新品・中古本をまとめて最安値で
ブックオフ (BOOKOFF) (bookoffonline.co.jp) scores 69 out of 100 on Brand Analyzer, placing it in the Developing tier among E-commerce brands, Media & Entertainment brands, Other brands, in the 19th percentile of 15056 E-commerce brands.
ブックオフ (BOOKOFF) is a ブックオフ公式オンラインストアは本(書籍)、漫画(コミック)、CD、DVD、ゲームの中古・新品商品を取り扱う通販サイトです。中古・新品まとめて最安値の「オトナ買い」や、入荷お知らせメールなど便利な機能も豊富、1800円以上のご注文で送料無料です。. 本、漫画、CD、DVD、ゲームなどの新品・中古商品を誰もが手軽に購入できる場を提供する。.
| Brand Name | ブックオフ (BOOKOFF) |
|---|---|
| Domain | bookoffonline.co.jp |
| Industry | E-commerce, Media & Entertainment |
| Main Competitors | メルカリ (88/100), 駿河屋 (62/100), Amazon (88/100), ヤフオク!, 楽天ブックス, ゲオ(GEO) (71/100), まんだらけ (73/100) |
Moz Domain Authority 48/100 vs category average 43 / leader 95 - a strong backlink profile, so AI systems frequently encounter mentions of the brand.
Ranked #221,353 on the Tranco list of most-visited sites - modest traffic makes the brand easy for AI models to overlook.
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 "ブックオフ公式オンラインストアは本(書籍)、漫画(コミック)、CD、DVD、ゲームの中古・新品商品を取り扱う通販サイトです。中古・新品まとめて最安値の「オトナ買い」や、入荷お知らせメールなど便利な機能も豊富、1800円以上のご注文で送料無料です。" (Meta description too short (1 words). OG description present but brief) - this is the summary AI engines are most likely to quote.
Structured data on the homepage: 2 JSON-LD block(s), Organization schema, Breadcrumb/Website schema, og:title, og:description, og:image, og:type, canonical. Adding FAQ schema would further help AI crawlers parse the brand's identity.
AI-crawler access: robots.txt present, no AI bot restrictions - 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.
Social footprint: verified profiles on Facebook, X (Twitter), Instagram; no detected presence on LinkedIn, YouTube, GitHub - 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 September 2026.
When asked "What is ブックオフ (BOOKOFF)?", Claude could identify the brand as of September 2026. BOOKOFF is a major Japanese secondhand retailer known for buying and selling used books, manga, CDs, DVDs, games, and other media, and bookoffonline.co.jp is its online e-commerce arm for the same used goods. Best known for Being Japan's largest chain of secondhand bookstores and media shops.
When asked "Best brands similar to ブックオフ (BOOKOFF)?", Claude would recommend ブックオフ (BOOKOFF) as of September 2026. It's one of the most recognizable and widely used platforms in Japan for buying and selling used books and media, so it would naturally come up in that context.
Common questions people ask in Google, ChatGPT, Claude, Gemini, Perplexity, and other AI search engines.
ブックオフ (BOOKOFF)'s main competitors in E-commerce: メルカリ (88/100), 駿河屋 (62/100), Amazon (88/100), ゲオ(GEO) (71/100), まんだらけ (73/100).
Sources: Brand Analyzer scan
ブックオフは、本(書籍)、漫画(コミック)、CD、DVD、ゲームの新品・中古商品を取り扱っている。これらの商品を新品と中古で比較しながら最安値で購入できる「オトナ買い」機能や、入荷お知らせメールなどのサービスも提供している。
Sources: ブックオフ (BOOKOFF) official site
ブックオフ(BOOKOFF)は、リアル店舗を展開する大手リユース企業ブックオフが運営する公式オンラインストアである。本、漫画、CD、DVD、ゲームなどの新品・中古商品を取り扱う通販サイトとして位置付けられている。
Sources: ブックオフ (BOOKOFF) official site
ブックオフ (BOOKOFF) has limited AI-search visibility, scoring 33/100 on Brand Analyzer's AI visibility composite (visibility 5, trust 52, recommendation 60). This estimates how likely AI engines like ChatGPT, Claude, Gemini and Perplexity are to know, trust, and recommend the brand.
Sources: ブックオフ (BOOKOFF) official site
ブックオフは、本(書籍)、漫画(コミック)、CD、DVD、ゲームの新品・中古商品を販売する通販サイトを運営している。新品と中古商品を比較しながら最安値で購入できる「オトナ買い」機能や、入荷お知らせメールなどの機能を提供し、1800円以上の注文には送料無料のサービスを行っている。
Sources: ブックオフ (BOOKOFF) official site
ブックオフ (BOOKOFF) scores 60/100 on Brand Analyzer's AI recommendation signal, indicating it is reasonably likely to be surfaced when AI assistants like ChatGPT suggest E-commerce options. Recommendation depends on crawlability, structured data, and category authority.
Sources: ブックオフ (BOOKOFF) official site
ブックオフ (BOOKOFF) 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: ブックオフ (BOOKOFF) official site
ブックオフは、新品と中古商品を比較しながら最安値で購入できる「オトナ買い」機能や入荷お知らせメールなどの便利な機能を備えている点、また1800円以上の注文で送料無料となる点が、コストパフォーマンスを重視する消費者に評価されている理由と考えられる。
Sources: ブックオフ (BOOKOFF) official site
ブックオフ (BOOKOFF) scores 33/100 for AI visibility - how well ChatGPT, Claude, Perplexity and Google AI Overviews can discover, identify and cite the brand.
ブックオフ (BOOKOFF) has a weak AI-visibility profile at 33/100 - a proxy for how readily ChatGPT, Perplexity and Google's AI Overviews can recognise and cite it. Its strongest area is recommendation likelihood (60/100) and its weakest is visibility (5/100). It benefits from a global traffic rank of #221,353 (Tranco), a Moz Domain Authority of 48/100 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, no strong Wikidata entry and no llms.txt to steer AI to its best pages. In a live check, Claude could already identify ブックオフ (BOOKOFF) from memory (September 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.
Ranked closest to ブックオフ (BOOKOFF): TheFork (69/100), Bob Jane T-Marts (69/100), Infinity (BounceShare) (69/100), Browns (69/100).
A step up - brands to learn from: Zoologist Perfumes (71/100), Zeex (71/100).
Category leader: DHL (97/100).
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