14.5 sec in total
4 sec
10 sec
489 ms
Visit dai-one.jp now to see the best up-to-date Dai One content for Japan and also check out these interesting facts you probably never knew about dai-one.jp
中古スマホ・中古携帯・白ロム・iPhone・Androidの格安スマホ通信販売!新品携帯から中古携帯まで豊富な品揃え。最短即日配送で商品保証も充実です。SIMフリー端末からガラケーまで取扱いしております。中古スマートフォンを購入するならダイワン!
Visit dai-one.jpWe analyzed Dai-one.jp page load time and found that the first response time was 4 sec and then it took 10.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
dai-one.jp performance score
name
value
score
weighting
Value6.6 s
2/100
10%
Value14.9 s
0/100
25%
Value10.6 s
7/100
10%
Value1,240 ms
19/100
30%
Value0.423
23/100
15%
Value18.6 s
3/100
10%
4018 ms
389 ms
406 ms
215 ms
844 ms
Our browser made a total of 160 requests to load all elements on the main page. We found that 98% of them (156 requests) were addressed to the original Dai-one.jp, 1% (2 requests) were made to Smarticon.geotrust.com and 1% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4 sec) belongs to the original domain Dai-one.jp.
Page size can be reduced by 495.3 kB (26%)
1.9 MB
1.4 MB
In fact, the total size of Dai-one.jp main page is 1.9 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. 35% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 101.7 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 54.1 kB, which is 47% 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 101.7 kB or 88% of the original size.
Potential reduce by 131.6 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. Dai One images are well optimized though.
Potential reduce by 167.9 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 167.9 kB or 68% of the original size.
Potential reduce by 94.1 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. Dai-one.jp needs all CSS files to be minified and compressed as it can save up to 94.1 kB or 84% of the original size.
Number of requests can be reduced by 51 (32%)
159
108
The browser has sent 159 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dai One. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.
dai-one.jp
4018 ms
import.css
389 ms
require.js
406 ms
reset.css
215 ms
common.css
844 ms
contents.css
1150 ms
subpage.css
1091 ms
table.css
556 ms
bloc.css
939 ms
bloc_alpha.css
772 ms
popup.css
803 ms
jquery.suggest.css
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print.css
997 ms
yafuoku_page.css
1056 ms
top_jsbanner.css
1156 ms
jquery.countdown.css
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topslider.css
1204 ms
jquery.galleryview-3.0.css
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si.js
60 ms
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navi.js
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win_op.js
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site.js
207 ms
jquery-1.4.2.min.js
626 ms
ui.core.js
430 ms
ui.tabs.js
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jquery.jcarousel.min.js
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yuga.js
402 ms
jquery.suggest.js
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top_script.js
608 ms
utility.js
612 ms
jquery_002.js
609 ms
topslider.js
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jquery.countdown.js
847 ms
ga.js
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ocn_top01.jpg
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bg.jpg
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logo.jpg
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home.jpg
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arrow_right.png
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smarticon
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button_search.gif
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title_cat.jpg
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memory.gif
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login_button.jpg
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calendar_rest.gif
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payment.gif
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bank.gif
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card.gif
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time.gif
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privacy_link.gif
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facebook.gif
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twitter.gif
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1381 ms
dai-one.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.
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
List items (<li>) are not contained within <ul> or <ol> parent elements.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Form elements do not have associated labels
Links do not have a discernible name
dai-one.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
Missing source maps for large first-party JavaScript
dai-one.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dai-one.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 Dai-one.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.
dai-one.jp
Open Graph description is not detected on the main page of Dai One. 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: