Tools & Wizards About Us
jsae.or.jp screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

jsae.or.jp

公益社団法人自動車技術会

Page Load Speed

14.5 sec in total

First Response

34 ms

Resources Loaded

13.3 sec

Page Rendered

1.2 sec

jsae.or.jp screenshot

About Website

Click here to check amazing Jsae content for Japan. Otherwise, check out these important facts you probably never knew about jsae.or.jp

「人と知をつなぎ、モビリティの未来を支える」というミッションを掲げ、自動車に係わる科学技術の調査・研究・成果発表の場を提供するとともに、人材育成や規格作成および普及、国際交流などを行う公益社団法人。

Visit jsae.or.jp

Key Findings

We analyzed Jsae.or.jp page load time and found that the first response time was 34 ms and then it took 14.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

jsae.or.jp performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value36.3 s

0/100

25%

SI (Speed Index)

Value15.2 s

1/100

10%

TBT (Total Blocking Time)

Value970 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.142

78/100

15%

TTI (Time to Interactive)

Value23.8 s

1/100

10%

Network Requests Diagram

jsae.or.jp

34 ms

jsae.or.jp

1371 ms

gtm.js

89 ms

styles.css

437 ms

styles.css

879 ms

Our browser made a total of 118 requests to load all elements on the main page. We found that 91% of them (107 requests) were addressed to the original Jsae.or.jp, 2% (2 requests) were made to Googletagmanager.com and 2% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (6.4 sec) belongs to the original domain Jsae.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 963.7 kB (11%)

Content Size

8.5 MB

After Optimization

7.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jsae.or.jp main page is 8.5 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 7.8 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 107.1 kB

  • Original 123.6 kB
  • After minification 98.9 kB
  • After compression 16.5 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 24.7 kB, which is 20% 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 107.1 kB or 87% of the original size.

Image Optimization

-10%

Potential reduce by 788.7 kB

  • Original 7.8 MB
  • After minification 7.0 MB

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. Jsae images are well optimized though.

JavaScript Optimization

-18%

Potential reduce by 61.2 kB

  • Original 348.9 kB
  • After minification 348.5 kB
  • After compression 287.7 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 61.2 kB or 18% of the original size.

CSS Optimization

-3%

Potential reduce by 6.7 kB

  • Original 237.8 kB
  • After minification 237.6 kB
  • After compression 231.2 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. Jsae.or.jp has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 24 (21%)

Requests Now

114

After Optimization

90

  • Images
  • JavaScript
  • CSS

The browser has sent 114 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jsae. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jsae.or.jp

