Tools & Wizards About Us
jjy.nict.go.jp screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    71% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

jjy.nict.go.jp

日本標準時(JST)グループ

Page Load Speed

4.5 sec in total

First Response

1.2 sec

Resources Loaded

3.2 sec

Page Rendered

123 ms

jjy.nict.go.jp screenshot

About Website

Click here to check amazing Jjy Nict content for Japan. Otherwise, check out these important facts you probably never knew about jjy.nict.go.jp

日本標準時（JST）グループ

Visit jjy.nict.go.jp

Key Findings

We analyzed Jjy.nict.go.jp page load time and found that the first response time was 1.2 sec and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

jjy.nict.go.jp performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value9.9 s

10/100

10%

TBT (Total Blocking Time)

Value210 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

Network Requests Diagram

jjy.nict.go.jp

1194 ms

logo-org-0200x0040-ja.png

348 ms

acctag.js

345 ms

jstg.css

378 ms

n_sitemap.gif

405 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 83% of them (29 requests) were addressed to the original Jjy.nict.go.jp, 9% (3 requests) were made to Platform.twitter.com and 6% (2 requests) were made to Www2.nict.go.jp. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Jjy.nict.go.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 18.6 kB (32%)

Content Size

58.8 kB

After Optimization

40.3 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Jjy.nict.go.jp main page is 58.8 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. 20% of websites need less resources to load. Images take 39.3 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 11.1 kB

  • Original 15.3 kB
  • After minification 12.8 kB
  • After compression 4.3 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 2.5 kB, which is 16% 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 11.1 kB or 72% of the original size.

Image Optimization

-11%

Potential reduce by 4.3 kB

  • Original 39.3 kB
  • After minification 35.0 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, Jjy Nict needs image optimization as it can save up to 4.3 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-76%

Potential reduce by 3.2 kB

  • Original 4.2 kB
  • After minification 3.2 kB
  • After compression 1.0 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. Jjy.nict.go.jp needs all CSS files to be minified and compressed as it can save up to 3.2 kB or 76% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

32

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jjy Nict. According to our analytics all requests are already optimized.

Network Requests Diagram

jjy.nict.go.jp

jjy.nict.go.jp

1194 ms

logo-org-0200x0040-ja.png

logo-org-0200x0040-ja.png

348 ms

acctag.js

acctag.js

345 ms

jstg.css

jstg.css

378 ms

n_sitemap.gif

n_sitemap.gif

405 ms

m_sitemap.gif

m_sitemap.gif

404 ms

n_jst.gif

n_jst.gif

405 ms

m_jst.gif

m_jst.gif

426 ms

n_mail.gif

n_mail.gif

699 ms

m_mail.gif

m_mail.gif

741 ms

n_en.gif

n_en.gif

758 ms

m_en.gif

m_en.gif

755 ms

l_nict.jpg

l_nict.jpg

766 ms

l_nict.gif

l_nict.gif

794 ms

n_top.gif

n_top.gif

1087 ms

m_top.gif

m_top.gif

1122 ms

logo-org-0200x0040-ja-alpha.png

logo-org-0200x0040-ja-alpha.png

723 ms

index2.htm

index2.htm

740 ms

40-60.gif

40-60.gif

773 ms

NTP.gif

NTP.gif

764 ms

JJY.gif

JJY.gif

819 ms

TB.gif

TB.gif

1039 ms

GPS.gif

GPS.gif

1100 ms

tokei_awase4.gif

tokei_awase4.gif

1134 ms

jjy-url.png

jjy-url.png

1144 ms

new.jpg

new.jpg

1144 ms

ken-gyou.jpg

ken-gyou.jpg

1233 ms

hyoujyun.jpg

hyoujyun.jpg

1431 ms

haishin.jpg

haishin.jpg

1435 ms

qa.jpg

qa.jpg

1501 ms

widgets.js

widgets.js

87 ms

acclog.cgi

acclog.cgi

1589 ms

button.831500944bc3eb7ea5276ccdc3f71d2e.js

button.831500944bc3eb7ea5276ccdc3f71d2e.js

123 ms

follow_button.6a78875565a912489e9aef879c881358.ja.html

follow_button.6a78875565a912489e9aef879c881358.ja.html

54 ms

jot

jot

101 ms

Accessibility Review

jjy.nict.go.jp accessibility score

69

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

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

jjy.nict.go.jp best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

jjy.nict.go.jp SEO score

67

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

Image elements do not have [alt] attributes

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 Jjy.nict.go.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 Jjy.nict.go.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

jjy.nict.go.jp

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