91waijiao.com Site Title

全外教在线互动口语学习 - 91外教网(就要外教)

91waijiao.com Meta Description

91外教的大课堂课程,由1名外教面向多名学员在线实时视频授课,所有学员可在课程中针对话题或疑问进行实时文字讨论,足不出户即可享受外教面对面英语教学。

91waijiao.com Test Results

91waijiao.com Mobile Usability: 69/100

Quick overview:
Use legible font sizes
The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.
The following text fragments have a small font size. Increase the font size to make them more legible.
手机版 renders only 5 pixels tall (12 CSS pixels).
...
Configure the viewport
Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.
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 <input id="top_username" type="text" name="user-name" class="fl username cInput"> is close to 1 other tap targets.
...

91waijiao.com Mobile Speed: 75/100

Quick overview:
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.
Optimize CSS Delivery of the following:
http://img.91waijiao.com/student/v0.6/css/homePage/style.css?v=4.0.910
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 31.1KiB (32% reduction).
Compressing http://img.91waijiao.com/student/v0.6/images/homepage/video-img3.gif?v=4.0.910 could save 3.6KiB (19% 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 19.6KiB (43% reduction).
Minifying http://img.91waijiao.com/student/v0.6/lib/ckplayer/6.5/ckplayer.js?v=3.9.910 could save 7.2KiB (55% reduction) after compression.
...
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://pb.kspost.sogou.com/lyb.js (expiration not specified)
...
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 2.9KiB (59% reduction).
Compressing http://hermes.sogou.com/sa.js?sid=155593-159705 could save 2.9KiB (59% 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 1.8KiB (18% reduction).
Minifying http://img.91waijiao.com/student/v0.6/css/homePage/style.css?v=4.0.910 could save 1.8KiB (18% reduction) after compression.
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 1.4KiB (23% reduction).
Minifying http://www.91waijiao.com/ could save 1.4KiB (23% reduction) after compression.

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