Overview
A set of free SEO tools by Gofei: site value estimator, AdSense approval precheck, backlink value calculator, demand translator, demand miner, keyword difficulty estimate (Gofei edition), On Page SEO checkup, site naming AI, domain batch query, keyword value assessment (incl. KGR), revenue-target breakdown calculator, Stripe checkout referral traffic board, traffic data analyzer, YouTube influencer quote assessment, plus three SEO simulator games (sim business, GSC simulator, Google search simulator)—helping you onboard and advance overseas SEO faster.
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关键词难度、计算器与 SEO 模拟器 哥飞做的一组免费 SEO 工具：网站价值估算器、AdSense 过审预检、外链价值计算器、需求翻译器、需求挖掘机、关键词难度估算(哥飞版)、On Page SEO 体检、网站起名 AI、域名批量查询、关键词价值评估(含 KGR)、收入目标拆解计算器、Stripe 收银台引荐流量榜、流量数据分析器、YouTube 红人报价评估，以及三个 SEO 模拟器游戏（模拟经营、GSC 模拟器、谷歌搜索模拟器），帮你更快入门和进阶出海 SEO。