お得に読める電子書籍ストア
ebookjapan (yahoo.co.jp) scores 53 out of 100 on Brand Analyzer, placing it in the Early Stage tier among Media & Entertainment brands, E-commerce brands, in the 3rd percentile of 35294 Media & Entertainment brands.
ebookjapan is a Japanese e-book and digital manga retail platform operated under Yahoo.co.jp and owned by LY Corporation. Founded in 2000 and headquartered in Tokyo, it offers one of Japan's largest digital catalogs, with over one million titles. The platform provides free trial reads, full free first volumes, discount coupons, and daily sales, targeting a broad range of manga and e-book readers seeking affordable access to digital content.
| Brand Name | ebookjapan |
|---|---|
| Domain | yahoo.co.jp |
| Industry | Media & Entertainment, E-commerce |
| Founded | 2000 |
| Headquarters | Tokyo |
| Parent Company / Owner | LY Corporation |
| Main Competitors | Kindle Store (88/100), Rakuten Kobo (90/100), LINE Manga, BookLive (79/100), Comic Walker (77/100), Piccoma (80/100), Honto (72/100), DMM Books |
No Wikipedia presence was found - a major gap, since Wikipedia is among the most heavily weighted sources in AI training data.
The homepage meta description reads "【初回ログイン限定！6回使える最大70%OFFクーポン配布】漫画をお得に買うなら、無料で読むなら、品揃え日本最大級100万冊以上の電子書籍販売サイト「ebookjapan」！豊富な試し読み漫画に加え、1巻まるごと無料で読める漫画多数、割引・セールも毎日実施！新刊も続々入荷！" (Meta description too short (1 words). No OG description (falling back to meta)) - this is the summary AI engines are most likely to quote.
Structured data on the homepage: 1 JSON-LD block(s), Breadcrumb/Website schema, canonical. Adding Organization and FAQ schema would further help AI crawlers parse the brand's identity.
AI-crawler access: robots.txt mentions GPTBot, ClaudeBot, Google-Extended - all allowed - robots.txt controls whether engines like GPTBot and ClaudeBot can read the site at all.
Content is JA-only, limiting citation in English-language AI answers.
Detected tech stack: Vue.
Social footprint: verified profiles on X (Twitter), Facebook, Instagram, GitHub; no detected presence on LinkedIn, YouTube - consistent profiles reinforce the brand's identity across the web.
0 Reddit mentions - community discussion signals real-world reputation to AI models.
Live results from asking a general-purpose AI assistant about the brand, checked August 2026.
When asked "What is Yahoo!ショッピング?", Claude could identify the brand as of August 2026. Yahoo!ショッピング is a major Japanese e-commerce marketplace operated by LY Corporation (formerly Yahoo Japan), allowing third-party merchants to sell products directly to consumers with no listing fees for sellers. It's one of Japan's largest online shopping platforms, competing dire Best known for Being one of Japan's top e-commerce marketplaces with free store openings for merchants, integrated with PayPay and Yahoo Japan's ecosystem.
When asked "Best brands similar to Yahoo!ショッピング?", Claude would recommend ebookjapan as of August 2026. It's a top-tier player in Japan's e-commerce market and would naturally come up alongside Rakuten and Amazon Japan when discussing major Japanese online shopping platforms.
Common questions people ask in Google, ChatGPT, Claude, Gemini, Perplexity, and other AI search engines.
ebookjapan's main competitors in Media & Entertainment: Kindle Store (88/100), Rakuten Kobo (90/100), BookLive (79/100), Comic Walker (77/100), Piccoma (80/100).
Sources: Brand Analyzer scan
ebookjapan offers digital manga and e-books for purchase, free trial reading samples, fully free first volumes of many manga series, discount coupons (including a first-login coupon offering up to 70% off across six uses), and regular daily sales and promotions on its catalog of over one million titles.