jsae.or.jp

34 ms

jsae.or.jp

jsae.or.jp

1371 ms

gtm.js

gtm.js

89 ms

styles.css

styles.css

437 ms

styles.css

styles.css

879 ms

styles.css

styles.css

726 ms

styles.css

styles.css

434 ms

top.css

top.css

433 ms

sdk.js

sdk.js

33 ms

img_logo02.svg

img_logo02.svg

503 ms

img_gnav14.jpg

img_gnav14.jpg

756 ms

img_gnav15.jpg

img_gnav15.jpg

761 ms

img_gnav16.jpg

img_gnav16.jpg

770 ms

img_gnav17.jpg

img_gnav17.jpg

835 ms

img_gnav18.jpg

img_gnav18.jpg

1208 ms

img_gnav19.jpg

img_gnav19.jpg

1208 ms

img_gnav20.jpg

img_gnav20.jpg

1210 ms

img_gnav22.jpg

img_gnav22.jpg

1209 ms

img_gnav32.jpg

img_gnav32.jpg

1205 ms

img_gnav06.jpg

img_gnav06.jpg

1205 ms

img_gnav05.jpg

img_gnav05.jpg

1561 ms

img_gnav07.jpg

img_gnav07.jpg

1563 ms

img_gnav08.jpg

img_gnav08.jpg

1329 ms

img_gnav09.jpg

img_gnav09.jpg

1329 ms

img_gnav10.jpg

img_gnav10.jpg

1565 ms

img_gnav11.jpg

img_gnav11.jpg

1330 ms

img_gnav12.jpg

img_gnav12.jpg

1562 ms

img_gnav31.jpg

img_gnav31.jpg

1563 ms

img_gnav13.jpg

img_gnav13.jpg

1565 ms

img_gnav02.jpg

img_gnav02.jpg

1691 ms

img_gnav04.jpg

img_gnav04.jpg

1566 ms

img_gnav33.jpg

img_gnav33.jpg

1829 ms

img_gnav01.jpg

img_gnav01.jpg

1832 ms

img_gnav25.jpg

img_gnav25.jpg

1637 ms

img_gnav23.jpg

img_gnav23.jpg

1829 ms

img_gnav24.jpg

img_gnav24.jpg

1756 ms

img_gnav03.jpg

img_gnav03.jpg

1830 ms

img_gnav26.jpg

img_gnav26.jpg

1841 ms

img_gnav27.jpg

img_gnav27.jpg

1904 ms

sdk.js

sdk.js

4 ms

58 ms

destination

destination

55 ms

jquery.min.js

jquery.min.js

19 ms

common.js

common.js

2435 ms

shared.js

shared.js

1544 ms

common.js

common.js

1530 ms

common.js

common.js

1703 ms

top.js

top.js

1527 ms

img_gnav28.jpg

img_gnav28.jpg

1350 ms

img_gnav29.jpg

img_gnav29.jpg

1538 ms

img_gnav30.jpg

img_gnav30.jpg

1379 ms

2024cp_pc.jpg

2024cp_pc.jpg

2680 ms

2024haru_kvbnr_2.jpg

2024haru_kvbnr_2.jpg

2652 ms

css2

css2

83 ms

css2

css2

101 ms

shift-away.css

shift-away.css

83 ms

%E3%83%A1%E3%82%A4%E3%83%B3%20.jpg

%E3%83%A1%E3%82%A4%E3%83%B3%20.jpg

2601 ms

shift-away.css

shift-away.css

21 ms

%E3%83%A1%E3%82%A4%E3%83%B32%20.jpg

%E3%83%A1%E3%82%A4%E3%83%B32%20.jpg

2517 ms

banner_before.jpg

banner_before.jpg

2294 ms

bnr_sae_paper202405.png

bnr_sae_paper202405.png

2475 ms

jsae_banner_yokohama2024_jp.png

jsae_banner_yokohama2024_jp.png

3643 ms

banner202405.png

banner202405.png

3496 ms

banner_2024cp.png

banner_2024cp.png

3249 ms

shibu_banner.png

shibu_banner.png

3439 ms

banner_young_4.png

banner_young_4.png

3424 ms

bnr_tachiyomi_202404.png

bnr_tachiyomi_202404.png

3239 ms

motorsports.jpg

motorsports.jpg

4259 ms

banner_jpn.png

banner_jpn.png

4229 ms

Symposiums202302.jpg

Symposiums202302.jpg

4426 ms

%E5%A7%94%E5%93%A1%E6%83%85%E5%A0%B1%E3%82%B7%E3%82%B9%E3%83%86%E3%83%A0.png

%E5%A7%94%E5%93%A1%E6%83%85%E5%A0%B1%E3%82%B7%E3%82%B9%E3%83%86%E3%83%A0.png

4123 ms

SETC2024%20%281%29.png

SETC2024%20%281%29.png

4299 ms

%E6%96%87%E7%8C%AE%E6%83%85%E5%A0%B1%E6%A4%9C%E7%B4%A2%E3%82%B7%E3%82%B9%E3%83%86%E3%83%A0.png

%E6%96%87%E7%8C%AE%E6%83%85%E5%A0%B1%E6%A4%9C%E7%B4%A2%E3%82%B7%E3%82%B9%E3%83%86%E3%83%A0.png

4336 ms

%E6%98%A5%E5%AD%A3%E7%A7%8B%E5%AD%A3%E5%A4%A7%E4%BC%9A.png

%E6%98%A5%E5%AD%A3%E7%A7%8B%E5%AD%A3%E5%A4%A7%E4%BC%9A.png

5276 ms

icons.woff

icons.woff

4631 ms

%E5%AD%A6%E7%94%9F%E3%83%95%E3%82%A9%E3%83%BC%E3%83%9F%E3%83%A5%E3%83%A9.jpg

%E5%AD%A6%E7%94%9F%E3%83%95%E3%82%A9%E3%83%BC%E3%83%9F%E3%83%A5%E3%83%A9.jpg

5297 ms

bnr_convention_autumn_2024.png

bnr_convention_autumn_2024.png

5111 ms

bnr_spring_traffic_safety.png

bnr_spring_traffic_safety.png

4970 ms

category01.png

category01.png

4528 ms

category02.png

category02.png

4807 ms

category03.png

category03.png

4687 ms

category04.png

category04.png

4849 ms

category05.png

category05.png

5073 ms

category06.png

category06.png

4908 ms

category07.png

category07.png

5007 ms

category08.png

category08.png

5169 ms

jk202405.png

jk202405.png

6397 ms

bunken_banner.png

bunken_banner.png

5922 ms

branch_activities.png

branch_activities.png

6136 ms

bnr1.png

bnr1.png

5788 ms

bnr2.png

bnr2.png

5128 ms

OtAutoBlock.js

OtAutoBlock.js

284 ms

bnr3.png

bnr3.png

4861 ms

bnr4.png

bnr4.png

5606 ms

bnr5.png

bnr5.png

5680 ms

bnr6.png

bnr6.png

5719 ms

bnr7.png

bnr7.png

5649 ms

bnr8.png

bnr8.png

5664 ms

img_bnr_history001.jpg

img_bnr_history001.jpg

4792 ms

img_bnr_history004.jpg

img_bnr_history004.jpg

5290 ms

img_bnr_history002.jpg

img_bnr_history002.jpg

5363 ms

top_bnr_yougo_shu.png

top_bnr_yougo_shu.png

5579 ms

cpd.png

cpd.png

5438 ms

side_banner_ronbun.png

side_banner_ronbun.png

5419 ms

top_sidebanner_264.png

top_sidebanner_264.png

4577 ms

kaishi_digital.png

kaishi_digital.png

4946 ms

header_main.png

header_main.png

5365 ms

vision.png

vision.png

5274 ms

side_youtube.png

side_youtube.png

5100 ms

c-challenge.png

c-challenge.png

5185 ms

fisita.png

fisita.png

4725 ms

fisita_yfia.png

fisita_yfia.png

5032 ms

img_logo.svg

img_logo.svg

4814 ms

bg_top01.jpg

bg_top01.jpg

5276 ms

bg_top02.jpg

bg_top02.jpg

5111 ms

bg_top03.jpg

bg_top03.jpg

5202 ms

bg_contact.jpg

bg_contact.jpg

4986 ms

ajax-loader.gif

ajax-loader.gif

4759 ms

Accessibility Review

jsae.or.jp accessibility score

91

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

ARIA toggle fields do not have accessible names

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

jsae.or.jp best practices score

83

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

jsae.or.jp SEO score

80

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

    JA

  • Encoding

    UTF-8

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

jsae.or.jp

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