Tools & Wizards About Us
jcc.gr.jp screenshot

Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

jcc.gr.jp

[JCC] 日本心臓病学会 Japanese College of Cardiology

Page Load Speed

4.5 sec in total

First Response

964 ms

Resources Loaded

3.4 sec

Page Rendered

174 ms

jcc.gr.jp screenshot

About Website

Click here to check amazing JCC content for Japan. Otherwise, check out these important facts you probably never knew about jcc.gr.jp

心臓病専門医約9000名で構成。毎年9月に学術集会,その他,専門医向けのアドバンスセミナー、コメディカル向けのファンダメンタルセミナーなど開催。会員向け情報ほか,一般向けに心臓の病気解説など。入会・休会・登録事項変更は事務局まで。

Visit jcc.gr.jp

Key Findings

We analyzed Jcc.gr.jp page load time and found that the first response time was 964 ms and then it took 3.5 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

jcc.gr.jp performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.259

47/100

15%

TTI (Time to Interactive)

Value3.4 s

93/100

10%

Network Requests Diagram

jcc.gr.jp

964 ms

common.css

664 ms

menu.css

531 ms

text.css

370 ms

nivo-slider.css

370 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 98% of them (52 requests) were addressed to the original Jcc.gr.jp, 2% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Jcc.gr.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 139.8 kB (17%)

Content Size

808.6 kB

After Optimization

668.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jcc.gr.jp main page is 808.6 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. 25% of websites need less resources to load. Images take 726.9 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 16.4 kB

  • Original 21.3 kB
  • After minification 17.5 kB
  • After compression 4.9 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 3.8 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 16.4 kB or 77% of the original size.

Image Optimization

-10%

Potential reduce by 72.6 kB

  • Original 726.9 kB
  • After minification 654.4 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. JCC images are well optimized though.

JavaScript Optimization

-87%

Potential reduce by 28.2 kB

  • Original 32.3 kB
  • After minification 17.3 kB
  • After compression 4.1 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 28.2 kB or 87% of the original size.

CSS Optimization

-81%

Potential reduce by 22.7 kB

  • Original 28.1 kB
  • After minification 22.7 kB
  • After compression 5.5 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. Jcc.gr.jp needs all CSS files to be minified and compressed as it can save up to 22.7 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (13%)

Requests Now

52

After Optimization

45

  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JCC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jcc.gr.jp

jcc.gr.jp

964 ms

common.css

common.css

664 ms

menu.css

menu.css

531 ms

text.css

text.css

370 ms

nivo-slider.css

nivo-slider.css

370 ms

newstab.css

newstab.css

375 ms

jquery-1.11.2.min.js

jquery-1.11.2.min.js

9 ms

common.js

common.js

553 ms

jquery.nivo.slider.js

jquery.nivo.slider.js

920 ms

newstab.js

newstab.js

556 ms

bg_navi.png

bg_navi.png

190 ms

logo.png

logo.png

190 ms

btn_en.png

btn_en.png

186 ms

btn_online.png

btn_online.png

186 ms

smenu00.png

smenu00.png

167 ms

smenu01.png

smenu01.png

178 ms

smenu02.png

smenu02.png

333 ms

menu01.png

menu01.png

354 ms

menu02.png

menu02.png

368 ms

menu03.png

menu03.png

369 ms

menu04.png

menu04.png

373 ms

menu05.png

menu05.png

375 ms

menu06.png

menu06.png

496 ms

menu07.png

menu07.png

529 ms

img_top06.png

img_top06.png

1285 ms

img_top02.png

img_top02.png

1101 ms

img_top05.png

img_top05.png

1309 ms

img_top03.jpg

img_top03.jpg

934 ms

img_top04.png

img_top04.png

864 ms

img_topnyukai.png

img_topnyukai.png

705 ms

btn_topnyukai01.png

btn_topnyukai01.png

881 ms

btn_topnyukai02.png

btn_topnyukai02.png

1031 ms

btn_topnyukai03.png

btn_topnyukai03.png

1058 ms

img_topkaiin.png

img_topkaiin.png

1123 ms

btn_topkaiin01.png

btn_topkaiin01.png

1197 ms

btn_topkaiin02.png

btn_topkaiin02.png

1234 ms

btn_topkaiin03.png

btn_topkaiin03.png

1284 ms

newstab.png

newstab.png

1310 ms

icon_toptab01.png

icon_toptab01.png

1362 ms

icon_new02.gif

icon_new02.gif

1410 ms

icon_external.png

icon_external.png

1466 ms

icon_toptab02.png

icon_toptab02.png

1467 ms

icon_up02.gif

icon_up02.gif

1495 ms

ani_arrow.l2r.gif

ani_arrow.l2r.gif

1495 ms

icon_toptab03.png

icon_toptab03.png

1526 ms

banner_senkyo01.png

banner_senkyo01.png

1535 ms

banner_congress.png

banner_congress.png

1491 ms

banner_seminar.png

banner_seminar.png

1481 ms

banner_journal.png

banner_journal.png

1505 ms

bnr_stopsmoking.png

bnr_stopsmoking.png

1507 ms

banner_waon.png

banner_waon.png

1512 ms

banner_jcacc.png

banner_jcacc.png

1583 ms

smenu03.png

smenu03.png

1510 ms

Accessibility Review

jcc.gr.jp accessibility score

75

Accessibility Issues

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

jcc.gr.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

jcc.gr.jp SEO score

58

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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 Jcc.gr.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 Jcc.gr.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

jcc.gr.jp

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