Tools & Wizards About Us
jreco.or.jp screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

jreco.or.jp

一般財団法人 日本冷媒・環境保全機構

Page Load Speed

3.9 sec in total

First Response

319 ms

Resources Loaded

3.4 sec

Page Rendered

206 ms

jreco.or.jp screenshot

About Website

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

（一財）日本冷媒・環境保全機構（JRECO）は、国から唯一指定・認可された「情報処理セン ター」機能を含む冷媒管理システム（RaMSラムズ）を運営し、フロン排出抑制法への対応のお手伝いをしています。

Visit jreco.or.jp

Key Findings

We analyzed Jreco.or.jp page load time and found that the first response time was 319 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

jreco.or.jp performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value7.9 s

3/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0.044

99/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

Network Requests Diagram

jreco.or.jp

319 ms

jreco.or.jp

937 ms

gtm.js

74 ms

common.css

308 ms

magnific-popup.css

433 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 95% of them (54 requests) were addressed to the original Jreco.or.jp, 2% (1 request) were made to Googletagmanager.com and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Jreco.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 208.3 kB (25%)

Content Size

838.1 kB

After Optimization

629.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jreco.or.jp main page is 838.1 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. 40% of websites need less resources to load. Images take 561.6 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 76.3 kB

  • Original 91.0 kB
  • After minification 79.5 kB
  • After compression 14.7 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 11.5 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 76.3 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 17.8 kB

  • Original 561.6 kB
  • After minification 543.8 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. Jreco images are well optimized though.

JavaScript Optimization

-51%

Potential reduce by 65.8 kB

  • Original 130.2 kB
  • After minification 128.7 kB
  • After compression 64.3 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 65.8 kB or 51% of the original size.

CSS Optimization

-87%

Potential reduce by 48.3 kB

  • Original 55.3 kB
  • After minification 39.1 kB
  • After compression 7.0 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. Jreco.or.jp needs all CSS files to be minified and compressed as it can save up to 48.3 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (22%)

Requests Now

55

After Optimization

43

  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jreco. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jreco.or.jp

jreco.or.jp

319 ms

jreco.or.jp

jreco.or.jp

937 ms

gtm.js

gtm.js

74 ms

common.css

common.css

308 ms

magnific-popup.css

magnific-popup.css

433 ms

jquery.js

jquery.js

728 ms

common.js

common.js

445 ms

dropmenu.js

dropmenu.js

464 ms

banner.js

banner.js

467 ms

footer.js

footer.js

468 ms

jquery.min.js

jquery.min.js

37 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

41 ms

haikei.gif

haikei.gif

172 ms

logo.gif

logo.gif

169 ms

bg_menu2_on.gif

bg_menu2_on.gif

164 ms

topbn_000.jpg

topbn_000.jpg

574 ms

topbn_00000.jpg

topbn_00000.jpg

772 ms

nbn104.gif

nbn104.gif

803 ms

nbn10555.gif

nbn10555.gif

665 ms

HowToRaMS.gif

HowToRaMS.gif

811 ms

bn070.gif

bn070.gif

838 ms

HFC.gif

HFC.gif

702 ms

bn060.gif

bn060.gif

859 ms

bn5.jpg

bn5.jpg

809 ms

bn55.jpg

bn55.jpg

1013 ms

bn1.jpg

bn1.jpg

936 ms

tushin.gif

tushin.gif

954 ms

bn4.jpg

bn4.jpg

956 ms

bn3.jpg

bn3.jpg

990 ms

bn9.jpg

bn9.jpg

1169 ms

bn015.gif

bn015.gif

1079 ms

bn6.jpg

bn6.jpg

1099 ms

bn7.jpg

bn7.jpg

1102 ms

furon.gif

furon.gif

1448 ms

bn100.gif

bn100.gif

1168 ms

bn002.gif

bn002.gif

246 ms

topbn_0010.jpg

topbn_0010.jpg

391 ms

topbn_0020.jpg

topbn_0020.jpg

262 ms

nbn0444.gif

nbn0444.gif

277 ms

nbn0244.gif

nbn0244.gif

393 ms

nbn0455.gif

nbn0455.gif

418 ms

bg_h222.gif

bg_h222.gif

434 ms

sub-111.gif

sub-111.gif

538 ms

arrow030_01.gif

arrow030_01.gif

540 ms

arrow030_0111.gif

arrow030_0111.gif

572 ms

RRC_logo.jpg

RRC_logo.jpg

591 ms

sub-33.gif

sub-33.gif

681 ms

arrow030_05.gif

arrow030_05.gif

685 ms

arrow030_0555.gif

arrow030_0555.gif

689 ms

sub-2.gif

sub-2.gif

729 ms

arrow030_02.gif

arrow030_02.gif

747 ms

sub-4.gif

sub-4.gif

825 ms

arrow030_04.gif

arrow030_04.gif

831 ms

sub-55.gif

sub-55.gif

835 ms

sub-66.gif

sub-66.gif

883 ms

bg_pagetop.gif

bg_pagetop.gif

888 ms

foot03.jpg

foot03.jpg

787 ms

Accessibility Review

jreco.or.jp accessibility score

78

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.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Best Practices

jreco.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

jreco.or.jp SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jreco.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 Jreco.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

jreco.or.jp

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