What data does Piwik PRO collect?

Piwik PRO can collect lots of data about how visitors use your website or mobile app. At its most basic, it will collect:

Visitor’s IP address
Network location
Time of visit
Pages (or screens) viewed by a visitor (a page URL and page title)
Time spent on each page
Referring website
Type of device
Type of web browser
Type of operating system (OS)
Downloads (clicks on downloadable files)
Clicks on links leading to external websites
Page generation time
Internal search data

Other data can be collected after you set additional tracking:

Custom dimensions
Goals
Custom events such as form submissions, page scrolls, button clicks, and the like
Ecommerce
Interactions with content on a page
And more

Some of collected data may be considered as personal data or personally identifiable data. To collect them in countries with applicable privacy law, you need to receive consent from a visitor. Here’s data that can be personal or personally identifiable:

Visitor’s IP address
User ID (when it contains an email or full name)
Visitor ID (an ID set in a cookie)
Device ID (when you track mobile apps)
Custom dimensions (may store personal data)
Custom variables (may store personal data)
Data from forms
Combination of a browser, city, and unique operating system (aka fingerprint, can be treated as personal data)
And more

Here’s a full list of all data collected by Piwik PRO with marked data that may show visitor’s identity.

Analytics

Session description

Data	Visitor’s identity	Description
session_custom_dimension_1	Maybe	A custom data point collected as a result of a custom setup.
session_custom_dimension_2	Maybe	A custom data point collected as a result of a custom setup.
session_custom_dimension_3	Maybe	A custom data point collected as a result of a custom setup.
session_custom_dimension_4	Maybe	A custom data point collected as a result of a custom setup.
session_custom_dimension_5	Maybe	A custom data point collected as a result of a custom setup.
session_custom_variable_key_1	No	A custom data point collected as a result of a custom setup.
session_custom_variable_key_2	No	A custom data point collected as a result of a custom setup.
session_custom_variable_key_3	No	A custom data point collected as a result of a custom setup.
session_custom_variable_key_4	No	A custom data point collected as a result of a custom setup.
session_custom_variable_key_5	No	A custom data point collected as a result of a custom setup.
session_custom_variable_value_1	Maybe	A custom data point collected as a result of a custom setup.
session_custom_variable_value_2	Maybe	A custom data point collected as a result of a custom setup.
session_custom_variable_value_3	Maybe	A custom data point collected as a result of a custom setup.
session_custom_variable_value_4	Maybe	A custom data point collected as a result of a custom setup.
session_custom_variable_value_5	Maybe	A custom data point collected as a result of a custom setup.
session_ecommerce_status	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_entry_title	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_entry_url	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_exit_title	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_exit_url	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_goals	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_second_title	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_second_url	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_total_abandoned_carts	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_total_content_impressions	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_total_content_interactions	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_total_custom_events	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_total_downloads	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_total_ecommerce_conversions	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_total_events	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_total_goal_conversions	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_total_goal_revenue	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_total_lost_revenue	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_total_outlinks	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_total_page_views	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_total_revenue	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_total_site_searches	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_total_time	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_unique_content_impressions	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_unique_content_interactions	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_unique_custom_events	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_unique_downloads	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_unique_outlinks	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_unique_page_views	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_unique_searches	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
user_id	Yes	A custom data point collected as a result of a custom setup. Serves as the primary user ID.
visitor_days_since_first_session	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
visitor_days_since_last_session	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
visitor_days_since_order	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
visitor_id	Yes	An ID generated by the tracker and saved in a cookie in the visitor’s browser. The ID is passed to the tracker to determine the visitor’s identity.
visitor_returning	No	Set when creating a session after checking visitor’s identity in previously collected data.
visitor_session_number	No	Set when creating a session after checking visitor’s identity in previously collected data.

