Tools & Wizards About Us
eei.or.jp screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

eei.or.jp

一般財団法人 電気工事技術講習センター

Page Load Speed

6.8 sec in total

First Response

559 ms

Resources Loaded

5.9 sec

Page Rendered

355 ms

eei.or.jp screenshot

About Website

Visit eei.or.jp now to see the best up-to-date Eei content for Japan and also check out these interesting facts you probably never knew about eei.or.jp

一般財団法人 電気工事技術講習センターのサイトです。経済産業大臣指定第１号の指定講習機関として、第一種電気工事士定期講習を実施しています。第一種電気工事士 定期講習は、25年以上の実績を持つ一般財団法人 電気工事技術講習センターへ。

Visit eei.or.jp

Key Findings

We analyzed Eei.or.jp page load time and found that the first response time was 559 ms and then it took 6.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

eei.or.jp performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value8.4 s

19/100

10%

TBT (Total Blocking Time)

Value1,560 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

eei.or.jp

559 ms

eei.or.jp

731 ms

www.eei.or.jp

1460 ms

gtm.js

72 ms

common.css

654 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 84% of them (56 requests) were addressed to the original Eei.or.jp, 10% (7 requests) were made to Google.com and 3% (2 requests) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Eei.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 107.6 kB (9%)

Content Size

1.2 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Eei.or.jp main page is 1.2 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. 30% of websites need less resources to load. Images take 923.1 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 36.4 kB

  • Original 48.4 kB
  • After minification 42.1 kB
  • After compression 12.1 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 6.4 kB, which is 13% 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 36.4 kB or 75% of the original size.

Image Optimization

-2%

Potential reduce by 21.7 kB

  • Original 923.1 kB
  • After minification 901.4 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. Eei images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 6.2 kB

  • Original 189.8 kB
  • After minification 186.3 kB
  • After compression 183.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-76%

Potential reduce by 43.3 kB

  • Original 57.1 kB
  • After minification 39.7 kB
  • After compression 13.8 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. Eei.or.jp needs all CSS files to be minified and compressed as it can save up to 43.3 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (40%)

Requests Now

63

After Optimization

38

  • Images
  • JavaScript
  • CSS

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Eei. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

eei.or.jp

eei.or.jp

559 ms

eei.or.jp

eei.or.jp

731 ms

www.eei.or.jp

www.eei.or.jp

1460 ms

gtm.js

gtm.js

72 ms

common.css

common.css

654 ms

top.css

top.css

666 ms

jquery.min.js

jquery.min.js

25 ms

common.js

common.js

1488 ms

jquery.flatheight.js

jquery.flatheight.js

529 ms

arrow01.gif

arrow01.gif

178 ms

logo.gif

logo.gif

180 ms

btn_contact.gif

btn_contact.gif

168 ms

btn_faq.gif

btn_faq.gif

167 ms

btn_column.gif

btn_column.gif

169 ms

logo-x.png

logo-x.png

334 ms

menu01.png

menu01.png

336 ms

menu02.png

menu02.png

338 ms

menu03.png

menu03.png

354 ms

menu04.png

menu04.png

357 ms

main.jpg

main.jpg

1294 ms

tit03.gif

tit03.gif

496 ms

btn07.png

btn07.png

502 ms

tit01.gif

tit01.gif

503 ms

btn03.png

btn03.png

532 ms

tit08.gif

tit08.gif

539 ms

txt01.gif

txt01.gif

661 ms

txt02.gif

txt02.gif

672 ms

txt03.gif

txt03.gif

666 ms

txt04.gif

txt04.gif

711 ms

txt05.gif

txt05.gif

725 ms

bnr_corporate.png

bnr_corporate.png

824 ms

bnr_corporate_btn01.png

bnr_corporate_btn01.png

830 ms

bnr_corporate_btn02.png

bnr_corporate_btn02.png

837 ms

bnr_information_mg.jpg

bnr_information_mg.jpg

1238 ms

bnrsp_information_mg.jpg

bnrsp_information_mg.jpg

1258 ms

tit04.gif

tit04.gif

989 ms

arrow02.gif

arrow02.gif

995 ms

tit05.gif

tit05.gif

1005 ms

tit06.gif

tit06.gif

1151 ms

tit07.gif

tit07.gif

1160 ms

arrow03.gif

arrow03.gif

1172 ms

btn06.gif

btn06.gif

1315 ms

bnr02.png

bnr02.png

1651 ms

btn05.gif

btn05.gif

1337 ms

cse.js

cse.js

64 ms

illust.jpg

illust.jpg

1886 ms

cse.js

cse.js

50 ms

illust_btn01.gif

illust_btn01.gif

1273 ms

illust_btn02.gif

illust_btn02.gif

1292 ms

illust_btn03.gif

illust_btn03.gif

1316 ms

cse_element__ja.js

cse_element__ja.js

11 ms

default+ja.css

default+ja.css

8 ms

default.css

default.css

11 ms

illust_btn04.gif

illust_btn04.gif

1331 ms

3346d0b906497835a73d2049dcadbc26-592x400.jpg

3346d0b906497835a73d2049dcadbc26-592x400.jpg

1440 ms

async-ads.js

async-ads.js

25 ms

branding.png

branding.png

21 ms

clear.png

clear.png

18 ms

nav_logo114.png

nav_logo114.png

18 ms

ffb0eb9f073d8c366e41783d93a8b43e-592x400.jpg

ffb0eb9f073d8c366e41783d93a8b43e-592x400.jpg

1291 ms

b180045915c5145a041773c11238127a-592x400.jpg

b180045915c5145a041773c11238127a-592x400.jpg

1312 ms

close.png

close.png

1339 ms

ico_pp06b.png

ico_pp06b.png

1444 ms

ico_pp06a.png

ico_pp06a.png

1431 ms

btn_pagetop.gif

btn_pagetop.gif

1316 ms

logo_s.gif

logo_s.gif

1316 ms

arrow04.gif

arrow04.gif

1341 ms

Accessibility Review

eei.or.jp accessibility score

90

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

eei.or.jp best practices score

58

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

eei.or.jp SEO score

97

Search Engine Optimization Advices

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 Eei.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 Eei.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

eei.or.jp

Open Graph data is detected on the main page of Eei. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: