Terry Mancey
f6803618d7
Google vertical searches are identified by the presence of a `tbm` parameter (images, news, video, shopping, books) or a `udm` parameter set to a vertical value (images, video, shopping, forums, short videos). Previously these were counted toward Google SERP metrics alongside regular web searches, inflating the count. This adds `IsGoogleWebSearch` to filter them out so only plain web searches are recorded. `udm=0` (implicit default), `udm=14` (web without AI Overviews), and `udm=web` are all treated as web searches.
62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
/* Copyright (c) 2026 The Brave Authors. All rights reserved.
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at https://mozilla.org/MPL/2.0/. */
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#include "brave/components/serp_metrics/serp_classifier_utils.h"
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#include <string>
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#include "base/containers/fixed_flat_set.h"
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#include "net/base/url_util.h"
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#include "url/gurl.h"
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namespace serp_metrics {
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namespace {
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constexpr auto kAllowedSearchEngines = base::MakeFixedFlatSet<SearchEngineType>(
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base::sorted_unique,
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{SEARCH_ENGINE_BING, SEARCH_ENGINE_GOOGLE, SEARCH_ENGINE_YAHOO,
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SEARCH_ENGINE_DUCKDUCKGO, SEARCH_ENGINE_QWANT, SEARCH_ENGINE_ECOSIA,
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SEARCH_ENGINE_BRAVE, SEARCH_ENGINE_STARTPAGE});
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// Google URL query parameter names that select a search vertical.
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// Known `tbm` verticals: isch (images), nws (news), vid (video), shop
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// (shopping), bks (books).
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// Known `udm` verticals: 2 (images), 7 (video), 12 (news), 18 (forums), 28
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// (shopping), 39 (short videos).
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constexpr std::string_view kTbmParam = "tbm";
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constexpr std::string_view kUdmParam = "udm";
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// `udm` values that represent a plain web search. `udm=0` is the implicit
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// default; `udm=14` is the Web tab without AI Overviews; `udm=web` is a string
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// alias Google uses for the Web tab.
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constexpr std::string_view kUdmAllResults = "0";
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constexpr std::string_view kUdmWebNoAiOverview = "14";
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constexpr std::string_view kUdmWebString = "web";
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} // namespace
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bool IsAllowedSearchEngine(SearchEngineType type) {
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return kAllowedSearchEngines.contains(type);
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}
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bool IsGoogleWebSearch(const GURL& url) {
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std::string value;
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if (net::GetValueForKeyInQuery(url, kTbmParam, &value)) {
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// Any `tbm` value routes to a vertical search (images, news, video, etc.).
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return false;
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}
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if (net::GetValueForKeyInQuery(url, kUdmParam, &value) &&
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value != kUdmAllResults && value != kUdmWebNoAiOverview &&
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value != kUdmWebString) {
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// Any other `udm` value routes to a vertical search (images, video,
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// shopping, etc.).
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return false;
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}
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return true;
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}
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} // namespace serp_metrics
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