ローカライズレポート

Booking.com

Online travel

booking.com

製品: Booking.com is an online travel booking platform for finding and reserving accommodations, flights, car rentals, cruises, attractions, and airport taxis. It offers properties and travel services across destinations worldwide.

ブランドボイス: helpful, trustworthy, value-focused

ローカライズスコア

64/100

改善が必要

ユーザーは、目立つローカライズの問題に遭遇する可能性があります。

73技術監査
48言語監査
70コンテキスト監査
64ビジュアル監査

監査日: 2026/08/25範囲: 公開スマートサンプル · 技術・言語・文脈・ビジュアルの各クレジット信頼度: サンプルページに基づく参考用のヘルスチェック — サイト全体をクロールしたものではありません。

技術面、言語面、文脈面、視覚面の各ローカライズ評価項目にわたり、15 ページをサンプリングしました。ローカライゼーション監査の評価方法

他の人との比較

公開監査23件中#18位

Ahead of 5 other public audits公開平均: 70/100

リーダーボード全体を見る

最初に修正する項目

1
high
Valid sitemap not found
No fetchable XML sitemap with URL entries was found at /sitemap.xml or via robots.txt.
See details
2
high
Untranslated call to action
A fr page still uses source-language CTA copy.
See details
3
medium
Terminology inconsistency
"Arts & Culture" appears both untranslated and translated across fr pages. Affects 4 sampled pages.
See details

監査基準

7 passed · 1 to watch · 19 to fix · 8 not applicable

要対応 (19)

