Nim.ac.cn Site Title
中国计量科学研究院电子邮件系统
Nim.ac.cn Meta Description
亿邮电子邮件系统，亿邮邮件整体解决方案
Nim.ac.cn Test Results
nim.ac.cn Mobile Usability: 99/100
Quick overview:
Size tap targets appropriately
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.
The tap target
<a href="#main-content" class="visually-hidde…able skip-link">跳转到主要内容</a> is close to 1 other tap targets .
...
nim.ac.cn Mobile Speed: 22/100
Quick overview:
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 1.4MiB (65% reduction).
Compressing https://www.nim.ac.cn/sites/default/files/2019-08/banner_new.jpg could save 677.3KiB (71% reduction).
...
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 962.5KiB (76% reduction).
Compressing https://www.nim.ac.cn/sites/default/files/css/css__vnTCeqxO4zS2W9SUyjuyCwsV8RfH4Wc2ZADsgqCj5E.css?pykpha could save 220.2KiB (84% reduction).
...
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 5 blocking script resources and 2 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.
https://www.nim.ac.cn/sites/default/files/js/js_B7pS3ddmNLFYOJi3j28odiodelMu-EhaOeKlHZ8E6y0.js
...
Optimize CSS Delivery of the following:
https://www.nim.ac.cn/sites/default/files/css/css__vnTCeqxO4zS2W9SUyjuyCwsV8RfH4Wc2ZADsgqCj5E.css?pykpha
...
Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.
Only about 6% of the final above-the-fold content could be rendered with the full HTML response.
...
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 39.4KiB (12% reduction).
Minifying https://www.nim.ac.cn/sites/default/files/js/js_ylK_CdXd_jbMm2HPnYAChp770Ig11XOnGuKh3BNFkdQ.js could save 36.9KiB (13% reduction).
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