189.cn Meta Description
中国电信网上营业厅，为电信客户提供充值交费、费用查询、业务办理、在线客服、故障申告、投诉咨询及品牌专区等全方位的电子自助服务；中国电信——世界触手可及。
189.cn Test Results
189.cn Mobile Usability: 100/100
189.cn Mobile Speed: 69/100
Quick overview:
Avoid landing page redirects
Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://189.cn/
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 75.5KiB (44% reduction).
Compressing https://www.189.cn/client/wap/newwap/activity/download/images/download_img04_v4.jpg could save 41.5KiB (47% 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:
https://www.189.cn/client/wap/common/js/s_code.js (30 minutes)
...
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 39.4KiB (66% reduction).
Compressing http://webwebfenxi.189.cn:9000/wcode/live/ctwap.js?v=1535538135913 could save 35.8KiB (66% reduction).
...
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 8.3KiB (16% reduction).
Minifying http://webwebfenxi.189.cn:9000/wcode/live/ctwap.js?v=1535538135913 could save 8.3KiB (16% reduction).
Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 808B (16% reduction).
Minifying http://wapzt.189.cn/activity/download/android.jsp?channelid=129 could save 808B (16% reduction).
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