Language switcher
不合格55技術的
Visitors should move between locales without losing the current page.
- infotechnical · 42% の確信度
  Locale availability is listed, but path preservation is not demonstrated
  The evidence lists many supported locales but does not show the language-switcher control or destination URLs for a non-homepage path.
  こちらで見つかりました
  Header · <nav>
  https://www.booking.com/
  確認されたこと
  "locales":["ar","bg","ca","cs","da","de","el","en-gb","en-us","es-ar","es-mx",...], with page samples only showing "https://www.booking.com/" and "https://www.booking.com/region/gb/england.html"
  修正方法
  Verify that switching locale from a deep page retains the same path and relevant query or booking state.
Sitemap
不合格18技術的
Like Lighthouse: a valid XML sitemap must be discoverable, robots.txt should reference it with an absolute Sitemap: URL, and localized URLs should appear for published locales.
- hightechnical · 100% の確信度
  Valid sitemap not found
  No fetchable XML sitemap with URL entries was found at /sitemap.xml or via robots.txt.
  こちらで見つかりました
  Sitemap · sitemap.xml
  確認されたこと
  robots.txt was found, but it does not reference a sitemap and /sitemap.xml was missing or empty
  修正方法
  Publish a valid XML sitemap and reference it from robots.txt with an absolute Sitemap: URL.
Structured data
不合格0技術的
JSON-LD inLanguage should match the page locale when structured data is present.
- lowtechnical · 95% の確信度
  Structured data omits inLanguage
  JSON-LD is present but does not declare inLanguage on sampled pages.
  こちらで見つかりました
  JSON-LD · <script type="application/ld+json">
  https://www.booking.com/
  確認されたこと
  WebSite is present but inLanguage is missing
  修正方法
  Set JSON-LD inLanguage to match each page locale.
Accessibility localisation
不合格65技術的
lang, aria-label, and alt text should match the page locale.
- infotechnical · 62% の確信度
  Accessibility localisation is only verified for English
  The sampled page explicitly declares English, but the evidence does not provide localized aria-label or alt-text samples for the other locales.
  こちらで見つかりました
  Document root · <html>
  https://www.booking.com/
  確認されたこと
  "htmlLang":"en-us","dir":"ltr"
  修正方法
  Audit each locale’s <html lang>, accessible names, and image alt text against its rendered language.
Translation completeness
不合格50言語
Localized pages should not leave source-language copy in place, except brand names and URLs.
- highlinguistic · 92% の確信度
  Untranslated call to action
  A fr page still uses source-language CTA copy.
  こちらで見つかりました
  Primary action · <button>
  https://www.booking.com/index.fr.html
  確認されたこと
  Primary CTA: "Arts & Culture"
  修正方法
  Translate leftover source-language CTAs to match the surrounding locale copy.
- infolinguistic · 25% の確信度
  No localized page copy is available for comparison
  The provided preview contains only en-us page content, so untranslated source-language strings on localized pages cannot be confirmed or ruled out.
  こちらで見つかりました
  Page content · <body>
  https://www.booking.com/
  確認されたこと
  "htmlLang":"en-us" and visible copy including "Find deals for any season" and "Why Booking.com?"
  修正方法
  Sample the same pages in each target locale and check navigation, headings, controls, and supporting copy for remaining source-language strings.
Terminology consistency
不合格40言語
Important concepts should not be translated differently across pages.
- mediumlinguistic · 95% の確信度
  Terminology inconsistency
  "Arts & Culture" appears both untranslated and translated across fr pages. Affects 4 sampled pages.
  こちらで見つかりました
  Header · <nav> or <button>
  https://www.booking.com/index.fr.html
  確認されたこと
  "Arts & Culture" appears untranslated on some fr pages and translated on others Seen on 2 pages, e.g. https://www.booking.com/index.fr.html, https://www.booking.com/index.es.html
  修正方法
  Use one translated label for "Arts & Culture" across fr pages.
Translation accuracy
不合格50言語
Target copy should preserve the source meaning, numbers, and product actions.
- infolinguistic · 25% の確信度
  Cross-locale meaning cannot be assessed from the sample
  The evidence shows English source strings but no target-language translations, so preservation of meaning, numbers, and product actions is not verifiable.
  こちらで見つかりました
  Hero · <h1>
  https://www.booking.com/
  確認されたこと
  "Find deals for any season" and controls including "Select datesCheck-in date — Check-out date"
  修正方法
  Compare localized strings with the source for intent, quantities, dates, and booking actions in their surrounding components.
Fluency
不合格50言語
Copy should sound natural, without grammar issues or machine-translation artifacts.
- infolinguistic · 25% の確信度
  Target-language fluency is not evidenced
  Only en-us copy is shown; the evidence does not include target-language text that could be checked for grammar or machine-translation artifacts.
  こちらで見つかりました
  Page content · <body>
  https://www.booking.com/
  確認されたこと
  "htmlLang":"en-us" with visible text "Skip to main content ... Find deals for any season"
  修正方法
  Review representative localized pages with native speakers for natural phrasing and locale-specific idioms.
Brand voice
不合格50言語
Localized copy should preserve the intended tone of the source.
- infolinguistic · 25% の確信度
  Localized brand voice cannot be compared
  The sample provides English brand copy but no localized variants, so consistency of tone across locales is unverified.
  こちらで見つかりました
  Hero · <h1>
  https://www.booking.com/
  確認されたこと
  "Find deals for any season" and "From cozy bed & breakfasts to luxury hotels"
  修正方法
  Compare localized marketing copy with the English source and preserve its welcoming, consumer-oriented tone without literal phrasing.
Grammar and style
不合格50言語
Locale-specific capitalization, punctuation, formality, and agreement should be correct.
- infolinguistic · 25% の確信度
  Locale-specific style is not assessable
  The evidence contains only en-us text and does not provide other locales for checking capitalization, punctuation, formality, or agreement.
  こちらで見つかりました
  Search form · <form>
  https://www.booking.com/
  確認されたこと
  "Select datesCheck-in date — Check-out date" and "2 adults · 0 children · 1 room"
  修正方法
  Review each locale’s capitalization, punctuation, date conventions, formality, and plural or agreement rules in the rendered UI.
CTA intent
不合格65文脈に即した
Localized calls to action should communicate the intended product action.
- infocontextual · 48% の確信度
  CTA intent is explicit in the English sample only
  The English sample includes a clear "Search" action, but localized CTA labels are not provided for comparison.
  こちらで見つかりました
  Search form · <button>
  https://www.booking.com/
  確認されたこと
  "buttons":["HUF","Select datesCheck-in date — Check-out date","2 adults · 0 children · 1 room","Search",...]
  修正方法
  Verify that every locale keeps the distinction between selecting inputs and submitting the search action.
UI context
不合格65文脈に即した
Translations should fit the UI component: button, nav, form, modal, or error.
- infocontextual · 48% の確信度
  Component context is visible only for English labels
  The evidence identifies buttons, headings, and navigation-like text in the English page, but does not show whether translated strings fit their components.
  こちらで見つかりました
  Search form · <form>
  https://www.booking.com/
  確認されたこと
  "buttons":["HUF","Select datesCheck-in date — Check-out date","2 adults · 0 children · 1 room","Search",...]
  修正方法
  Test localized labels in their actual buttons, navigation items, fields, and date controls, including long and inflected translations.
Product context
不合格65文脈に即した
Language should match product concepts such as plans, settings, and workflows.
- infocontextual · 45% の確信度
  Product terminology is not validated across locales
  The sample exposes product concepts such as stays, flights, dates, guests, and rooms in English, but no localized terminology is supplied.
  こちらで見つかりました
  Header and search form · <nav> / <form>
  https://www.booking.com/
  確認されたこと
  "Stays Flights Flight + Hotel Car rental Cruises Attractions Airport taxis" and "2 adults · 0 children · 1 room"
  修正方法
  Create a locale glossary for booking concepts and verify consistent terminology across navigation, search, checkout, and account workflows.
Contextual meaning
不合格65文脈に即した
Strings should be judged in surrounding page and component context, not in isolation.
- infocontextual · 45% の確信度
  Context is present, but only in the source locale
  The sample shows strings in surrounding navigation, headings, and form controls, but no translated strings are available for contextual review.
  こちらで見つかりました
  Homepage · <body>
  https://www.booking.com/
  確認されたこと
  "Find deals for any season", "Enter destination", "Select dates", and "Search" appear together in the sampled page content.
  修正方法
  Review translations in their rendered page and component context rather than approving isolated string values.
Audience context
不合格70文脈に即した
Language should fit the intended audience, such as consumer, enterprise, or developer.
Localized images and assets
不合格50視覚的
Language-specific images and alt text should match the page locale.
- infovisual · 22% の確信度
  Localized imagery and alt text are not evidenced
  The preview contains no image markup, image assets, or localized alt-text samples, so locale suitability cannot be assessed.
  こちらで見つかりました
  Page content · <img>
  https://www.booking.com/
  修正方法
  Inspect image sources and alt attributes on each locale and replace or translate assets where the visual or embedded text is language-specific.
Text overflow
不合格60視覚的
Text should not clip, truncate unexpectedly, or overflow buttons and navigation.
- infovisual · 40% の確信度
  Overflow cannot be verified from the text preview
  The evidence lists labels and headings but provides no rendered dimensions, screenshots, or CSS results to confirm clipping or overflow.
  こちらで見つかりました
  Header and search form · <nav> / <form>
  https://www.booking.com/
  確認されたこと
  Labels include "Select datesCheck-in date — Check-out date" and "300M+ reviews from fellow travelers".
  修正方法
  Run visual checks across locales and widths, allowing controls and headings to wrap or expand without clipping.
Layout breakage
不合格60視覚的
Localized pages should not overlap, break grids, or overflow modals.
- infovisual · 40% の確信度
  Layout integrity is not demonstrated
  The HTML/text preview does not include rendered geometry or screenshots, so overlap, broken grids, and modal overflow cannot be confirmed.
  こちらで見つかりました
  Homepage · <body>
  https://www.booking.com/
  確認されたこと
  The evidence provides page status, headings, buttons, and text, but no layout measurements or rendered screenshots.
  修正方法
  Test long translations in navigation, search controls, cards, and dialogs at representative viewport sizes.
Responsive localisation
不合格60視覚的
Localized layouts should hold up across mobile, tablet, and desktop widths.
- infovisual · 40% の確信度
  Responsive behavior is not demonstrated
  The evidence contains no viewport-specific captures or responsive measurements, so mobile, tablet, and desktop behavior remains unverified.
  こちらで見つかりました
  Homepage · <body>
  https://www.booking.com/
  確認されたこと
  The preview lists page content but contains no viewport dimensions or responsive render results.
  修正方法
  Capture each locale at mobile, tablet, and desktop widths and verify wrapping, stacking, and control accessibility.

Worth a look (1)

Cultural adaptation
Watch88文脈に即した
Currency, dates, addresses, and local examples should fit the market.

合格した監査項目 (7)

該当なし（8）

検出されたロケール

アラビア語
ar · hreflang
ブルガリア語
bg · hreflang
カタロニア語
ca · hreflang
チェコ語
cs · hreflang
デンマーク語
da · hreflang
ドイツ語
de · hreflang
ギリシャ語
el · hreflang
イギリス英語
en-gb · hreflang
アメリカ英語
en-us · page language
スペイン語 (アルゼンチン)
es-ar · hreflang
スペイン語 (メキシコ)
es-mx · hreflang
エストニア語
et · hreflang
フィンランド語
fi · hreflang
フランス語
fr · hreflang
ヘブライ語
he · hreflang
ヒンディー語
hi · hreflang
クロアチア語
hr · hreflang
ハンガリー語
hu · you asked
インドネシア語
id · hreflang
アイスランド語
is · hreflang
イタリア語
it · hreflang
日本語
ja · hreflang
韓国語
ko · hreflang
リトアニア語
lt · hreflang
ラトビア語
lv · hreflang
マレー語
ms · hreflang
オランダ語
nl · hreflang
ノルウェー語
no · hreflang
ポーランド語
pl · hreflang
ポルトガル語 (ブラジル)
pt-br · hreflang
ポルトガル語 (イベリア半島)
pt-pt · hreflang
ルーマニア語
ro · hreflang
ロシア語
ru · hreflang
スロバキア語
sk · hreflang
スロベニア語
sl · hreflang
セルビア語
sr · hreflang
スウェーデン語
sv · hreflang
タイ語
th · hreflang
フィリピノ語
tl · hreflang
トルコ語
tr · hreflang
ウクライナ語
uk · hreflang
ベトナム語
vi · hreflang
簡体中国語
zh-hans · hreflang
繁体中国語
zh-hant · hreflang

サンプル対象のページ

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Solid baseline with room to improve. Claim this domain to monitor locales as you ship, or book an audit review.

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