Event description

Data	Visitor’s identity	Description
is_bounce	No	Assigned to the event after collecting data.
content_interaction	No	Description of the content interaction event.
content_name	No	Description of the content interaction event.
content_piece	No	Description of the content interaction event.
content_target	No	Description of the content interaction event.
custom_event_action	No	A custom data point collected as a result of a custom setup.
custom_event_category	No	A custom data point collected as a result of a custom setup.
custom_event_name	No	A custom data point collected as a result of a custom setup.
custom_event_value	No	A custom data point collected as a result of a custom setup.
download_url	No	Description of the download event.
event_custom_dimension_1	Maybe	A custom data point collected as a result of a custom setup.
event_custom_dimension_2	Maybe	A custom data point collected as a result of a custom setup.
event_custom_dimension_3	Maybe	A custom data point collected as a result of a custom setup.
event_custom_dimension_4	Maybe	A custom data point collected as a result of a custom setup.
event_custom_dimension_5	Maybe	Value of the abandoned cart.
event_custom_variable_key_1	No	A custom data point collected as a result of a custom setup.
event_custom_variable_key_2	No	A custom data point collected as a result of a custom setup.
event_custom_variable_key_3	No	A custom data point collected as a result of a custom setup.
event_custom_variable_key_4	No	A custom data point collected as a result of a custom setup.
event_custom_variable_key_5	No	A custom data point collected as a result of a custom setup.
event_custom_variable_value_1	Maybe	A custom data point collected as a result of a custom setup.
event_custom_variable_value_2	Maybe	A custom data point collected as a result of a custom setup.
event_custom_variable_value_3	Maybe	A custom data point collected as a result of a custom setup.
event_custom_variable_value_4	Maybe	A custom data point collected as a result of a custom setup.
event_custom_variable_value_5	Maybe	A custom data point collected as a result of a custom setup.
event_index	No	An index of the given event in the session event sequence. The sequence starts with 0.
event_title	No	Description of the event.
event_type	No	An event type like a page view, custom event, goal conversion, and more.
event_url	No	A URL of the page view or a URL of the page view associated with the event.
goal_revenue	No	Revenue that can optionally be tracked along with the goal.
is_entry	No	Set after collecting data. It determines if the page view is an entry of the session.
is_exit	No	Set after collecting data. It determines if the page view is an entry of the session.
item_count	No	Description of an ecommerce cart. Tracked if there is a custom JavaScript implementation.
items.category1	No	Description of an item in an ecommerce cart. Tracked if there is a custom JavaScript implementation.
items.category2	No	Description of an item in an ecommerce cart. Tracked if there is a custom JavaScript implementation.
items.category3	No	Description of an item in an ecommerce cart. Tracked if there is a custom JavaScript implementation.
items.category4	No	Description of an item in an ecommerce cart. Tracked if there is a custom JavaScript implementation.
items.category5	No	Description of an item in an ecommerce cart. Tracked if there is a custom JavaScript implementation.
items.name	No	Description of an item in an ecommerce cart. Tracked if there is a custom JavaScript implementation.
items.price	No	Description of an item in an ecommerce cart. Tracked if there is a custom JavaScript implementation.
items.quantity	No	Description of an item in an ecommerce cart. Tracked if there is a custom JavaScript implementation.
items.sku	No	Description of an item in an ecommerce cart. Tracked if there is a custom JavaScript implementation.
lost_revenue	No	Value of the abandoned cart. Tracked if there is a custom JavaScript implementation.
next_event_title	No	Set after collecting data as an additional dimension.
next_event_url	No	Set after collecting data as an additional dimension.
order_id	Yes	Ecommerce specific. Captured as a result of an additional setup. It is usually an identifier of an order. An order ID can be used to look up personally identifiable data in other systems.
outlink_url	No	Captured when a visitor clicks a link to an external website.
page_view_index	No	An iterator of page views within the session. It starts with 0.
previous_event_title	No	Set during collecting data as an additional dimension.
previous_event_url	No	Set during collecting data as an additional dimension.
revenue	No	Ecommerce specific. Captured as a result of an additional setup. It is usually an order revenue.
revenue_discount	No	Ecommerce specific (optional). Captured as a result of an additional setup. It is usually an order revenue.
revenue_shipping	No	Ecommerce specific (optional). Captured as a result of an additional setup. It is usually an order revenue.
revenue_subtotal	No	Ecommerce specific (optional). Captured as a result of an additional setup. It is usually an order revenue.
revenue_tax	No	Ecommerce specific (optional). Captured as a result of an additional setup. It is usually an order revenue.
search_category	No	Description of the search event. Tracked if there is a custom JavaScript implementation.
search_keyword	No	Description of the search event. Tracked if there is a custom JavaScript implementation.
search_results_count	No	Description of the search event. Tracked if there is a custom JavaScript implementation.
time_on_page	No	Time spent on the page, calculated as the difference between the timestamp of the page view and the next page view in the session. For the last page view during a session, time can be calculated using the optional heartbeat function.

Device & software

Data	Visitor’s identity	Description
browser_engine	Yes	Captured from the browser’s HTTP user-agent header.
browser_fingerprint	Yes	Captured from the browser’s HTTP user-agent header.
browser_language	Yes	Captured from the browser’s HTTP user-agent header.
browser_language_iso639	Yes	Captured from the browser’s HTTP user-agent header.
browser_name	Yes	Captured from the browser’s HTTP user-agent header.
browser_version	Yes	Captured from the browser’s HTTP user-agent header.
device_brand	Yes	Captured from the browser’s HTTP user-agent header.
device_model	Yes	Captured from the browser’s HTTP user-agent header.
device_type	Yes	Captured from the HTTP browser agent and parameters like resolution.
operating_system	Yes	Captured from the browser’s HTTP user-agent header.
operating_system_version	Yes	Captured from the browser’s HTTP user-agent header.
plugin_cookie	No	Captured using built-in JavaScript tracking methods.
plugin_director	No	Captured using built-in JavaScript tracking methods.
plugin_flash	No	Captured using built-in JavaScript tracking methods.
plugin_gears	No	Captured using built-in JavaScript tracking methods.
plugin_java	No	Captured using built-in JavaScript tracking methods.
plugin_pdf	No	Captured using built-in JavaScript tracking methods.
plugin_quicktime	No	Captured using built-in JavaScript tracking methods.
plugin_realplayer	No	Captured using built-in JavaScript tracking methods.
plugin_silverlight	No	Captured using built-in JavaScript tracking methods.
plugin_windowsmedia	No	Captured using built-in JavaScript tracking methods.
resolution	Yes	Captured using built-in JavaScript tracking methods.
resolution_height	Yes	Captured using built-in JavaScript tracking methods.
resolution_width	Yes	Captured using built-in JavaScript tracking methods.

Location

Data	Visitor’s identity	Description
location_city_geoname_id	Yes	Estimated based on the IP address using the GeoIP service.
location_city_name	Yes	Estimated based on the IP address using the GeoIP service.
location_continent_iso_code	Yes	Estimated based on the IP address using the GeoIP service.
location_country_iso_code	Yes	Estimated based on the IP address using the GeoIP service.
location_country_name	Yes	Estimated based on the IP address using the GeoIP service.
location_ipv4	Yes	An IP is an integral part of requests sent by the browser, and it is used for the identification of unique visitors as well as geolocation. The majority of Piwik PRO setups have privacy settings turned on, and those addresses are anonymized before they are saved in the database.
location_ipv6	Yes	An IP is an integral part of requests sent by the browser, and it is used for the identification of unique visitors as well as geolocation. The majority of Piwik PRO setups have privacy settings turned on, and those addresses are anonymized before they are saved in the database.
location_latitude	Yes	Estimated based on the IP address using the GeoIP service.
location_longitude	Yes	Estimated based on the IP address using the GeoIP service.
location_metro_code	Yes	Estimated based on the IP address using the GeoIP service.
location_organization	Yes	Estimated based on the IP address using the GeoIP service.
location_provider	Yes	Estimated based on the IP address using the GeoIP service.
location_subdivision_1_iso_code	Yes	Estimated based on the IP address using the GeoIP service.
location_subdivision_1_name	Yes	Estimated based on the IP address using the GeoIP service.
location_subdivision_2_iso_code	Yes	Estimated based on the IP address using the GeoIP service.
location_subdivision_2_name	Yes	Estimated based on the IP address using the GeoIP service.

