, without requiring users to toggle flags or switch to an alternative build of Chrome (though they may need to upgrade). Origin trials allow developers to build demos and prototypes using new features. The trials help Chrome engineers understand how new features are used, and how they may interact with other web technologies.

Find out more: Getting started with Chrome's origin trials.

Пассивная поверхность

Passive surfaces are fingerprinting surfaces—such as User-Agent strings, IP addresses, and Accept-Language headers—that are available to every website, whether the site asks for them or not.

Passive surfaces can easily consume a site's privacy budget.

The Privacy Sandbox initiative proposes replacing passive surfaces with active ways to get specific information, for example using Client Hints a single time to get the user's language rather than having an Accept-Language header for every response to every server.

API защищенной аудитории

The Protected Audience API is the new name for the FLEDGE API.

Издатель

In the Privacy Sandbox context, a publisher is a site with ad space that is paid to display ads.

Достигать

Reach represents the total number of people who see an ad or who visit a web page that displays the ad.

Торги в реальном времени (RTB)

Real-time bidding refers to an automated auction for buying and selling ad impressions on websites, completed during page load.

Ремаркетинг

Remarketing is the practice of advertising to people who've already visited your site on other sites.

For example, an online store could show ads for a toy sale to people who previously viewed toys on their site.

Отчет о происхождении

The entity that receives aggregatable reports—in other words, you or an ad tech that called the Attribution Reporting API. Aggregatable reports are sent from user devices to a well-known URL associated with the reporting origin. The reporting origin is designated during enrollment.

Коэффициент масштабирования

Scaling factor, in the context of the Attribution Reporting API, refers an amount by which you choose to multiply an aggregatable value. Scaling impacts the effect of noise and your contribution budget.

Продавец

A seller is the party running an ad auction, likely to be an SSP or maybe the publisher itself.

Общий идентификатор

A computed value that consists of shared_info, reporting_origin, destination_site (for Attribution Reporting API only), source_registration-time (for Attribution Reporting API only), scheduled_report_time, and version.

Multiple reports that share the same attributes in the shared_info field should have the same shared ID. Shared IDs play an important role within Aggregatable Report Accounting.

Сайт

A site is equivalent to an eTLD+1 along with a scheme (protocol).

Разделение хранилища

Storage partitioning is a mechanism in Chrome to prevent certain types of side-channel cross-site tracking, Chrome is partitioning storage and communications APIs in third-party contexts.

Storage partitioning prevents a site from joining data across different sites to track the user across the web.

Сводный отчет

An Attribution Reporting API and Private Aggregation API report type. A summary report includes aggregated user data, and can contain detailed conversion data with noise added. Summary reports are made up of aggregate reports. They allow for greater flexibility and provide a richer data model than event-level reporting, particularly for some use-cases like conversion values.

Платформа со стороны предложения, Платформа со стороны продажи

A supply-side platform is an ad tech service used to automate selling ad inventory. SSPs allow publishers to offer their inventory (empty rectangles where ads will go) to multiple ad exchanges, DSPs, and networks. This enables a wide range of potential buyers to bid for ad space.

Поверхность

Surface. See Fingerprinting surface and Passive surface.

Third party refers to resources served from a domain that's different from the website you're visiting.

For example, a website foo.com might use analytics code from google-analytics.com (via JavaScript), fonts from use.typekit.net (via a link element) and a video from vimeo.com (in an iframe). See also First-party.

Сторонний файл cookie – это файл cookie, хранящийся сторонней службой.

Например, веб-сайт с видео может включать кнопку «Смотреть позже» во встроенном проигрывателе, позволяющую пользователю добавить видео в свой список желаний, не заставляя его переходить на видеосайт.

См. также Основные файлы cookie .

Домен верхнего уровня (TLD)

Top-level domains such as .com and .org are listed in the Root Zone Database.

Тема

A topic is a human-readable topic of interest of a user and is part of the Topics taxonomy.

Темы таксономии

The Topics taxonomy is a public, human-curated, human-readable hierarchy of categories that the Topics API uses to represent users' interests.

Надежная среда выполнения (TEE)

Безопасная конфигурация компьютерного оборудования и программного обеспечения, позволяющая внешним сторонам проверять точные версии программного обеспечения, работающего на компьютере, не опасаясь раскрытия информации. TEE позволяют внешним сторонам проверять, что программное обеспечение делает именно то, что заявляет производитель программного обеспечения, — ни больше, ни меньше.

Чтобы узнать больше о TEE, используемых в предложениях Privacy Sandbox, прочтите пояснение к службам API защищенной аудитории и объяснение службы агрегации .

Подсказки клиента User-Agent (UA-CH)

User-agent client hints provide specific pieces of the User-Agent string on explicit request. This helps reduce passive surfaces in the User-Agent string which may lead to user identification or covert tracking.

UA-CH is sometimes referred to as "Client Hints."

Строка User-Agent

A user-agent string is an HTTP header used by servers and network peers to request identifying information about an application, operating system, vendor, or version of a user agent. The User-Agent string broadcasts a large string of data, which is problematic for user privacy. User-Agent reduction is proposed to remove sensitive information and reduce passive fingerprinting.

.известный

.well-known is a file used to add redirects to a website from standardized URLs.

For example, password managers can make it easier for users to update passwords if a website sets a redirect from /.well-known/change-password to the change password page of the site.

In addition, it can be useful to access policy or other information about a host before making a request. For example, robots.txt tells web crawlers which pages to visit and which pages to ignore. IETF RFC8615 outlines a standardized way to make site-wide metadata accessible in standard locations in a /.well-known/ subdirectory.

See a list of recommendations for .well-known at iana.org/assignments/well-known-uris/well-known-uris.xhtml.

Ворклет

A worklet allows you to run specific JavaScript functions and return information back to the requester. Within a worklet, you can execute JavaScript but you cannot interact or communicate with the outside page.

Worklets are used to store and extract data with the Shared Storage API.