The most obvious element. Translate:<\/p>\n\n\n\n Different regions may have different App Store URLs. The Play Store is generally universal, but the Apple App Store has region-specific URLs:<\/p>\n\n\n\n China consideration:<\/strong> Google Play is not available in China. If you have significant Chinese traffic, provide alternative download methods (direct APK download, Huawei AppGallery, Xiaomi GetApps, etc.).<\/p>\n\n\n\n For Arabic, Hebrew, and other RTL languages, the banner layout needs to be mirrored:<\/p>\n\n\n\n Or use logical CSS properties (preferred):<\/p>\n\n\n\n Logical properties ( Number formatting varies by locale:<\/p>\n\n\n\n Use the browser's If your banner includes a price or discount:<\/p>\n\n\n\n The simplest approach: use the browser's language preference:<\/p>\n\n\n\n If your website already detects and serves localized content, match the banner language to the page:<\/p>\n\n\n\n This ensures the banner language matches the rest of the page, which feels more natural than a banner in a different language.<\/p>\n\n\n\n For region-specific app store links or regional promotions, use GeoIP detection:<\/p>\n\n\n\n CTAs must be concise in every language. Some languages are more verbose:<\/p>\n\n\n\n![\"Tolinku](\"https:\/\/tolinku.com\/blog\/wp-content\/uploads\/2026\/03\/screenshot-banner-form-preview-1772822964529.png\")
\nThe live banner preview showing how the banner appears on a mobile device.<\/em><\/p>\n\n\n\nWhat to Localize<\/h2>\n\n\n\n
Banner Copy<\/h3>\n\n\n\n
\n
const bannerTranslations = {\n en: {\n message: "Get the app for a better experience",\n cta: "Open in App",\n subtext: "4.8 stars, 50K+ reviews",\n },\n es: {\n message: "Obtiene la app para una mejor experiencia",\n cta: "Abrir en la App",\n subtext: "4.8 estrellas, 50K+ rese\u00f1as",\n },\n ja: {\n message: "\u30a2\u30d7\u30ea\u3067\u3088\u308a\u5feb\u9069\u306b",\n cta: "\u30a2\u30d7\u30ea\u3067\u958b\u304f",\n subtext: "4.8 \u661f, 50K+ \u30ec\u30d3\u30e5\u30fc",\n },\n ar: {\n message: "\u0627\u062d\u0635\u0644 \u0639\u0644\u0649 \u0627\u0644\u062a\u0637\u0628\u064a\u0642 \u0644\u062a\u062c\u0631\u0628\u0629 \u0623\u0641\u0636\u0644",\n cta: "\u0641\u062a\u062d \u0641\u064a \u0627\u0644\u062a\u0637\u0628\u064a\u0642",\n subtext: "4.8 \u0646\u062c\u0648\u0645, +50 \u0623\u0644\u0641 \u0645\u0631\u0627\u062c\u0639\u0629",\n },\n};\n<\/code><\/pre>\n\n\n\nApp Store Links<\/h3>\n\n\n\n
function getStoreUrl(platform, locale) {\n if (platform === 'ios') {\n \/\/ Apple App Store URLs are the same globally, but the store\n \/\/ region is determined by the user's Apple ID\n return 'https:\/\/apps.apple.com\/app\/yourapp\/id123456789';\n }\n\n if (platform === 'android') {\n \/\/ Play Store URLs are universal\n return 'https:\/\/play.google.com\/store\/apps\/details?id=com.example.app';\n }\n\n \/\/ For markets without Google Play (China), use alternative stores\n if (platform === 'android' && locale.startsWith('zh')) {\n return 'https:\/\/yourapp.com\/download-android'; \/\/ Custom download page\n }\n}\n<\/code><\/pre>\n\n\n\nRTL Layout<\/h3>\n\n\n\n
.smart-banner[dir="rtl"] {\n direction: rtl;\n text-align: right;\n}\n\n.smart-banner[dir="rtl"] .smart-banner__content {\n flex-direction: row-reverse;\n}\n\n.smart-banner[dir="rtl"] .smart-banner__close {\n left: 12px;\n right: auto;\n}\n<\/code><\/pre>\n\n\n\n.smart-banner {\n padding-inline-start: 16px;\n padding-inline-end: 12px;\n}\n\n.smart-banner__close {\n inset-inline-end: 12px;\n}\n\n.smart-banner__icon {\n margin-inline-end: 12px;\n}\n<\/code><\/pre>\n\n\n\ninline-start<\/code>, inline-end<\/code>) automatically flip for RTL languages without needing separate RTL rules.<\/p>\n\n\n\nStar Ratings and Numbers<\/h3>\n\n\n\n
\n
Intl<\/code> API:<\/p>\n\n\n\nfunction formatRating(rating, locale) {\n return new Intl.NumberFormat(locale, {\n minimumFractionDigits: 1,\n maximumFractionDigits: 1,\n }).format(rating);\n}\n\nfunction formatCount(count, locale) {\n return new Intl.NumberFormat(locale, {\n notation: 'compact',\n compactDisplay: 'short',\n }).format(count);\n}\n<\/code><\/pre>\n\n\n\nCurrency (for Promotional Banners)<\/h3>\n\n\n\n
function formatDiscount(amount, currency, locale) {\n return new Intl.NumberFormat(locale, {\n style: 'currency',\n currency: currency,\n }).format(amount);\n}\n\n\/\/ "20% off" \u2192 "20 % de descuento" (Spanish) \u2192 "20%\u30aa\u30d5" (Japanese)\n<\/code><\/pre>\n\n\n\nDetecting the User's Language<\/h2>\n\n\n\n
Browser Language<\/h3>\n\n\n\n
function getUserLanguage() {\n \/\/ navigator.language returns the user's preferred language\n \/\/ e.g., "en-US", "ja", "ar-SA", "zh-CN"\n return navigator.language || navigator.userLanguage || 'en';\n}\n\nfunction getLocale() {\n const lang = getUserLanguage();\n const base = lang.split('-')[0]; \/\/ "en-US" \u2192 "en"\n\n \/\/ Check if we have translations for this language\n if (bannerTranslations[lang]) return lang;\n if (bannerTranslations[base]) return base;\n\n return 'en'; \/\/ Fallback\n}\n<\/code><\/pre>\n\n\n\nPage Language<\/h3>\n\n\n\n
function getPageLanguage() {\n return document.documentElement.lang || 'en';\n}\n<\/code><\/pre>\n\n\n\nGeoIP<\/h3>\n\n\n\n
\/\/ Server-side: determine user's country from IP\nfunction getCountryFromIP(req) {\n \/\/ Using a GeoIP service or header from CDN\n return req.headers['cf-ipcountry'] || \/\/ Cloudflare\n req.headers['x-country-code'] || \/\/ Custom\n 'US'; \/\/ Default\n}\n<\/code><\/pre>\n\n\n\nCTA Localization Patterns<\/h2>\n\n\n\n
Keep CTAs Short<\/h3>\n\n\n\n