Kaikeba.com Site Title

开课吧-在线职业教育

Kaikeba.com Meta Description

开课吧整合全球知名高校和领军企业的一线师资及实战项目，面向大学生和在职人员提供职业能力进阶、职业资格考试等多元化职业教育及人才服务，帮助用户实现可持续职业成长。

Kaikeba.com Test Results

kaikeba.com 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 <div class="m-fixed-info">智能选课</div> and 1 others are close to other tap targets .

kaikeba.com Mobile Speed: 21/100

Quick overview:
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 2.4MiB (86% reduction).
Compressing and resizing https://img.kaikeba.com/webprotalimg_course_bsj2.png could save 371.1KiB (91% reduction).
...
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 4 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.
Remove render-blocking JavaScript:
https://sdk.appadhoc.com/ab.plus.js
...
Optimize CSS Delivery of the following:
https://kaikeba.com/index.css
...
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.
None of the final above-the-fold content could be rendered even with the full HTML response.
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://assets.growingio.com/2.1/gio.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 38.6KiB (63% reduction).
Compressing https://sdk.appadhoc.com/ab.plus.js could save 31.5KiB (64% 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 28.8KiB (11% reduction).
Minifying https://kaikeba.com/index.css could save 28.8KiB (11% reduction) after compression.
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 7.2KiB (23% reduction).
Minifying https://tb.53kf.com/code/code/cb233e776ce62c24990b6d4541716c012/8 could save 7.2KiB (23% 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 2.6KiB (40% reduction).
Minifying https://kaikeba.com/ could save 2.6KiB (40% reduction).

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