Izu-oshima.or.jp Site Title

一般社団法人大島観光協会

Izu-oshima.or.jp Meta Description

伊豆大島は東京から120km南の洋上に浮かぶ伊豆諸島最大の島。そこは、黒潮の影響により一年を通じて温暖な気候に恵まれ、島の中央にそびえる御神火こと三原山を中心とした火山島ならではの地形からなる特徴的な景観があなたを迎えます。地図上で見る島の位置からは想像できないくらい、ましてや、東京都とは思えないほど、自然豊かで独特な風景が広がっています。ぜひお越しください!

Izu-oshima.or.jp Test Results

izu-oshima.or.jp Mobile Usability: 100/100


izu-oshima.or.jp Mobile Speed: 55/100

Quick overview:
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 341.2KiB (52% reduction).
Compressing http://izu-oshima.or.jp/images/main.jpg could save 116.3KiB (54% reduction).
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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:
http://izu-oshima.or.jp/css/class.color.css (expiration not specified)
...
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 127.4KiB (69% reduction).
Compressing http://izu-oshima.or.jp/js/jquery.js could save 61.5KiB (65% reduction).
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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:
http://izu-oshima.or.jp/css/import.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 15.5KiB (28% reduction).
Minifying http://izu-oshima.or.jp/css/style.css could save 9KiB (26% 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 1.5KiB (65% reduction).
Minifying http://izu-oshima.or.jp/js/jquery.smoothscroll.js could save 1.2KiB (70% reduction).
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