Itbook.info Site Title

ネットワークエンジニアを目指して - ネットワーク技術の解説

Itbook.info Meta Description

ネットワークエンジニアを目指している方にネットワーク技術の解説。ネットワークの基本であるルーティング技術。Cisco資格の受験やCCNA問題。 /

Itbook.info Test Results

itbook.info 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 id="abgc" class="abgc"></div> is close to 1 other tap targets.

itbook.info Mobile Speed: 75/100

Quick overview:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 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.
Optimize CSS Delivery of the following:
https://www.itbook.info/css/bootstrap.min.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://ad.jp.ap.valuecommerce.com/vc/images/1x1.gif (expiration not specified)
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 37.1KiB (21% reduction).
Compressing https://tpc.googlesyndication.com/daca_images/simgad/14722244764814578422 could save 21.8KiB (24% reduction).
...

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