Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

jeca.or.jp

一般社団法人日本電設工業協会(公式ホームページ)

Page Load Speed

6.8 sec in total

First Response

1.7 sec

Resources Loaded

4.9 sec

Page Rendered

208 ms

jeca.or.jp screenshot

About Website

Welcome to jeca.or.jp homepage info - get ready to check Jeca best content for Japan right away, or after learning these important things about jeca.or.jp

一般社団法人日本電設工業協会の人と環境を大切にする 夢と生きがいのある電設業界です

Visit jeca.or.jp

Key Findings

We analyzed Jeca.or.jp page load time and found that the first response time was 1.7 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.

Performance Metrics

jeca.or.jp performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value11.5 s

0/100

25%

SI (Speed Index)

Value16.5 s

0/100

10%

TBT (Total Blocking Time)

Value3,310 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.041

99/100

15%

TTI (Time to Interactive)

Value14.5 s

8/100

10%

Network Requests Diagram

jeca.or.jp

1669 ms

style2013.css

833 ms

jquery.js

1232 ms

jquery.cycle.all.js

1028 ms

main.js

348 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 88% of them (56 requests) were addressed to the original Jeca.or.jp, 5% (3 requests) were made to Google-analytics.com and 3% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Jeca.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 249.3 kB (37%)

Content Size

673.8 kB

After Optimization

424.5 kB

In fact, the total size of Jeca.or.jp main page is 673.8 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. 30% of websites need less resources to load. Images take 363.6 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 16.8 kB

  • Original 22.2 kB
  • After minification 21.8 kB
  • After compression 5.4 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 16.8 kB or 76% of the original size.

Image Optimization

-13%

Potential reduce by 48.4 kB

  • Original 363.6 kB
  • After minification 315.2 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, Jeca needs image optimization as it can save up to 48.4 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 160.4 kB

  • Original 261.9 kB
  • After minification 239.8 kB
  • After compression 101.5 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 160.4 kB or 61% of the original size.

CSS Optimization

-91%

Potential reduce by 23.7 kB

  • Original 26.2 kB
  • After minification 20.2 kB
  • After compression 2.4 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. Jeca.or.jp needs all CSS files to be minified and compressed as it can save up to 23.7 kB or 91% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (30%)

Requests Now

60

After Optimization

42

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jeca. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

jeca.or.jp accessibility score

94

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.

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

jeca.or.jp best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

jeca.or.jp SEO score

86

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jeca.or.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 Jeca.or.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Jeca. 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: