19.4 sec in total
531 ms
18.2 sec
702 ms
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 531 ms and then it took 18.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.
double.co.jp performance score
name
value
score
weighting
Value5.0 s
10/100
10%
Value15.9 s
0/100
25%
Value17.2 s
0/100
10%
Value8,160 ms
0/100
30%
Value0.554
13/100
15%
Value21.2 s
1/100
10%
531 ms
2585 ms
917 ms
1601 ms
363 ms
Our browser made a total of 87 requests to load all elements on the main page. We found that 7% of them (6 requests) were addressed to the original Double.co.jp, 83% (72 requests) were made to Shopdouble2023.itembox.design and 3% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.3 sec) relates to the external source Shopdouble2023.itembox.design.
Page size can be reduced by 411.8 kB (25%)
1.6 MB
1.2 MB
In fact, the total size of Double.co.jp main page is 1.6 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. 65% of websites need less resources to load. Images take 877.5 kB which makes up the majority of the site volume.
Potential reduce by 344.6 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 344.6 kB or 91% of the original size.
Potential reduce by 12.4 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 51.3 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 51.3 kB or 17% of the original size.
Potential reduce by 3.5 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 has all CSS files already compressed.
Number of requests can be reduced by 23 (27%)
85
62
The browser has sent 85 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 14 to 1 for JavaScripts and as a result speed up the page load time.
double.co.jp
531 ms
double.co.jp
2585 ms
fs_style.css
917 ms
fs_theme.css
1601 ms
webstore-vg.js
363 ms
recommend.js
851 ms
jquery-2.2.4.min.js
23 ms
lazyload.min.js
1803 ms
slick.min.js
39 ms
js
66 ms
webstore.js
894 ms
gtm.js
1200 ms
logo.jpg
1203 ms
icon_member.svg
1200 ms
icon_mail.svg
1201 ms
icon_favorite.svg
1204 ms
icon_my.svg
1198 ms
icon_search.svg
1203 ms
icon_cart.svg
1238 ms
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btn_info_flow.svg
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btn_info_time.svg
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btn_info_item.svg
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btn_info_size.svg
2351 ms
btn_info_gift.svg
2346 ms
btn_info_pay.svg
2353 ms
btn_info_deliv.svg
2608 ms
btn_info_re.svg
2943 ms
icon_member_w.svg
2827 ms
icon_mail_w.svg
3060 ms
icon_favorite_w.svg
3054 ms
icon_my_w.svg
2530 ms
btn_top.svg
3253 ms
316 ms
loading.svg
1590 ms
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1931 ms
fs-icon.ttf
2543 ms
js
144 ms
1d37f754-a6c1-4d37-8c66-371997d9b0d0.js
141 ms
tm.js
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common.js
709 ms
rss.js
188 ms
double.co.jp accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
double.co.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Tap targets are not sized appropriately
JA
JA
UTF-8
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 utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
double.co.jp
Open Graph data is detected on the main page of Double. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: