Access nkg.or.jp. 公益社団法人日本語教育学会

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

4/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value110 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.561

12/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

nkg.or.jp

1018 ms

style.css

353 ms

rollover.js

357 ms

jquery-1.9.1.min.js

5 ms

ga.js

52 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 Nkg.or.jp, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Nkg.or.jp.

Content Size

285.9 kB

After Optimization

252.1 kB

In fact, the total size of Nkg.or.jp main page is 285.9 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 238.1 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 15.3 kB

Original 20.0 kB
After minification 16.5 kB
After compression 4.6 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 3.5 kB, which is 17% 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 15.3 kB or 77% of the original size.

Image Optimization

-4%

Potential reduce by 9.6 kB

Original 238.1 kB
After minification 228.5 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. Nkg images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 605 B

Original 18.1 kB
After minification 18.0 kB
After compression 17.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-85%

Potential reduce by 8.2 kB

Original 9.7 kB
After minification 7.7 kB
After compression 1.5 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. Nkg.or.jp needs all CSS files to be minified and compressed as it can save up to 8.2 kB or 85% of the original size.

Requests Now

After Optimization

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

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

High

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

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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.

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

JA
Language Claimed

N/A
Encoding

SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nkg.or.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Nkg.or.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

nkg.or.jp

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

Report Summary

Performance

Accessibility

Best Practices

SEO

公益社団法人日本語教育学会

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

nkg.or.jp

style.css

rollover.js

jquery-1.9.1.min.js

ga.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

nkg.or.jp

style.css

rollover.js

jquery-1.9.1.min.js

ga.js

head_hr.gif

head_bg.gif

logo.gif

twitter.logo.png

facebook.logo.png

youtube.logo.png

head_lnk_sitemap.gif

head_lnk_address.gif

head_btn_info.gif

contents_bg.gif

spacer.gif

092701.jpg

092702.jpg

092703.jpg

092704.jpg

ito.jpg

ico_pdf.gif

top_title_info.gif

top_title_news.gif

gnavi_overview_off.gif

gnavi_prize_off.gif

gnavi_admission_off.gif

gnavi_member_off.gif

gnavi_calendar_off.gif

gnavi_publish_off.gif

gnavi_magazine_off.gif

gnavi_theme_off.gif

gnavi_globalnet_off.gif

gnavi_training_off.gif

gnavi_information_off.gif

NKGmg.gif

alc.gif

alc20160201.gif

aogaku20160201.gif

footer_bg.gif

__utm.gif

footer_lnk_link.gif

footer_lnk_policy.gif