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diff --git a/browser/components/search/docs/telemetry.rst b/browser/components/search/docs/telemetry.rst new file mode 100644 index 0000000000..b00e7eb911 --- /dev/null +++ b/browser/components/search/docs/telemetry.rst @@ -0,0 +1,183 @@ +Telemetry +========= + +This section describes existing telemetry probes measuring interaction with +search engines from the browser UI. + +Other search-related telemetry is recorded by Toolkit such as search service +telemetry and telemetry related to fetching search suggestions. Toolkit search +telemetry is relevant to Firefox as well as other consumers of Toolkit. See +:doc:`/toolkit/search/Telemetry` in the Toolkit documentation for details. + +.. contents:: + :depth: 2 + + +Glossary +-------- + +SAP + Search Access Point, a search that a user performs by visiting + via one of Firefox's access points using the associated partner codes. + +SERP + A search engine results page. + +Persisted Search + When a user has the following preference values: + + - ``browser.urlbar.showSearchTerms.enabled``: ``true`` + - ``browser.urlbar.showSearchTerms.featureGate``: ``true`` + - ``browser.search.widget.inNavBar``: ``false`` + + and does the following: + + - Starts a search from the urlbar or context menu. + - Loads the default search engine results page. + + the search term will persist in the Urlbar, causing it to enter a Persisted Search state. + +Definitions +----------- + +``organic`` + A search that a user performs by visiting a search engine directly. + +``tagged`` + Refers to a page that is tagged with an associated partner code. + It may or may not have originated via a SAP. + +``tagged-follow-on`` + Refers to a page that is tagged with an associated partner code and has been identified + as a follow-on search. It may or may not have originated via a SAP. + +Search probes relevant to front-end searches +-------------------------------------------- + +The Address Bar is an integral part of search and has `additional telemetry of its own`_. + +BrowserSearchTelemetry.sys.mjs +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +This telemetry is handled by `BrowserSearchTelemetry.sys.mjs`_. + +SEARCH_COUNTS - SAP usage +^^^^^^^^^^^^^^^^^^^^^^^^^ + + This histogram tracks search engines and Search Access Points. It is augmented + by multiple SAPs, including the urlbar. + It's a keyed histogram, the keys are strings made up of search engine names + and SAP names, for example ``google.urlbar``. + For each key, this records the count of searches made using that engine and SAP. + SAP names can be: + + - ``alias`` This is when using an alias (like ``@google``) in the urlbar. + Note there is often confusion between the terms alias and keyword, and + they may be used inappropriately: aliases refer to search engines, while + keywords refer to bookmarks. We expect no results for this SAP in Firefox + 83+, since urlbar-searchmode replaces it. + - ``abouthome`` + - ``contextmenu`` + - ``newtab`` + - ``searchbar`` + - ``system`` + - ``urlbar`` Except aliases and search mode. + - ``urlbar-handoff`` Used when searching from about:newtab. + - ``urlbar-persisted`` Used when searching from the Urlbar while it + was in a Persisted Search state. + - ``urlbar-searchmode`` Used when the Urlbar is in search mode. + - ``webextension`` + +browser.engagement.navigation.* +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + + These keyed scalars track search through different SAPs, for example the + urlbar is tracked by ``browser.engagement.navigation.urlbar``. + It counts loads triggered in a subsession from the specified SAP, broken down + by the originating action. + Possible SAPs are: + + - ``urlbar`` Except search mode. + - ``urlbar_handoff`` Used when searching from about:newtab. + - ``urlbar_persisted`` Used when searching from the Urlbar while it + was in a Persisted Search state. + - ``urlbar_searchmode`` Used when the Urlbar is in search mode. + - ``searchbar`` + - ``about_home`` + - ``about_newtab`` + - ``contextmenu`` + - ``webextension`` + - ``system`` Indicates a search from the command line. + + Recorded actions may be: + + - ``search`` + Used for any search from ``contextmenu``, ``system`` and ``webextension``. + - ``search_alias`` + For ``urlbar``, indicates the user confirmed a search through an alias. + - ``search_enter`` + For ``about_home`` and ``about:newtab`` this counts any search. + For the other SAPs it tracks typing and then pressing Enter. + - ``search_formhistory`` + For ``urlbar``, indicates the user picked a form history result. + - ``search_oneoff`` + For ``urlbar`` or ``searchbar``, indicates the user confirmed a search + using a one-off button. + - ``search_suggestion`` + For ``urlbar`` or ``searchbar``, indicates the user confirmed a search + suggestion. + +navigation.search (OBSOLETE) +^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + + This is a legacy and disabled event telemetry that is currently under + discussion for removal or modernization. It can't be enabled through a pref. + it's more or less equivalent to browser.engagement.navigation, but can also + report the picked search engine. + +SearchSERPTelemetry.sys.mjs +~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +This telemetry is handled by `SearchSERPTelemetry.sys.mjs and the associated parent/child actors`_. + +browser.search.content.* +^^^^^^^^^^^^^^^^^^^^^^^^ + + These keyed scalar track counts of SERP page loads. The key format is + ``<provider>:[tagged|tagged-follow-on|organic]:[<code>|other|none]``. + + They are broken down by the originating SAP where known: + + - ``urlbar`` Except search mode. + - ``urlbar_handoff`` Used when searching from about:newtab. + - ``urlbar_persisted`` Used when searching from the Urlbar while it + was in a Persisted Search state. + - ``urlbar_searchmode`` Used when the Urlbar is in search mode. + - ``searchbar`` + - ``about_home`` + - ``about_newtab`` + - ``contextmenu`` + - ``webextension`` + - ``system`` Indicates a search from the command line. + - ``tabhistory`` Indicates a search was counted as a result of the user loading it from the tab history. + - ``reload`` Indicates a search was counted as a result of reloading the page. + - ``unknown`` Indicates the origin was unknown. + +browser.search.withads.* +^^^^^^^^^^^^^^^^^^^^^^^^ + + These keyed scalar track counts of SERP pages with adverts displayed. The key + format is ``<provider>:<tagged|organic>``. + + They are broken down by the originating SAP where known, the list of SAP + is the same as for ``browser.search.content.*``. + +browser.search.adclicks.* +^^^^^^^^^^^^^^^^^^^^^^^^^ + + This is the same as ```browser.search.withads.*`` but tracks counts for them + clicks of adverts on SERP pages. + +.. _additional telemetry of its own: /browser/urlbar/telemetry.html +.. _SearchSERPTelemetry.sys.mjs and the associated parent/child actors: https://searchfox.org/mozilla-central/search?q=&path=SearchSERPTelemetry*.sys.mjs&case=false®exp=false +.. _BrowserSearchTelemetry: https://searchfox.org/mozilla-central/source/browser/components/search/BrowserSearchTelemetry.sys.mjs |