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上海师范大学教师邮件系统 Test Results Mobile Usability: 100/100 Mobile Speed: 79/100

Quick overview:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 4 blocking script resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
Reduce server response time
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 572B (21% reduction).
Compressing could save 572B (21% reduction).

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