Classi.jp Site Title
Classi（クラッシー） - 学校教育のICT活用を支援するクラウドサービス
Classi.jp Meta Description
Classiは、学校のICT化を多角的にサポートする教育プラットフォームです。PCやタブレット、スマートフォンにも対応し、中学校、高校、専門学校など多くの教育現場で活用されています。
Classi.jp Test Results
classi.jp Mobile Usability: 100/100
classi.jp Mobile Speed: 34/100
Quick overview:
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 1.2MiB (80% reduction).
Compressing https://classi.jp/javascripts/aws-sdk-2.5.0.min.js could save 824.6KiB (83% reduction).
...
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking script resources and 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.
https://cdn.ravenjs.com/3.12.1/raven.min.js
Optimize CSS Delivery of the following:
https://classi.jp/stylesheets/style.css
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://classi.jp/images/pc/case/img_case01.png (expiration not specified)
...
Optimize images
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Optimize the following images to reduce their size by 117.8KiB (40% reduction).
Compressing https://classi.jp/images/sp/top/corporate_top_start.jpg could save 79.3KiB (45% 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 30KiB (23% reduction).
Minifying https://classi.jp/stylesheets/style.css could save 30KiB (23% 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 11KiB (19% reduction).
Minifying https://classi.jp/javascripts/ui.js could save 6.1KiB (32% 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 9.5KiB (34% reduction).
Minifying https://classi.jp/ could save 9.5KiB (34% reduction).
Reduce server response time
In our test, your server responded in 0.24 seconds. There are many factors that can slow down your server response time. Please read our recommendations to learn how you can monitor and measure where your server is spending the most time.
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