Pkbigdata.com Site Title

DC竞赛——领先的大数据与人工智能竞赛平台

Pkbigdata.com Meta Description

DataCastle（DC竞赛）是国内领先的大数据与人工智能竞赛平台，提供在线编程工具DCLab、数据集、开源分享和在线课程，积累20万数据科学领域用户。

Pkbigdata.com Test Results

pkbigdata.com Mobile Usability: 100/100


pkbigdata.com Mobile Speed: 40/100

Quick overview:
Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 787.2KiB (76% reduction).
Compressing http://third.datacastle.cn/master.third.source/mui/js/mui.js could save 191.7KiB (77% reduction).
...
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 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:
http://third.datacastle.cn/master.third.source/amaze/css/amazeui.min.css
Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 304KiB (41% reduction).
Minifying http://third.datacastle.cn/master.third.source/mui/js/mui.js could save 80.2KiB (33% reduction).
...
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:
http://third.datacastle.cn/content/disk/share/img/0263288a-821b-4daf-9fda-9a718e0bea75.jpeg (expiration not specified)
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 82.1KiB (38% reduction).
Compressing http://third.datacastle.cn/content/disk/share/img/0263288a-821b-4daf-9fda-9a718e0bea75.jpeg could save 35.3KiB (30% reduction).
...
Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 12.2KiB (25% reduction).
Minifying http://www.pkbigdata.com/a_new_static/mobile/css/user/userNav.css?=v1547549539321 could save 5.2KiB (24% reduction).
...

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