Tools & Wizards About Us
jema-net.or.jp screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

jema-net.or.jp

JEMA 一般社団法人 日本電機工業会

Page Load Speed

5 sec in total

First Response

705 ms

Resources Loaded

4.1 sec

Page Rendered

155 ms

jema-net.or.jp screenshot

About Website

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

一般社団法人　日本電機工業会（JEMA）は日本の電機産業の国際競争力を強化し、社会・生活インフラの改善と向上を図り、持続可能な世界の進展に貢献するために持続的発展のための施策立案・推進をはじめ、国レベルの技術研究開発への協力・支援、エネルギーの安定供給と利用の高度化、地球環境保全への対応、省エネルギーへの取組み、国際標準化・適合性評価活動、製品安全啓発等を推進しています。

Visit jema-net.or.jp

Key Findings

We analyzed Jema-net.or.jp page load time and found that the first response time was 705 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

jema-net.or.jp performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

26/100

10%

LCP (Largest Contentful Paint)

Value13.4 s

0/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value480 ms

60/100

30%

CLS (Cumulative Layout Shift)

Value1.117

1/100

15%

TTI (Time to Interactive)

Value11.5 s

18/100

10%

Network Requests Diagram

jema-net.or.jp

705 ms

reset.css

331 ms

ua.js

340 ms

optimizer.js

379 ms

styleswitcher.js

383 ms

Our browser made a total of 97 requests to load all elements on the main page. We found that 90% of them (87 requests) were addressed to the original Jema-net.or.jp, 3% (3 requests) were made to Googletagmanager.com and 2% (2 requests) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Jema-net.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 363.7 kB (35%)

Content Size

1.0 MB

After Optimization

661.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jema-net.or.jp main page is 1.0 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. 55% of websites need less resources to load. Images take 821.8 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 51.3 kB

  • Original 60.8 kB
  • After minification 49.8 kB
  • After compression 9.5 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 11.0 kB, which is 18% 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 51.3 kB or 84% of the original size.

Image Optimization

-25%

Potential reduce by 204.5 kB

  • Original 821.8 kB
  • After minification 617.3 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, JEMA Net needs image optimization as it can save up to 204.5 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 84.3 kB

  • Original 113.2 kB
  • After minification 86.4 kB
  • After compression 28.9 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 84.3 kB or 74% of the original size.

CSS Optimization

-81%

Potential reduce by 23.6 kB

  • Original 29.0 kB
  • After minification 23.6 kB
  • After compression 5.4 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 23.6 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (36%)

Requests Now

96

After Optimization

61

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 96 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 14 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jema-net.or.jp

