Linus Li is an SEO practitioner based in Shenzhen. He heads Technical Solutions at Yiguo Tech (Jindouyun SEO), covering technical SEO, GEO and Shopify SEO.

白帽黑客与渗透测试出身，现用安全攻防思维拆解 Google SEO 算法与出海增长。
Former pentester & white-hat hacker. Now applying offensive security thinking to Google SEO, GEO, and cross-border growth.

• 🕸️ Head of Technical Solutions at 翼果科技 · 筋斗云SEO (Shenzhen), having served 300+ cross-border and Shopify brands.
• 🛡️ White-hat hacker & offensive security background: Studied information security at university, competed in CTF competitions, and worked on penetration testing and red-team research (authored Pentest_Interview & related security repos with 2,700+ GitHub Stars).
• ⚙️ 7 years in big data & security engineering: Started dissecting Google Search and anti-spam mechanics along the way — treating search engines like any other closed-source black box and probing their real boundaries through patents, system responses, and controlled experiments — before moving full-time into SEO.

• 🔍 Technical SEO: Large-scale site architecture, programmatic SEO (pSEO), crawl budget & JavaScript rendering diagnostics, international SEO (hreflang), JSON-LD entity graphs, and internal linking systems for topical authority.
• 🤖 GEO (Generative Engine Optimization): Retrieval and citation mechanics across Google AI Overviews / AI Mode, ChatGPT, Perplexity, and Claude; robots.txt policies and server log analysis for AI crawlers (GPTBot, OAI-SearchBot, ClaudeBot, etc.); content citability engineering, cross-domain entity consistency, and GA4 attribution for AI traffic.
• 🛍️ Shopify & E-commerce SEO Engineering: Liquid-level theme optimization, Product and variant schema (MerchantReturnPolicy, shipping details, GTIN validation) for Google Merchant Center & AI shopping assistants, index bloat control, and Core Web Vitals tuning.
• 🕵️ Search Mechanisms & Web Security: Cross-referencing Google patents, the 2024 Content Warehouse API leak, and DOJ antitrust trial testimony to analyze ranking signals (e.g., Navboost) and anti-spam systems (e.g., SpamBrain); CDN / WAF diagnostics for search and AI crawlers.
• 💻 SEO Automation & AI Workflows: Search data pipelines and anomaly monitoring with Python, GSC API, and BigQuery; internal SEO diagnostic tooling and automated content workflows built on local and cloud LLMs, MCP, and AI agents.

• 🌐 Personal Site: linusseo.com (English)
• 🛠️ Free SEO & GEO Tools: linusseo.com/tools/ — Schema Visualizer, Entity Consistency Checker, Product Schema Checker for AI Shopping, AI Crawler robots.txt Checker, What AI Crawlers See, AI Crawler Log Analyzer, llms.txt Validator, SERP Preview, UULE Generator, AI Citability Checker, and AI Traffic Attribution
• ✍️ Articles at Jindouyun SEO: Works Index · Author Page
• 🔗 Elsewhere: LinkedIn · Medium · 知乎 (Zhihu)