Chacademy.co.kr Test Results

chacademy.co.kr Mobile Usability: 72/100

Quick overview:
Size content to viewport
The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.
The page content is 1,000 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:
The element <img src="/img/icon_home.png"> falls outside the viewport.
...
Avoid plugins
Your page uses plugins, which prevents portions of your page from being used on many platforms. Find alternatives for plugin based content to increase compatibility.
Find alternatives for the following Flash plugins.
http://chacademy.co.kr/common/swf/main.swf (112 x 14) .
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="/"></a> and 1 others are close to other tap targets.

chacademy.co.kr Mobile Speed: 55/100

Quick overview:
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://chacademy.co.kr/common/css/common.css (expiration not specified)
...
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 4 blocking script resources and 3 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.
http://chacademy.co.kr/common/js/jquery-1.11.0.min.js
...
Optimize CSS Delivery of the following:
http://chacademy.co.kr/common/css/jquery-ui-1.10.4.custom.min.css
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 70.7KiB (31% reduction).
Compressing http://chacademy.co.kr/img/logo3.png could save 5.3KiB (35% 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 667B (13% reduction).
Minifying http://chacademy.co.kr/common/css/jquery-ui-1.10.4.custom.min.css could save 667B (13% 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 618B (15% reduction).
Minifying http://chacademy.co.kr/ could save 618B (15% 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 353B (26% reduction).
Minifying http://chacademy.co.kr/se2/js/HuskyEZCreator.js could save 353B (26% reduction) after compression.

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