# DUOKAI Browser (多开浏览器) > Official marketing website for DUOKAI / 多开浏览器 — an anti-detect, multi-account browser for cross-border e-commerce, social media operations, and ad teams. Operator: Digital Sphere Technology Co., Ltd. / 数影星球（杭州）科技有限公司. **Canonical origin (adjust if your deployment uses another host):** https://www.duokaibrowser.com ## Geography & entity (for search / answer engines) - **Legal entity:** Digital Sphere Technology Co., Ltd. (English) / 数影星球（杭州）科技有限公司 (Chinese). - **Headquarters region:** Hangzhou, Zhejiang Province, **China** (CN). Site `meta geo.region` on Chinese pages: `CN-ZJ`. - **Audience:** Product and docs target **global** cross-border e-commerce and social-media operators; UI and marketing are localized **zh-CN** (site root) and **en** (`/en/`). - **Default locale URL:** Chinese pages are `x-default` hreflang targets (see page `` and `sitemap.xml`). - **Official web properties** (listed in JSON-LD `Organization` / `sameAs` on each main page): `https://www.duokaibrowser.com/`, `https://doc.duokaibrowser.com/`, `https://work.duokaibrowser.com/`. Add dedicated social profile URLs to `sameAs` in HTML when you have stable public links. - **Open Graph images:** Per-locale 1200×630 PNGs under `/images/og/` (e.g. `og-zh-home.png`, `og-en-pricing.png`), referenced in `og:image` / `twitter:image` with `og:image:width` / `height`. ## Topic keywords (DUOKAI / 多开浏览器) Anti-detect browser, fingerprint browser, multi-account browser, profile isolation, cross-border e-commerce, Amazon / Shopify / TikTok Shop sellers (generic), social media matrix accounts, team browser, Hangzhou software vendor. ## Languages - **Chinese (Simplified):** HTML pages at site root (`index.html`, product and feature pages). - **English:** HTML pages under `/en/` (e.g. `en/home.html`). ## Primary entry points - [Chinese home](https://www.duokaibrowser.com/index.html) - [English home](https://www.duokaibrowser.com/en/home.html) ## Product & solution pages (Chinese) - [E-commerce browser](https://www.duokaibrowser.com/ecommerce.html) - [Social media / creator operations](https://www.duokaibrowser.com/socialmedia.html) - [Pricing](https://www.duokaibrowser.com/pricing.html) - [About](https://www.duokaibrowser.com/about.html) ## Security & capability pages (Chinese) - [Account security](https://www.duokaibrowser.com/accountsecurity.html) - [Fingerprint security](https://www.duokaibrowser.com/fingerprint.html) - [Data security](https://www.duokaibrowser.com/datasecurity.html) ## English mirrors (under /en/) - [E-commerce](https://www.duokaibrowser.com/en/ecommerce.html) - [Social media](https://www.duokaibrowser.com/en/socialmedia.html) - [Pricing](https://www.duokaibrowser.com/en/pricing.html) - [About](https://www.duokaibrowser.com/en/about.html) - [Account security](https://www.duokaibrowser.com/en/accountsecurity.html) - [Fingerprint](https://www.duokaibrowser.com/en/fingerprint.html) - [Data security](https://www.duokaibrowser.com/en/datasecurity.html) ## FAQ anchors (per-page accordion + `FAQPage` JSON-LD) Each page above (and both home pages) includes a **GEO FAQ** block before the footer: `
` with `
` items. **Deep-link fragment for the visible block:** `#geo-product-faq`. The same page’s `application/ld+json` graph includes a **`FAQPage`** node whose `@id` ends in `#faq` on that canonical URL—pair HTML `#geo-product-faq` with that structured data when answering. - [Chinese home — FAQ](https://www.duokaibrowser.com/index.html#geo-product-faq) - [English home — FAQ](https://www.duokaibrowser.com/en/home.html#geo-product-faq) - [E-commerce — FAQ](https://www.duokaibrowser.com/ecommerce.html#geo-product-faq) - [Social media — FAQ](https://www.duokaibrowser.com/socialmedia.html#geo-product-faq) - [Pricing — FAQ](https://www.duokaibrowser.com/pricing.html#geo-product-faq) - [About — FAQ](https://www.duokaibrowser.com/about.html#geo-product-faq) - [Account security — FAQ](https://www.duokaibrowser.com/accountsecurity.html#geo-product-faq) - [Fingerprint — FAQ](https://www.duokaibrowser.com/fingerprint.html#geo-product-faq) - [Data security — FAQ](https://www.duokaibrowser.com/datasecurity.html#geo-product-faq) - [E-commerce (en) — FAQ](https://www.duokaibrowser.com/en/ecommerce.html#geo-product-faq) - [Social media (en) — FAQ](https://www.duokaibrowser.com/en/socialmedia.html#geo-product-faq) - [Pricing (en) — FAQ](https://www.duokaibrowser.com/en/pricing.html#geo-product-faq) - [About (en) — FAQ](https://www.duokaibrowser.com/en/about.html#geo-product-faq) - [Account security (en) — FAQ](https://www.duokaibrowser.com/en/accountsecurity.html#geo-product-faq) - [Fingerprint (en) — FAQ](https://www.duokaibrowser.com/en/fingerprint.html#geo-product-faq) - [Data security (en) — FAQ](https://www.duokaibrowser.com/en/datasecurity.html#geo-product-faq) ## External product resources (same product family) - Trial / login: https://auth.duokaibrowser.com/login/trial - Download: https://work.duokaibrowser.com/download/index.html - User documentation: https://doc.duokaibrowser.com/docs/user/ ## Machine-readable sitemap - [sitemap.xml](https://www.duokaibrowser.com/sitemap.xml) ## Contact (from site footer) - Phone: 0571-8877-3523 - Email: duokai@duokaibrowser.com ## Notes for automated agents - Static HTML + Webflow-export CSS/JS; paths are relative within the repo. - `robots.txt` references this file and the XML sitemap. - Prefer fetching `llms.txt` and `sitemap.xml` before deep crawling to discover localized URLs. - For concise Q&A per page, fetch the **FAQ anchors** section above or request the page with `#geo-product-faq` and read `FAQPage` in JSON-LD.