49.3 sec in total
595 ms
46.1 sec
2.6 sec
Click here to check amazing Double content for Japan. Otherwise, check out these important facts you probably never knew about double.co.jp
イタリア・フランスを中心とした海外人気ブランドの通販サイト、インポートショップDOUBLE(ドゥーブル)。新作も最大80%OFF!全国どこでも送料無料。
Visit double.co.jpWe analyzed Double.co.jp page load time and found that the first response time was 595 ms and then it took 48.7 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
double.co.jp performance score
name
value
score
weighting
Value5.6 s
5/100
10%
Value16.9 s
0/100
25%
Value14.8 s
1/100
10%
Value4,350 ms
1/100
30%
Value0.79
5/100
15%
Value17.7 s
4/100
10%
595 ms
332 ms
335 ms
347 ms
679 ms
Our browser made a total of 318 requests to load all elements on the main page. We found that 12% of them (37 requests) were addressed to the original Double.co.jp, 79% (250 requests) were made to Gigaplus.makeshop.jp and 2% (6 requests) were made to Double2015.shop38.makeshop.jp. The less responsive or slowest element that took the longest time to load (9.5 sec) relates to the external source Gigaplus.makeshop.jp.
Page size can be reduced by 689.8 kB (2%)
29.4 MB
28.7 MB
In fact, the total size of Double.co.jp main page is 29.4 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 28.5 MB which makes up the majority of the site volume.
Potential reduce by 122.2 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 122.2 kB or 86% of the original size.
Potential reduce by 35.2 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Double images are well optimized though.
Potential reduce by 440.8 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 440.8 kB or 69% of the original size.
Potential reduce by 91.5 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Double.co.jp needs all CSS files to be minified and compressed as it can save up to 91.5 kB or 81% of the original size.
Number of requests can be reduced by 58 (19%)
312
254
The browser has sent 312 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Double. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.
double.co.jp
595 ms
m_sys_common.css
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import.css
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double.co.jp accessibility score
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Image elements do not have [alt] attributes
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
double.co.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
double.co.jp SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
JA
JA
EUC-JP
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Double.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Double.co.jp main page’s claimed encoding is euc-jp. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
double.co.jp
Open Graph description is not detected on the main page of Double. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: