Tools & Wizards About Us
asj.gr.jp screenshot

Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

asj.gr.jp

日本音響学会 | Acoustical Society of Japan, ASJ

Page Load Speed

6.1 sec in total

First Response

542 ms

Resources Loaded

5.2 sec

Page Rendered

397 ms

asj.gr.jp screenshot

About Website

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

Acoustical Society of Japan, ASJ

Visit asj.gr.jp

Key Findings

We analyzed Asj.gr.jp page load time and found that the first response time was 542 ms and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

asj.gr.jp performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.4 s

0/100

25%

SI (Speed Index)

Value15.6 s

0/100

10%

TBT (Total Blocking Time)

Value1,860 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.709

7/100

15%

TTI (Time to Interactive)

Value16.9 s

5/100

10%

Network Requests Diagram

asj.gr.jp

542 ms

asj.gr.jp

804 ms

acoustics.jp

1560 ms

js

69 ms

js

111 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Asj.gr.jp, 61% (40 requests) were made to Acoustics.jp and 12% (8 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Acoustics.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 541.7 kB (40%)

Content Size

1.4 MB

After Optimization

829.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Asj.gr.jp main page is 1.4 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. 60% of websites need less resources to load. Javascripts take 785.2 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 65.2 kB

  • Original 88.4 kB
  • After minification 81.1 kB
  • After compression 23.2 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 65.2 kB or 74% of the original size.

Image Optimization

-9%

Potential reduce by 26.1 kB

  • Original 281.3 kB
  • After minification 255.1 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. ASJ images are well optimized though.

JavaScript Optimization

-35%

Potential reduce by 275.0 kB

  • Original 785.2 kB
  • After minification 784.8 kB
  • After compression 510.2 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 275.0 kB or 35% of the original size.

CSS Optimization

-81%

Potential reduce by 175.3 kB

  • Original 216.2 kB
  • After minification 215.2 kB
  • After compression 40.9 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. Asj.gr.jp needs all CSS files to be minified and compressed as it can save up to 175.3 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (67%)

Requests Now

55

After Optimization

18

  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ASJ. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

asj.gr.jp

asj.gr.jp

542 ms

asj.gr.jp

asj.gr.jp

804 ms

acoustics.jp

acoustics.jp

1560 ms

js

js

69 ms

js

js

111 ms

style.css

style.css

754 ms

css

css

37 ms

css

css

53 ms

css

css

57 ms

style.min.css

style.min.css

1129 ms

classic-themes.min.css

classic-themes.min.css

569 ms

styles.css

styles.css

409 ms

jquery-ui.min.css

jquery-ui.min.css

935 ms

jquery.min.js

jquery.min.js

1152 ms

jquery-migrate.min.js

jquery-migrate.min.js

598 ms

common.min.js

common.min.js

1207 ms

jquery-migrate-1.4.1.min.js

jquery-migrate-1.4.1.min.js

579 ms

jquery.textresizer.min.js

jquery.textresizer.min.js

583 ms

index.js

index.js

770 ms

index.js

index.js

771 ms

api.js

api.js

32 ms

core.min.js

core.min.js

1142 ms

datepicker.min.js

datepicker.min.js

949 ms

html5-fallback.js

html5-fallback.js

961 ms

api.js

api.js

52 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

960 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

1168 ms

wp-polyfill.min.js

wp-polyfill.min.js

1167 ms

index.js

index.js

1169 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

765 ms

logo.svg

logo.svg

368 ms

ico_arrow01.svg

ico_arrow01.svg

471 ms

ico_font_size01.svg

ico_font_size01.svg

472 ms

ico_megamenu01.svg

ico_megamenu01.svg

474 ms

ico_arrow02.svg

ico_arrow02.svg

475 ms

ico_megamenu03.svg

ico_megamenu03.svg

475 ms

bg_jumbotron01.png

bg_jumbotron01.png

1268 ms

ico_list01.svg

ico_list01.svg

567 ms

bg_grid01.png

bg_grid01.png

567 ms

bnr_aside01.svg

bnr_aside01.svg

572 ms

bnr_aside02.svg

bnr_aside02.svg

579 ms

bnr_aside03.svg

bnr_aside03.svg

604 ms

bnr_aside04.svg

bnr_aside04.svg

759 ms

ico_pickup01.svg

ico_pickup01.svg

757 ms

ico_pickup02.svg

ico_pickup02.svg

763 ms

ico_pickup03.svg

ico_pickup03.svg

773 ms

ico_pagetop01.svg

ico_pagetop01.svg

800 ms

logo_footer.svg

logo_footer.svg

946 ms

cse.js

cse.js

61 ms

ico_arrow03.svg

ico_arrow03.svg

888 ms

xn71YHs72GKoTvER4Gn3b5eMRtWGkp6o7MjQ2bwDOtbPKrc.ttf

xn71YHs72GKoTvER4Gn3b5eMRtWGkp6o7MjQ2bwDOtbPKrc.ttf

98 ms

xn71YHs72GKoTvER4Gn3b5eMRtWGkp6o7MjQ2bwxOtbPKrc.ttf

xn71YHs72GKoTvER4Gn3b5eMRtWGkp6o7MjQ2bwxOtbPKrc.ttf

196 ms

SlGDmQSNjdsmc35JDF1K5E55YMjF_7DPuGi-6_RkBI96.ttf

SlGDmQSNjdsmc35JDF1K5E55YMjF_7DPuGi-6_RkBI96.ttf

138 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

137 ms

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

137 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

129 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

137 ms

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

138 ms

cse_element__ja.js

cse_element__ja.js

12 ms

default+ja.css

default+ja.css

38 ms

default.css

default.css

36 ms

recaptcha__en.js

recaptcha__en.js

129 ms

async-ads.js

async-ads.js

80 ms

branding.png

branding.png

75 ms

clear.png

clear.png

36 ms

nav_logo114.png

nav_logo114.png

37 ms

Accessibility Review

asj.gr.jp accessibility score

96

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

asj.gr.jp best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

asj.gr.jp SEO score

85

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

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 Asj.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 Asj.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

asj.gr.jp

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