7 sec in total
588 ms
5.6 sec
774 ms
Visit datajapan.ne.jp now to see the best up-to-date Datajapan content for Japan and also check out these interesting facts you probably never knew about datajapan.ne.jp
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Visit datajapan.ne.jpWe analyzed Datajapan.ne.jp page load time and found that the first response time was 588 ms and then it took 6.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
datajapan.ne.jp performance score
name
value
score
weighting
Value6.8 s
1/100
10%
Value8.0 s
2/100
25%
Value12.0 s
4/100
10%
Value3,880 ms
1/100
30%
Value0
100/100
15%
Value13.3 s
12/100
10%
588 ms
2829 ms
48 ms
288 ms
243 ms
Our browser made a total of 57 requests to load all elements on the main page. We found that 81% of them (46 requests) were addressed to the original Datajapan.ne.jp, 7% (4 requests) were made to Fonts.gstatic.com and 5% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Datajapan.ne.jp.
Page size can be reduced by 366.9 kB (40%)
920.1 kB
553.3 kB
In fact, the total size of Datajapan.ne.jp main page is 920.1 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. 70% of websites need less resources to load. Images take 505.1 kB which makes up the majority of the site volume.
Potential reduce by 59.4 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 59.4 kB or 76% of the original size.
Potential reduce by 66.8 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. Obviously, Datajapan needs image optimization as it can save up to 66.8 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 126.4 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 126.4 kB or 63% of the original size.
Potential reduce by 114.2 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. Datajapan.ne.jp needs all CSS files to be minified and compressed as it can save up to 114.2 kB or 84% of the original size.
Number of requests can be reduced by 32 (63%)
51
19
The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Datajapan. 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 8 to 1 for CSS and as a result speed up the page load time.
datajapan.ne.jp
588 ms
www.datajapan.ne.jp
2829 ms
js
48 ms
analytics.js
288 ms
wp-emoji-release.min.js
243 ms
style.min.css
538 ms
autoptimize_single_eeb616c7d096549b9792359164dafe24.css
707 ms
autoptimize_single_e6fae855021a88a0067fcc58121c594f.css
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swipebox.min.css
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rpt_style.min.css
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autoptimize_single_8c2990c122c9dcf01c6c3e1370c3aab3.css
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frontend-gtag.min.js
754 ms
jquery.min.js
1034 ms
jquery-migrate.min.js
874 ms
jquery.swipebox.min.js
887 ms
underscore.min.js
909 ms
infinite-scroll.pkgd.min.js
935 ms
front.js
1075 ms
rpt.min.js
1076 ms
jquery.cookie.min.js
1078 ms
rackhost.js
1079 ms
css2
213 ms
autoptimize_single_b839ab99c6bf748cc090d1cf4143ab07.css
1065 ms
comment-reply.min.js
1222 ms
regenerator-runtime.min.js
1223 ms
wp-polyfill.min.js
1216 ms
index.js
1217 ms
linkid.js
89 ms
collect
49 ms
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43 ms
ga-audiences
104 ms
dataweb013.png
477 ms
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661 ms
cojpcampaign202209c.png
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dataweb_logo.png
293 ms
VW_logo.png
293 ms
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domain_logo.png
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datajapan.ne.jp accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
button, link, and menuitem elements do not have accessible names.
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
datajapan.ne.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
datajapan.ne.jp SEO score
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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Datajapan.ne.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 Datajapan.ne.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.
datajapan.ne.jp
Open Graph data is detected on the main page of Datajapan. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: