TOML

検索エンジン - TOML

検索エンジンは、インターネット上に存在する膨大なウェブページからユーザーが求める情報を検索・抽出するシステムです。クローラー型、ディレクトリ型、メタ検索型などの種類があり、Google、Bing、DuckDuckGo、Baiduなどが世界的に利用されています。検索精度、プライバシー保護、地域特化など、それぞれの特徴に応じて使い分けられています。

検索エンジン Google Bing DuckDuckGo Baidu インターネット Web検索

[[items]]
code = "01"
slug = "google"
name = "Google"
description = "世界最大の検索エンジン。"
features = "[\"AI検索\",\"パーソナライズ\",\"高速インデックス\"]"
marketShare_global = "~90%"
marketShare_japan = "~75%"
operator = "Google LLC"
privacy = "data-collection"
marketShare_china = ""
marketShare_russia = ""
marketShare_southKorea = ""

[[items]]
code = "02"
slug = "bing"
name = "Bing"
description = "Microsoftが提供する検索エンジン。"
features = "[\"Microsoft統合\",\"画像検索\",\"Copilot AI\"]"
marketShare_global = "~3-5%"
marketShare_japan = "~14-15%"
operator = "Microsoft Corporation"
privacy = "data-collection"
marketShare_china = ""
marketShare_russia = ""
marketShare_southKorea = ""

[[items]]
code = "03"
slug = "duckduckgo"
name = "DuckDuckGo"
description = "プライバシー保護を重視した検索エンジン。"
features = "[\"プライバシー保護\",\"追跡なし\",\"フィルターバブルなし\"]"
marketShare_global = "~0.8-1%"
marketShare_japan = "~1%"
operator = "DuckDuckGo, Inc."
privacy = "no-tracking"
marketShare_china = ""
marketShare_russia = ""
marketShare_southKorea = ""

[[items]]
code = "04"
slug = "baidu"
name = "Baidu（百度）"
description = "中国最大の検索エンジン。"
features = "[\"中国語検索\",\"中国市場特化\",\"AIアシスタント\"]"
marketShare_global = "~1%"
marketShare_japan = ""
operator = "百度公司（Baidu, Inc.）"
privacy = "data-collection"
marketShare_china = "~60-70%"
marketShare_russia = ""
marketShare_southKorea = ""

[[items]]
code = "05"
slug = "yahoo-search"
name = "Yahoo!検索"
description = "Yahoo!が提供する検索エンジン。"
features = "[\"ポータル連携\",\"日本特化\",\"Yahoo!サービス統合\"]"
marketShare_global = "~1%"
marketShare_japan = "~9-15%"
operator = "Yahoo! / ヤフー株式会社"
privacy = "data-collection"
marketShare_china = ""
marketShare_russia = ""
marketShare_southKorea = ""

[[items]]
code = "06"
slug = "yandex"
name = "Yandex"
description = "ロシア最大の検索エンジン。"
features = "[\"キリル文字検索\",\"ロシア市場特化\",\"多様なサービス\"]"
marketShare_global = "~0.5-1%"
marketShare_japan = ""
operator = "Yandex N.V."
privacy = "data-collection"
marketShare_china = ""
marketShare_russia = "~60%"
marketShare_southKorea = ""

[[items]]
code = "07"
slug = "naver"
name = "Naver"
description = "韓国最大の検索エンジン。"
features = "[\"韓国語検索\",\"韓国市場特化\",\"Webtoon\"]"
marketShare_global = "~0.2%"
marketShare_japan = ""
operator = "Naver Corporation"
privacy = "data-collection"
marketShare_china = ""
marketShare_russia = ""
marketShare_southKorea = "~60%"

[[items]]
code = "08"
slug = "ecosia"
name = "Ecosia"
description = "環境保護を目的とした検索エンジン。"
features = "[\"環境保護\",\"植林活動\",\"Bingベース\"]"
marketShare_global = "<0.1%"
marketShare_japan = "<0.1%"
operator = "Ecosia GmbH"
privacy = "privacy-focused"
marketShare_china = ""
marketShare_russia = ""
marketShare_southKorea = ""