Timestamps

Data	Visitor’s identity	Description
local_time	No	Captured from the HTTP request content.
server_date	No	Captured from the HTTP request content.
server_time	No	Captured from the HTTP request content.
session_first_event_time	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
session_last_event_time	No	Created or aggregated after collecting data as an additional descriptive dimension of the session header.
event_time	No	Timestamp of the event (UTC0).
next_event_time	No	Set after collecting data as an additional dimension.
previous_event_time	No	Set during collecting data as an additional dimension.

Traffic source

Data	Visitor’s identity	Description
medium	No	Captured from query parameters.
campaign_content	No	Captured from query parameters that were assigned optionally.
campaign_id	No	Captured from query parameters that were assigned optionally.
campaign_keyword	No	Captured from query parameters that were assigned optionally.
campaign_medium	No	Captured from query parameters that were assigned optionally.
campaign_name	No	Captured from query parameters that were assigned optionally.
campaign_source	No	Captured from query parameters that were assigned optionally.
keyword	No	Captured from query parameters.
referrer_keyword	No	Captured from the referrer field of the HTTP request or from query parameters.
referrer_name	No	Captured from the referrer field of the HTTP request or from query parameters.
referrer_type	No	Captured from the referrer field of the HTTP request or from query parameters.
referrer_url	No	Captured from the referrer field of the HTTP request or from query parameters.
source	No	Captured from the referrer field of the HTTP request or from query parameters.
source_medium	No	Captured from the referrer field of the HTTP request or from query parameters.

Performance

Data	Visitor’s identity	Description
page_generation_time	No	Timing statistic collected from the visitor’s browser.
timing_connect_end	No	Timing statistic collected from the visitor’s browser.
timing_connect_start	No	Timing statistic collected from the visitor’s browser.
timing_content_end	No	Timing statistic collected from the visitor’s browser.
timing_content_start	No	Timing statistic collected from the visitor’s browser.
timing_dom_complete	No	Timing statistic collected from the visitor’s browser.
timing_dom_interactive	No	Timing statistic collected from the visitor’s browser.
timing_dom_loading	No	Timing statistic collected from the visitor’s browser.
timing_event_end	No	Timing statistic collected from the visitor’s browser.
timing_fetch_start	No	Timing statistic collected from the visitor’s browser.
timing_lookup_start	No	Timing statistic collected from the visitor’s browser.
timing_redirect_end	No	Timing statistic collected from the visitor’s browser.
timing_redirect_start	No	Timing statistic collected from the visitor’s browser.
timing_request_start	No	Timing statistic collected from the visitor’s browser.
timing_response_end	No	Timing statistic collected from the visitor’s browser.
timing_response_start	No	Timing statistic collected from the visitor’s browser.
timing_secure_start	No	Timing statistic collected from the visitor’s browser.
timing_unload_end	No	Timing statistic collected from the visitor’s browser.
timing_unload_start	No	Timing statistic collected from the visitor’s browser.

Internal data identifiers

Data	Visitor’s identity	Description
app_id	No	An ID automatically assigned to each website or app.
app_uuid	No	An ID automatically assigned to each website or app.
session_id	No	An identifier of the session object in the database.
event_id	No	Set when creating an event. An ID of the given event record in the database.
goal_id	No	An identifier of the goal set by the user.

Audience Manager

Data	Visitor’s identity	Description
id	Yes	An ID of a visitor’s profile.
website_id	No	An ID of a website or app in Piwik PRO.
user_id	Yes	A user ID taken from Analytics.
email	Yes	A visitor’s email address.
analytics_visitor_id	Yes	A visitor’s ID taken from Analytics.
analytics_visitor_ids	Yes	A list of all visitor’s IDs.
device_ids	Yes	A list of visitor’s device IDs.
attributes	No	Visitor’s data collected from submitted forms and imported data.
forms	No	Timestams and URLs of submitted forms.
analytics	No	Data from Analytics.
visits	No	A list of visitor’s sessions from Analytics.
goals	No	Goals recorded in Analytics.
ecommerce	No	Ecommerce conversions recorded in Analytics.
updated_at	No	A timestamp of the last update of the visitor’s profile.
generic	No	Generic values of the visitor profile.