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Nullframe404 alternatives & similar sites

NULLFRAME404 — FRAME UNIT 光控系統 — 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 Consumer Electronics →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
markavsi.com ↗	61 match 1 shared topics	广州玛克教学扩声系统\|会议系统\|中控系统\|周边设备\|智能影音\|HIFI系统-广州玛克电子有限公司	zh	consumer-electronics	robotsllmsaihumans	emailphone	none
dektec.com.cn ↗	61 match 1 shared topics	调制卡_播发卡_数字电视信号源_码流卡-【深圳市德克泰可电子有限公司】	China zh	consumer-electronics	robotsllmsaihumans	emailphone	none
dtvcore.com.cn ↗	61 match 1 shared topics	调制卡_播发卡_数字电视信号源_码流卡-【深圳市德克泰可电子有限公司】	China zh	consumer-electronics	robotsllmsaihumans	emailphone	none
dtvcore.cn ↗	61 match 1 shared topics	调制卡_播发卡_数字电视信号源_码流卡-【深圳市德克泰可电子有限公司】	China zh	consumer-electronics	robotsllmsaihumans	emailphone	none
senbatefilm.com ↗	61 match 1 shared topics	森巴特质保查询	zh	consumer-electronics	robotsllmsaihumans	emailphone	none
odu.com.cn ↗	61 match 1 shared topics	ODU连接器系统_欧度连接器 \| ODU	China zh	consumer-electronics TYPO3	robotsllmsaihumans	email phone	none
addressable-led.com ↗	61 match 1 shared topics	SHENZHEN LED COLOR CO., LTD	zh	consumer-electronics	robotsllmsaihumans	email phone	none
3qled.com ↗	61 match 1 shared topics	全球led显示屏排行榜_[显示之家]	zh	consumer-electronics	robotsllmsaihumans	emailphone	none
dgxsk.net ↗	61 match 1 shared topics	DVI线\|视频线\|USB线\|音频线\|音响线\|监控线\|光纤线\|同轴线\|东莞市通缆电子科技有限公司	zh	consumer-electronics	robotsllmsaihumans	emailphone	none
dpqr7.com ↗	61 match 1 shared topics	莆田市荔城区谱家佳网络工作室	zh	consumer-electronics	robotsllmsaihumans	emailphone	none
shanyudq.com ↗	61 match 1 shared topics	东莞市山钰电气科技有限公司,LCD测试,LCM测试	zh	consumer-electronics	robotsllmsaihumans	emailphone	none
polycom-china.cn ↗	61 match 1 shared topics	宝利通视频会议-华为视频会议系统-成都视频会议代理商_重庆市劲浪科技有限公司	China zh	consumer-electronics	robotsllmsaihumans	emailphone	none
bojinservice.com ↗	61 match 1 shared topics	维修记录查询_上海博进动力维修查询系统	zh	consumer-electronics	robotsllmsaihumans	emailphone	none
oushine.com ↗	61 match 1 shared topics	Bulk HDMI Cables \| Buy Ultra HD HDMI Cables, Splitters & Adapters Online Worldwide	zh	consumer-electronics	robotsllmsaihumans	emailphone	none
sentrlink.com ↗	61 match 1 shared topics	Sentrlink - 創大電子有限公司	zh	consumer-electronics	robotsllmsaihumans	email phone	none
mingchuangusb.com ↗	60 match 1 shared topics	铭创科技（东莞）有限公司,Type-c 防水母座系列,Type-c 卧式母座系列,Type-c 立式母座系列,Type-c 侧插母座系列,Type-c 沉板母座系列	zh	consumer-electronics	robotsllmsaihumans	emailphone	none
ninakiss.cn ↗	60 match 1 shared topics	NILLKIN - Digital Brand for Smart&Simple Life	China zh	consumer-electronics	robotsllmsaihumans	emailphone	none
crystalleap.com ↗	60 match 1 shared topics	合特电子，上海合特电子科技有限公司	zh	consumer-electronics	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.