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Czy21 alternatives & similar sites

开心云社 — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Technology And Computing →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
dev808.com ↗	60 match 2 shared topics	苹果开发者账号出售｜谷歌开发者账号购买｜iOS开发者账号出售｜Google Play开发者账号出售	zh	software-and-applications	robotsllmsaihumans	emailphone	partial · 8
hellostem.net ↗	60 match 2 shared topics	Hello STEM 开源硬件共享平台	zh	software-and-applications	robotsllmsaihumans	emailphone	none
hezy.tech ↗	60 match 2 shared topics	HeZY Tech — Works & Signals	zh	technology-and-computing	robotsllmsaihumans	emailphone	none
hickmancustoms.com ↗	60 match 2 shared topics	bevictor伟德(中文版)官方网站-源自始于1946	zh	software-and-applications	robotsllmsaihumans	emailphone	none
cyzwb.com ↗	60 match 2 shared topics	超越自我吧 – 凭吾今之绩，复不勉？以何迎汝为吾之妻。	zh	software-and-applications WordPress	robotsllmsaihumans	emailphone	none
2ax.com ↗	60 match 2 shared topics	2AX工具箱 - 在线免费工具大全	zh	software-and-applications	robotsllmsaihumans	emailphone	none
365hjw.com ↗	60 match 2 shared topics	365合集网 - 一个集搜网，合集，测评，担保，信息交流，渠道资源，各类软件等的信息平台。	zh	software-and-applications	robotsllmsaihumans	emailphone	partial · 8
4ark.me ↗	60 match 2 shared topics	4Ark	zh	technology-and-computing	robotsllmsaihumans	emailphone	none
city-wallet.com ↗	60 match 2 shared topics	CT Wallet	zh	technology-and-computing	robotsllmsaihumans	emailphone	none
clashvergerev.com ↗	60 match 2 shared topics	Clash Verge Rev \| Clash Verge 的延续基于 Tauri 的 Clash Meta GUI	zh	software-and-applications	robots llmsaihumans	emailphone	none
clawpath.dev ↗	60 match 2 shared topics	ClawPath：小龙虾（OpenClaw）最短上手路径 \| ClawPath	zh	software-and-applications	robotsllmsaihumans	emailphone	partial · 8
treeyang.com ↗	60 match 2 shared topics	杨树 — 产品人 & Vibecoder	zh	technology-and-computing	robotsllmsaihumans	emailphone	none
youxinginfo.com ↗	60 match 2 shared topics	梦启 DreamStart \| 个人技术文档	zh	software-and-applications	robotsllmsaihumans	emailphone	none
yuehuaying.com ↗	60 match 2 shared topics	Mokura - 一个	zh	software-and-applications WordPress	robotsllmsaihumans	emailphone	none
3qos.com ↗	60 match 2 shared topics	3Q Open source	zh	software-and-applications	robotsllmsaihumans	emailphone	none
badsn.com ↗	60 match 2 shared topics	胡言随语	zh	software-and-applications	robotsllmsaihumans	emailphone	none
fuhaijun.com ↗	60 match 2 shared topics	军哥解码商业化 – 让流量生意简单起来！	zh	technology-and-computing WordPress	robotsllmsaihumans	emailphone	none
ideamart.io ↗	60 match 2 shared topics	Ideamart \| Globally recognized developer eco-system and API Marketplace	zh	software-and-applications	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.