17.4 sec in total
760 ms
15.8 sec
887 ms
Visit j-sumai.com now to see the best up-to-date J Sumai content and also check out these interesting facts you probably never knew about j-sumai.com
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Visit j-sumai.comWe analyzed J-sumai.com page load time and found that the first response time was 760 ms and then it took 16.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
j-sumai.com performance score
name
value
score
weighting
Value3.5 s
35/100
10%
Value0
0/100
25%
Value4.3 s
76/100
10%
Value280 ms
81/100
30%
Value0
100/100
15%
Value6.3 s
61/100
10%
760 ms
1019 ms
504 ms
502 ms
676 ms
Our browser made a total of 78 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original J-sumai.com, 96% (75 requests) were made to Adenium.jp and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (10.6 sec) relates to the external source Adenium.jp.
Page size can be reduced by 3.4 MB (30%)
11.3 MB
8.0 MB
In fact, the total size of J-sumai.com main page is 11.3 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. 25% of websites need less resources to load. Images take 11.0 MB which makes up the majority of the site volume.
Potential reduce by 44.5 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. 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 44.5 kB or 81% of the original size.
Potential reduce by 3.1 MB
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, J Sumai needs image optimization as it can save up to 3.1 MB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 160.3 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 160.3 kB or 74% of the original size.
Potential reduce by 40.0 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. J-sumai.com needs all CSS files to be minified and compressed as it can save up to 40.0 kB or 80% of the original size.
Number of requests can be reduced by 16 (21%)
75
59
The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of J Sumai. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
j-sumai.com
760 ms
adenium.jp
1019 ms
main.css
504 ms
responsive.css
502 ms
style.css
676 ms
jquery.js
1287 ms
util.js
945 ms
newmain.js
736 ms
viewport.js
836 ms
index.js
868 ms
accessibility.css
1023 ms
init.js
1082 ms
jquery.heightLine.js
1253 ms
flexslider.css
1235 ms
jquery.flexslider.js
2133 ms
jquery.mousewheel.js
1407 ms
_js_modules.js
1264 ms
reset.css
1099 ms
util.css
1296 ms
css
76 ms
space.gif
184 ms
hdr-logo.png
337 ms
hdr-logo.png
338 ms
nav-premium_club.png
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btn-news.png
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bg-feature.jpg
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kYZt1bJ8UsGAPRGnkXPeFZ0EAVxt0G0biEntp43Qt6E.ttf
39 ms
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ftr-logo01.png
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pagetop.png
4654 ms
j-sumai.com 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
Document doesn't have a <title> element
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.
j-sumai.com 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
j-sumai.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Document doesn't have a <title> element
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise J-sumai.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that J-sumai.com 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.
j-sumai.com
Open Graph description is not detected on the main page of J Sumai. 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: