4 sec in total
579 ms
3.1 sec
366 ms
Visit dualtokyo.co.jp now to see the best up-to-date Dualtokyo content and also check out these interesting facts you probably never knew about dualtokyo.co.jp
株式会社&Co.は、モバイルアプリ開発・Eコマースシステム・サーバー構築などを通じ、私たちに関わるすべての人へ感動を提供する企業を目指しています。
Visit dualtokyo.co.jpWe analyzed Dualtokyo.co.jp page load time and found that the first response time was 579 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
dualtokyo.co.jp performance score
name
value
score
weighting
Value5.2 s
8/100
10%
Value13.8 s
0/100
25%
Value11.3 s
5/100
10%
Value100 ms
98/100
30%
Value0.474
18/100
15%
Value10.7 s
22/100
10%
579 ms
730 ms
160 ms
318 ms
321 ms
Our browser made a total of 86 requests to load all elements on the main page. We found that 44% of them (38 requests) were addressed to the original Dualtokyo.co.jp, 17% (15 requests) were made to Scontent.xx.fbcdn.net and 15% (13 requests) were made to Pbs.twimg.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Dualtokyo.co.jp.
Page size can be reduced by 120.3 kB (15%)
826.6 kB
706.3 kB
In fact, the total size of Dualtokyo.co.jp main page is 826.6 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Images take 644.1 kB which makes up the majority of the site volume.
Potential reduce by 14.5 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. This page needs HTML code to be minified as it can gain 2.9 kB, which is 15% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 14.5 kB or 75% of the original size.
Potential reduce by 4.6 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. Dualtokyo images are well optimized though.
Potential reduce by 69.5 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 69.5 kB or 55% of the original size.
Potential reduce by 31.7 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. Dualtokyo.co.jp needs all CSS files to be minified and compressed as it can save up to 31.7 kB or 84% of the original size.
Number of requests can be reduced by 36 (43%)
84
48
The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dualtokyo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
dualtokyo.co.jp
579 ms
www.dualtokyo.co.jp
730 ms
reset.css
160 ms
style.css
318 ms
colorbox.css
321 ms
jquery-1.8.1.min.js
509 ms
jqueryAutoHeight.js
346 ms
smoothScroll.js
364 ms
jquery.colorbox-min.js
370 ms
jquery.fullwidthslider.1.0.js
473 ms
head_bg.gif
159 ms
body_bg.gif
160 ms
header_logo.png
190 ms
header_twitter.png
190 ms
header_facebook.png
172 ms
header_instagram.png
178 ms
service1.jpg
891 ms
service2.jpg
717 ms
brand1.gif
338 ms
brand2.gif
349 ms
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379 ms
brand5.gif
505 ms
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522 ms
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560 ms
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brand11.gif
787 ms
cat_all.gif
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cat_web.gif
791 ms
shop_blog.gif
792 ms
pagetop.gif
884 ms
movie_bg.jpg
1207 ms
brandlist_bg.jpg
903 ms
right_arrow.gif
909 ms
widgets.js
31 ms
footer_twitter.png
896 ms
footer_facebook.png
912 ms
footer_instagram.png
933 ms
ga.js
21 ms
overlay.png
1026 ms
timeline.d11f7a3b3287fb94220e8ee6d03cc772.js
26 ms
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22 ms
likebox.php
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syndication
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dualtokyo.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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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.
dualtokyo.co.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
dualtokyo.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
Tap targets are not sized appropriately
JA
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dualtokyo.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it does not match the claimed English language. Our system also found out that Dualtokyo.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.
dualtokyo.co.jp
Open Graph description is not detected on the main page of Dualtokyo. 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: