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In Japan, Shopping performance depends on product titles and attributes written to Japanese search conventions, not translated from English. We engineer Japanese-language feeds and run Shopping across both Google and Yahoo Shopping so your products appear wherever Japanese buyers are looking.
International Brands Entering the Japanese Market — You are launching or scaling in Japan and need your Google Shopping presence to perform for Japanese buyers, not just rank with English-language titles that Japanese consumers rarely search. Product feed localisation — not just translation — is a prerequisite for viable Shopping performance in Japan.
Japanese Retailers Running Shopping With Poor Search Match Rates — Your Shopping campaigns are live but impression volumes are lower than expected, and the queries triggering your ads do not reflect how Japanese buyers search for your products. The root cause is almost always feed engineering: titles structured for internal catalogue logic rather than Japanese consumer search behaviour.
E-Commerce Businesses Ignoring Yahoo Shopping — Google and Yahoo Shopping operate in parallel in Japan, and a significant share of Japanese online buyers use Yahoo Japan as their primary shopping search engine. Running only Google Shopping means you are missing substantial addressable traffic. A dual-platform strategy — with feeds engineered for each — is standard practice for serious Japanese e-commerce operators.
Japanese product titles in Google Shopping require specific conventions that differ materially from Western naming structures. Brand name, product name, key attributes, and size or variant information follow a particular order that aligns with how Japanese buyers search. Feeds built without this structure generate poor query match rates and low impression share.
Japanese e-commerce catalogues frequently span multiple product categories with different purchase frequencies, margins, and seasonal demand curves. Running all products in a single campaign with a blanket bid strategy prevents budget from flowing to the highest-value segments and makes performance optimisation impossible.
Japan's search advertising market is divided between Google and Yahoo Japan, with Yahoo retaining a meaningfully larger share of older demographics and certain product categories. Operating only on Google Shopping leaves a structural gap in reach that competitors using both platforms do not have.
Japanese Merchant Centre requires accurate attributes including Japanese language compliance, correct pricing in JPY, and specific handling of product variants. Feeds built without understanding Japan-specific requirements generate higher disapproval rates and reduced eligibility for Shopping placements.
We engineer your product feed for the Japanese market — building title structures that follow Japanese search conventions (brand + product type + key attributes + variant), mapping attributes accurately in Japanese, and ensuring full compliance with Google Merchant Centre Japan requirements. Feed quality is treated as the primary performance lever, not an afterthought.
We segment your catalogue by product category, margin, and purchase cycle into a campaign structure that allocates budget to your commercial priorities. High-frequency consumables, seasonal products, and premium items each operate under different bidding logic suited to their conversion patterns in the Japanese market.
We build Japanese-language negative keyword lists that prevent spend on irrelevant queries, informational searches, and competitor brand terms. Japanese keyword structure requires specific handling — compound words, particles, and variant search forms all factor into effective negative keyword management.
We configure Smart Bidding targets calibrated to Japanese conversion rates and your actual margin data in JPY. Japan's average order values and conversion rates differ from Western markets, and ROAS targets built on assumptions from other markets will consistently underperform.
We integrate Shopping into Performance Max where it serves your objectives, using Japanese-language asset groups and audience signals built on Japanese consumer behaviour data. PMax in Japan operates within the same dual-search-engine context — we ensure your asset strategy accounts for this.
Google Shopping operates fully in Japan and is a significant channel for Japanese e-commerce, though it shares search market attention with Yahoo Japan, which retains a meaningful portion of shopping search activity. Google's share of the Japanese search market has grown steadily, and for most product categories, a Google Shopping presence engineered for Japanese search behaviour delivers material return. The key variable is feed quality — specifically whether product titles and attributes are structured for Japanese buyer search conventions rather than translated from English.
Yahoo Shopping is the product listing service operated by Yahoo Japan, powered by Yahoo Japan's search engine and the Yahoo! Shopping marketplace. It serves a significant segment of Japanese online shoppers, particularly older demographics and buyers in certain product categories like home goods and food. For most Japanese e-commerce operations, running both Google Shopping and Yahoo Shopping is standard practice. We manage both as part of a dual-platform approach, engineering feeds for each platform's specific requirements.
Japanese Shopping titles follow a convention that differs from English e-commerce naming. The typical structure is: brand name, product category (in Japanese), key attributes (material, size, colour, compatibility), and variant information — all written in Japanese script appropriate to the product type (kanji, hiragana, katakana are used in specific contexts). Consumer-facing search terms in Japanese differ from direct translations of English product names, and a feed built without understanding this will systematically miss the queries Japanese buyers actually use.
Yes. Japanese keyword management requires specific handling because Japanese search queries can use multiple scripts and compound-word structures that behave differently from Latin-alphabet languages. We build and maintain Japanese-language negative keyword lists at both campaign and ad group level, updated regularly as search term data accumulates.
ROAS targets for Japan should be set based on your specific product category, average order value in JPY, and Japanese market conversion rates — not targets imported from your UK, US, or Australian accounts. Japanese conversion rates and average order values differ by category, and targets calibrated to other markets will either starve Japanese campaigns of traffic or run them unprofitably. We set initial targets conservatively and adjust upward as the account builds clean data.
Not a black box. Real specialists you can call, with their names on the work.
The gap between a poor-performing and a high-performing Japanese Shopping account is almost always in the feed. We engineer product titles and attributes to Japanese search conventions, build campaign structures around your commercial priorities, and run a dual-platform strategy across Google and Yahoo Shopping. The audit takes five days and gives you a clear picture of where the account stands.
5-day turnaround · Feed audit + campaign review · No retainer required
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