Sources: ebookjapan official site
ebookjapan is a Japanese digital bookstore and manga platform operated via Yahoo.co.jp and owned by LY Corporation. Founded in 2000 and headquartered in Tokyo, it offers one of Japan's largest selections of e-books, with more than one million titles available for purchase or free trial reading.
Sources: ebookjapan official site
ebookjapan has limited AI-search visibility, scoring 28/100 on Brand Analyzer's AI visibility composite (visibility 23, trust 15, recommendation 51). This estimates how likely AI engines like ChatGPT, Claude, Gemini and Perplexity are to know, trust, and recommend the brand.
Sources: ebookjapan official site
ebookjapan was founded in 2000. ebookjapan operates in the Media & Entertainment category. It is analyzed by Brand Analyzer across seven brand dimensions and AI-search visibility.
Sources: Wikidata
ebookjapan is headquartered in Tokyo. ebookjapan operates in the Media & Entertainment category.
Sources: Wikidata
ebookjapan sells and distributes digital books and manga online, allowing users to purchase, sample, and in many cases read entire first volumes of manga for free. It also runs recurring discount campaigns, coupons, and sales events to make digital reading more affordable, and regularly adds newly released titles to its catalog.
Sources: ebookjapan official site
ebookjapan scores 51/100 on Brand Analyzer's AI recommendation signal, indicating it is reasonably likely to be surfaced when AI assistants like ChatGPT suggest Media & Entertainment options. Recommendation depends on crawlability, structured data, and category authority.
Sources: ebookjapan official site
ebookjapan is known for having one of the largest digital manga and e-book catalogs in Japan, exceeding one million titles, along with frequent discount coupons, daily sales, and free trial or fully free first-volume reading options for many manga series.
Sources: ebookjapan official site
ebookjapan is popular because it offers one of Japan's largest digital manga and e-book selections, combined with frequent discounts such as first-login coupons offering up to 70% off, free trial reading, and fully free first volumes of many manga titles, making it an affordable and accessible option for readers.
Sources: ebookjapan official site
ebookjapan can improve AI discoverability by strengthening structured data (Organization and FAQ schema), maintaining an accurate Wikipedia/Wikidata entity, earning authoritative citations, and keeping content crawlable for AI bots. Brand Analyzer measures these as visibility, trust, and recommendation signals.
Sources: ebookjapan official site
ebookjapan is owned by or part of LY Corporation. ebookjapan operates in the Media & Entertainment category.
Sources: Wikidata
ebookjapan is used by a broad range of manga and e-book readers in Japan, spanning various age groups, who are looking to read or purchase digital manga affordably through discounts, free trials, and sales offered on the platform.
Sources: ebookjapan official site
ebookjapan scores 28/100 for AI visibility - how well ChatGPT, Claude, Perplexity and Google AI Overviews can discover, identify and cite the brand.
ebookjapan has a weak AI-visibility profile at 28/100 - a proxy for how readily ChatGPT, Perplexity and Google's AI Overviews can recognise and cite it. Its strongest area is recommendation likelihood (51/100) and its weakest is trust (15/100). It benefits from a Wikidata knowledge-graph entry and open access for AI crawlers (GPTBot, ClaudeBot, etc.). The main gaps holding it back: no clear Wikipedia entity to anchor it in LLM training data, thin schema.org structured data and no llms.txt to steer AI to its best pages. In a live check, Claude could already identify ebookjapan from memory (August 2026) - a sign these signals are paying off.
The score combines seven dimensions - name quality, digital presence, visual identity, messaging clarity, trust foundation, AI discoverability, and brand authority - into a single objective benchmark.
53 in October 2026, down from 60 in October 2026.
Ranked closest to ebookjapan: Xn--9w3b43d7xh2oi8tbiwf (53/100), DS88 (53/100), Youxibao (53/100), Zinda Magazine (53/100).
A step up - brands to learn from: Zinda Magazine (56/100), Zeneverzum (56/100).
Category leader: Change.org (97/100).
Brand Analyzer is built by DataEase AI. Track your brand in ChatGPT, Gemini and Perplexity.