Oceana.ne.jp Site Title
ダイビングと海の総合サイト・オーシャナ
Oceana.ne.jp Meta Description
海を愛するすべての人と、海の今とこれからを一緒に考える総合メディア。感動・癒し・興奮・共感・未知との遭遇への一歩に オーシャナの主役は「ダイバー」です。（ダイビング経験者もダイビング未経験者も海を愛するすべての人を「ダイバー」と呼びます。）「ダイバー」が、Oceanα （オーシャナ）を通じて、今の海に関する正直で責任ある情報を知り、学び、一緒に考え、行動していくことで、サスティナブル（持続可能）への寄与と、海をより安全に体験し、より深く楽しむ事ができることを目指します。
Oceana.ne.jp Test Results
oceana.ne.jp 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
<a href="/"></a> is close to 1 other tap targets .
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oceana.ne.jp Mobile Speed: 49/100
Quick overview:
Reduce server response time
In our test, your server responded in 1.5 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.
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 11 blocking script resources and 10 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://ajax.googleapis.com/ajax/libs/jquery/1.10.1/jquery.min.js?ver=1.10.1
...
Optimize CSS Delivery of the following:
https://oceana.ne.jp/wordpress/wp-content/themes/oceana/shared/css/header.css
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Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 181.6KiB (28% reduction).
Compressing https://oceana.ne.jp/wordpress/wp-content/themes/oceana/shared/images/diving_navi/img_01.jpg could save 61.1KiB (45% reduction).
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Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.
Only about 15% of the final above-the-fold content could be rendered with the full HTML response.
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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://abs.twimg.com/emoji/v2/72x72/1f495.png (60 seconds)
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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 4.4KiB (48% reduction).
Minifying https://oceana.ne.jp/wordpress/wp-content/themes/oceana/shared/js/featherlight.js could save 3.7KiB (50% reduction) after compression.
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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 2.5KiB (45% reduction).
Compressing https://oceana.ne.jp/wordpress/wp-content/themes/oceana/shared/js/menu/classie.js could save 585B (61% reduction).
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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 2.1KiB (14% reduction).
Minifying https://oceana.ne.jp/ could save 2.1KiB (14% reduction) after compression.
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 924B (46% reduction).
Minifying https://oceana.ne.jp/wordpress/wp-content/themes/oceana/shared/css/featherlight.css could save 707B (54% reduction) after compression.
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