Jsrae.or.jp Site Title

日本冷凍空調学会

Jsrae.or.jp Test Results

jsrae.or.jp Mobile Usability: 90/100

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 <input type="button"> and 2 others are close to other tap targets .
...
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.
https://jsrae.or.jp/assets/flash/ZeroClipboard.swf?noCache=1471836648779

jsrae.or.jp Mobile Speed: 50/100

Quick overview:
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 461.4KiB (68% reduction).
Compressing and resizing https://jsrae.or.jp/common/CPD.jpg could save 163.6KiB (96% 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 259.6KiB (77% reduction).
Compressing https://jsrae.or.jp/common/css/bootstrap.css could save 122.2KiB (85% reduction).
...
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://jsrae.or.jp/PR/images/Daikin.png (expiration not specified)
...
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.
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.
Optimize CSS Delivery of the following:
https://jsrae.or.jp/common/css/bootstrap.css
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 17.4KiB (12% reduction).
Minifying https://jsrae.or.jp/common/css/bootstrap.css could save 16.8KiB (12% reduction).
...
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 8.3KiB (19% reduction).
Minifying https://jsrae.or.jp/ could save 8.3KiB (19% reduction).

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