Bootcdn.cn Site Title

BootCDN - Bootstrap 中文网开源项目免费 CDN 加速服务

Bootcdn.cn Meta Description

Bootstrap 中文网开源项目免费 CDN 加速服务 - 我们致力于为 Bootstrap、jQuery、Angular、Vue.js 一样优秀的开源项目提供稳定、快速、免费的 CDN 加速服务。BootCDN 是运营时间最长、用户量最大、最早同时支持 HTTPS(SSL)和 HTTP/2.0 协议的中立免费 CDN 。

Bootcdn.cn Test Results

bootcdn.cn Mobile Usability: 100/100


bootcdn.cn Mobile Speed: 67/100

Quick overview:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 3 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Optimize CSS Delivery of the following:
https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap.min.css
...
Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
https://api.bootcdn.cn/libraries.min.json?1539831015266 (60 minutes)
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 2.6KiB (15% reduction).
Compressing https://www.bootcdn.cn/assets/img/bootcdn.png could save 2.6KiB (15% reduction).

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