6.4 sec in total
1.3 sec
4.9 sec
215 ms
Visit jema-net.or.jp now to see the best up-to-date JEMA Net content for Japan and also check out these interesting facts you probably never knew about jema-net.or.jp
電力・産業システム、新エネルギー、原子力プラントシステム、家電機器、地球環境保全、規格・標準化、統計、ニュースリリースや当会の概要等を含む、JEMA総合ご案内ページです。
Visit jema-net.or.jpWe analyzed Jema-net.or.jp page load time and found that the first response time was 1.3 sec and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
jema-net.or.jp performance score
name
value
score
weighting
Value4.0 s
23/100
10%
Value10.6 s
0/100
25%
Value5.8 s
51/100
10%
Value200 ms
90/100
30%
Value0.836
5/100
15%
Value8.8 s
36/100
10%
1254 ms
294 ms
317 ms
356 ms
361 ms
Our browser made a total of 90 requests to load all elements on the main page. We found that all of those requests were addressed to Jema-net.or.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Jema-net.or.jp.
Page size can be reduced by 465.7 kB (41%)
1.1 MB
681.6 kB
In fact, the total size of Jema-net.or.jp main page is 1.1 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. 20% of websites need less resources to load. Images take 558.7 kB which makes up the majority of the site volume.
Potential reduce by 61.6 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. This page needs HTML code to be minified as it can gain 22.0 kB, which is 30% 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 61.6 kB or 85% of the original size.
Potential reduce by 31.7 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. JEMA Net images are well optimized though.
Potential reduce by 350.5 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 350.5 kB or 72% of the original size.
Potential reduce by 21.9 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. Jema-net.or.jp needs all CSS files to be minified and compressed as it can save up to 21.9 kB or 81% of the original size.
Number of requests can be reduced by 36 (40%)
89
53
The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JEMA Net. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
jema-net.or.jp
1254 ms
reset.css
294 ms
ua.js
317 ms
optimizer.js
356 ms
styleswitcher.js
361 ms
jquery-1.10.2.min.js
1400 ms
jquery-ui-1.10.4.custom.min.js
1720 ms
dialog.js
471 ms
accordion.js
531 ms
jquery.bxslider.js
1241 ms
bxslider.js
627 ms
jquery-1.6.1.min.js
1634 ms
jquery.jcarousel.min.js
1097 ms
jcarusel.js
884 ms
skin.css
1054 ms
pc_tablet.css
875 ms
medium.css
902 ms
jquery.ui.dialog.css
1046 ms
small.css
1064 ms
large.css
1058 ms
logo_pc.gif
173 ms
btn_member_pc.jpg
180 ms
btn_online_pc.jpg
181 ms
btn_contact_pc.jpg
159 ms
btn_en_pc.gif
196 ms
pic_size.gif
148 ms
moji_sml.gif
318 ms
btn_search_pc.gif
293 ms
navarea_bg_pc.jpg
316 ms
nav_jema_pc.gif
357 ms
icn_dialog_pc.gif
357 ms
nav_electric_pc.gif
391 ms
nav_energy_pc.gif
438 ms
nav_plant_pc.gif
473 ms
nav_consumer_pc.gif
488 ms
nav_earth_pc.gif
534 ms
nav_standard_pc.gif
535 ms
nav_data_pc.gif
585 ms
nav_info_pc.gif
582 ms
g_nav_pc.png
1295 ms
bnr_01_pc.gif
829 ms
bnr_02_pc.jpg
887 ms
bnr_04_pc.jpg
712 ms
bnr_05_pc.jpg
728 ms
bnr_kaden_safety.gif
780 ms
bnr_07_pc.jpg
889 ms
bnr_08_pc.jpg
873 ms
bnr_03_pc.jpg
1168 ms
bnr_01_sp.gif
1380 ms
bnr_02_sp.jpg
1165 ms
bnr_04_sp.jpg
1463 ms
bnr_05_sp.jpg
1422 ms
bnr_07_sp.png
1311 ms
bnr_08_sp.png
1947 ms
bnr_03_sp.png
1450 ms
h2_latest.png
1456 ms
title_all.gif
1410 ms
btn_electric_off.jpg
1457 ms
btn_energy_off.jpg
1454 ms
btn_plant_off.jpg
1428 ms
btn_consumer_off.jpg
1467 ms
btn_earth_off.jpg
1532 ms
btn_standard_off.jpg
1490 ms
btn_data_off.jpg
1437 ms
btn_seminar_off.jpg
1453 ms
btn_opinion_off.jpg
1465 ms
btn_info_off.jpg
1540 ms
icn_standard_pc.gif
1508 ms
icn_data_pc.gif
1489 ms
icn_plant_pc.gif
1488 ms
icn_info_pc.gif
1513 ms
icn_consumer_pc.gif
1509 ms
icn_seminar_pc.gif
1535 ms
icn_earth_pc.gif
1503 ms
icn_opinion_pc.gif
1561 ms
icn_energy_pc.gif
1425 ms
icn_electric_pc.gif
1449 ms
icn_press_pc.gif
1409 ms
h2_info.png
1411 ms
notice.png
1366 ms
h2_opinion.png
1427 ms
h2_press.png
1450 ms
h2_seminar.png
1188 ms
h2_pickup.png
1165 ms
h2_access.png
1117 ms
icn_tel.png
1085 ms
btn_map.png
1106 ms
btn_pagetop.gif
1055 ms
arrow_bottom.png
1082 ms
arrow_top.png
1073 ms
jema-net.or.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.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Form elements do not have associated labels
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.
jema-net.or.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Registers an unload listener
Detected JavaScript libraries
jema-net.or.jp SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jema-net.or.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese 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 Jema-net.or.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.
jema-net.or.jp
Open Graph description is not detected on the main page of JEMA Net. 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: