I21st.cn Site Title

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I21st.cn Meta Description

21英语网是中国最具原创性的英语学习和教学网站,拥有独家的英语学习资料及教育资料,专注于打造最具人气的英语学习交流平台,为全国英语学习者和教育者提供专业服务。

I21st.cn Test Results

I21st.cn Mobile Usability: 89/100

Quick overview:
Configure the viewport
Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.

I21st.cn Mobile Speed: 100/100

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