jema-net.or.jp

705 ms

reset.css

reset.css

331 ms

ua.js

ua.js

340 ms

optimizer.js

optimizer.js

379 ms

styleswitcher.js

styleswitcher.js

383 ms

jquery-3.5.1.min.js

jquery-3.5.1.min.js

23 ms

jquery-ui.js

jquery-ui.js

28 ms

dialog.js

dialog.js

428 ms

accordion.js

accordion.js

432 ms

jquery.bxslider.js

jquery.bxslider.js

498 ms

bxslider.js

bxslider.js

507 ms

slick.css

slick.css

21 ms

slick.min.js

slick.min.js

22 ms

skin.css

skin.css

567 ms

pc_tablet.css

pc_tablet.css

385 ms

medium.css

medium.css

264 ms

jquery.ui.dialog.css

jquery.ui.dialog.css

269 ms

small.css

small.css

284 ms

large.css

large.css

297 ms

gtm.js

gtm.js

100 ms

logo_pc.gif

logo_pc.gif

204 ms

btn_member_pc.jpg

btn_member_pc.jpg

283 ms

btn_online_pc.jpg

btn_online_pc.jpg

283 ms

btn_contact_pc.jpg

btn_contact_pc.jpg

203 ms

btn_en_pc.gif

btn_en_pc.gif

281 ms

pic_size.gif

pic_size.gif

281 ms

moji_sml.gif

moji_sml.gif

372 ms

btn_search_pc.gif

btn_search_pc.gif

371 ms

navarea_bg_pc.jpg

navarea_bg_pc.jpg

406 ms

nav_jema_pc.gif

nav_jema_pc.gif

410 ms

icn_dialog_pc.gif

icn_dialog_pc.gif

457 ms

nav_electric_pc.gif

nav_electric_pc.gif

460 ms

nav_energy_pc.gif

nav_energy_pc.gif

524 ms

nav_plant_pc.gif

nav_plant_pc.gif

536 ms

nav_consumer_pc.gif

nav_consumer_pc.gif

595 ms

nav_earth_pc.gif

nav_earth_pc.gif

600 ms

nav_standard_pc.gif

nav_standard_pc.gif

671 ms

nav_data_pc.gif

nav_data_pc.gif

676 ms

nav_info_pc.gif

nav_info_pc.gif

688 ms

g_nav_pc.png

g_nav_pc.png

1043 ms

bnr_shiunten.png

bnr_shiunten.png

972 ms

bnr_04_pc.jpg

bnr_04_pc.jpg

792 ms

bnr_05_pc.jpg

bnr_05_pc.jpg

1099 ms

bnr_chikuden_pc.png

bnr_chikuden_pc.png

1107 ms

bnr_ricecooker.jpg

bnr_ricecooker.jpg

856 ms

zeh_bnr2_PC.jpg

zeh_bnr2_PC.jpg

983 ms

iotha_bnr2_PC.jpg

iotha_bnr2_PC.jpg

1023 ms

bnr_kaden_safety.gif

bnr_kaden_safety.gif

1161 ms

bnr_07_pc.jpg

bnr_07_pc.jpg

1175 ms

bnr_09_lca.png

bnr_09_lca.png

1192 ms

bnr_GBF23.jpg

bnr_GBF23.jpg

1212 ms

bnr_gw.png

bnr_gw.png

1315 ms

bnr_study.gif

bnr_study.gif

1323 ms

IIFES-2024.jpg

IIFES-2024.jpg

1350 ms

bnr_pcb.jpg

bnr_pcb.jpg

1366 ms

bnrA_320x100.jpg

bnrA_320x100.jpg

1335 ms

js

js

44 ms

js

js

115 ms

analytics.js

analytics.js

17 ms

collect

collect

78 ms

bnr_shiunten_sp.png

bnr_shiunten_sp.png

1351 ms

bnr_chikuden_sp.png

bnr_chikuden_sp.png

1758 ms

collect

collect

120 ms

bnr_04_sp.jpg

bnr_04_sp.jpg

1480 ms

bnr_05_sp.jpg

bnr_05_sp.jpg

1456 ms

zeh_bnr2_SP.jpg

zeh_bnr2_SP.jpg

1245 ms

iotha_bnr2_SP.jpg

iotha_bnr2_SP.jpg

1192 ms

bnr_07_sp.png

bnr_07_sp.png

1324 ms

h2_latest.png

h2_latest.png

1352 ms

title_all.gif

title_all.gif

1348 ms

btn_pagetop.gif

btn_pagetop.gif

1451 ms

btn_electric_off.jpg

btn_electric_off.jpg

1436 ms

btn_energy_off.jpg

btn_energy_off.jpg

1467 ms

btn_plant_off.jpg

btn_plant_off.jpg

1421 ms

btn_consumer_off.jpg

btn_consumer_off.jpg

1441 ms

btn_earth_off.jpg

btn_earth_off.jpg

1430 ms

btn_standard_off.jpg

btn_standard_off.jpg

1461 ms

btn_data_off.jpg

btn_data_off.jpg

1444 ms

btn_seminar_off.jpg

btn_seminar_off.jpg

1460 ms

btn_opinion_off.jpg

btn_opinion_off.jpg

1487 ms

btn_info_off.jpg

btn_info_off.jpg

1400 ms

icn_data_pc.gif

icn_data_pc.gif

1333 ms

icn_earth_pc.gif

icn_earth_pc.gif

1260 ms

icn_info_pc.gif

icn_info_pc.gif

1320 ms

icn_energy_pc.gif

icn_energy_pc.gif

1302 ms

icn_seminar_pc.gif

icn_seminar_pc.gif

1347 ms

icn_consumer_pc.gif

icn_consumer_pc.gif

1256 ms

icn_standard_pc.gif

icn_standard_pc.gif

1301 ms

icn_electric_pc.gif

icn_electric_pc.gif

1239 ms

icn_plant_pc.gif

icn_plant_pc.gif

1317 ms

h2_info.png

h2_info.png

1325 ms

h2_opinion.png

h2_opinion.png

1307 ms

h2_press.png

h2_press.png

1289 ms

h2_seminar.png

h2_seminar.png

1246 ms

h2_pickup.png

h2_pickup.png

1275 ms

arrow_bottom.png

arrow_bottom.png

1323 ms

arrow_top.png

arrow_top.png

1343 ms

Accessibility Review

jema-net.or.jp accessibility score

73

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<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

High

Form elements do not have associated labels

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

jema-net.or.jp best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

jema-net.or.jp SEO score

82

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    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.

Social Sharing Optimization

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: