Teratail.com Site Title

teratail【テラテイル】|思考するエンジニアのためのQAプラットフォーム

Teratail.com Meta Description

teratail(テラテイル)は、WEBエンジニア専用のQ&Aサイトです。作業中発生したバグを投稿すると、すばやく回答を得られます。エンジニア同士で技術問題を解決できる、新しいプラットフォームです。

Teratail.com Test Results

Teratail.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 <input id="RadioOr" type="radio" name="conditions"> is close to 1 other tap targets.

Teratail.com Mobile Speed: 42/100

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 868.6KiB (69% reduction).
Compressing https://teratail.com/js/de52b1be3e7acfbd36b2.2.js?1477903121002 could save 503.7KiB (70% reduction).
...
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 8 blocking CSS resources. This causes a delay in rendering your page.
Optimize CSS Delivery of the following:
https://teratail.com/css/sp/common.css?1477903185
...
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://b92.yahoo.co.jp/js/s_retargeting.js (expiration not specified)
...
Reduce server response time
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 3.9KiB (23% reduction).
Minifying https://d-cache.microad.jp/js/blade_track_jp.js could save 1.9KiB (23% reduction).
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 1.7KiB (58% reduction).
Compressing https://teratail.storage.googleapis.com/uploads/avatars/u5/57937/b0ce33188d813870_thumbnail_16x16.png could save 1.1KiB (57% reduction).
...

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