Tools & Wizards About Us
nl-hd.com screenshot

Report Summary

  • 59

    Performance

    Renders faster than
    75% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

nl-hd.com

トップページ：ネットラーニングホールディングス

Page Load Speed

5.3 sec in total

First Response

1.1 sec

Resources Loaded

4 sec

Page Rendered

179 ms

nl-hd.com screenshot

About Website

Visit nl-hd.com now to see the best up-to-date Nl Hd content and also check out these interesting facts you probably never knew about nl-hd.com

株式会社ネットラーニングやwiwiw、その他のグループ各社を戦略的かつ機動的に事業展開、事業運営する体制を整えるネットラーニングホールディングス。

Visit nl-hd.com

Key Findings

We analyzed Nl-hd.com page load time and found that the first response time was 1.1 sec and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

nl-hd.com performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value6.2 s

44/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.049

99/100

15%

TTI (Time to Interactive)

Value5.0 s

77/100

10%

Network Requests Diagram

nl-hd.com

1101 ms

import.css

350 ms

jquery-1.2.6.min.js

911 ms

json_top.js

571 ms

styleswitcher.js

391 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 97% of them (56 requests) were addressed to the original Nl-hd.com, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Nl-hd.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 270.6 kB (57%)

Content Size

471.1 kB

After Optimization

200.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nl-hd.com main page is 471.1 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 316.0 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 13.4 kB

  • Original 17.3 kB
  • After minification 13.7 kB
  • After compression 3.9 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 3.6 kB, which is 21% 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 13.4 kB or 77% of the original size.

Image Optimization

-51%

Potential reduce by 160.4 kB

  • Original 316.0 kB
  • After minification 155.6 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, Nl Hd needs image optimization as it can save up to 160.4 kB or 51% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 56.0 kB

  • Original 92.0 kB
  • After minification 86.5 kB
  • After compression 36.0 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 56.0 kB or 61% of the original size.

CSS Optimization

-89%

Potential reduce by 40.8 kB

  • Original 45.8 kB
  • After minification 31.7 kB
  • After compression 5.0 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. Nl-hd.com needs all CSS files to be minified and compressed as it can save up to 40.8 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (28%)

Requests Now

57

After Optimization

41

  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nl Hd. 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

nl-hd.com

nl-hd.com

1101 ms

import.css

import.css

350 ms

jquery-1.2.6.min.js

jquery-1.2.6.min.js

911 ms

json_top.js

json_top.js

571 ms

styleswitcher.js

styleswitcher.js

391 ms

default.css

default.css

715 ms

ga.js

ga.js

6 ms

font-small.css

font-small.css

245 ms

__utm.gif

__utm.gif

28 ms

bg_top.jpg

bg_top.jpg

196 ms

flag_jpn.gif

flag_jpn.gif

179 ms

flag_eng.gif

flag_eng.gif

190 ms

flag_chn.gif

flag_chn.gif

202 ms

logo.gif

logo.gif

353 ms

logo_sub.gif

logo_sub.gif

370 ms

icon_small.gif

icon_small.gif

383 ms

icon_middle_on.gif

icon_middle_on.gif

391 ms

icon_large.gif

icon_large.gif

390 ms

bg_sky.jpg

bg_sky.jpg

574 ms

img_main.jpg

img_main.jpg

903 ms

img_main_group.gif

img_main_group.gif

549 ms

img_main_nl_off.gif

img_main_nl_off.gif

574 ms

img_main_wiwiw_off.gif

img_main_wiwiw_off.gif

587 ms

img_main_ps_off.gif

img_main_ps_off.gif

586 ms

img_main_mx_off.gif

img_main_mx_off.gif

729 ms

img_main_anri_off.gif

img_main_anri_off.gif

765 ms

gnavi_bg01.jpg

gnavi_bg01.jpg

774 ms

gnavi_bg02.jpg

gnavi_bg02.jpg

781 ms

gnavi_bg_hover.jpg

gnavi_bg_hover.jpg

780 ms

container_main_bg.jpg

container_main_bg.jpg

907 ms

ttl_aboutNL.gif

ttl_aboutNL.gif

956 ms

bnr_15th.jpg

bnr_15th.jpg

974 ms

ttl_news.gif

ttl_news.gif

969 ms

img_kyoiku.jpg

img_kyoiku.jpg

1169 ms

img_recruit.jpg

img_recruit.jpg

1076 ms

img_contact.jpg

img_contact.jpg

1087 ms

bnr_group_blog.png

bnr_group_blog.png

1546 ms

bnr_positive_off.jpg

bnr_positive_off.jpg

1157 ms

logo_nl.gif

logo_nl.gif

1169 ms

logo_wiwiw.gif

logo_wiwiw.gif

1260 ms

logo_phoenix.gif

logo_phoenix.gif

1266 ms

logo_mingxiang.gif

logo_mingxiang.gif

1357 ms

logo_anri.gif

logo_anri.gif

1380 ms

logo_ISMS.jpg

logo_ISMS.jpg

1360 ms

img_loading.gif

img_loading.gif

1262 ms

ttl_about.gif

ttl_about.gif

1263 ms

arrow01_green.gif

arrow01_green.gif

1356 ms

ttl_kyoiku.gif

ttl_kyoiku.gif

1345 ms

btn_kyoiku.gif

btn_kyoiku.gif

1365 ms

ttl_recruit.gif

ttl_recruit.gif

1262 ms

btn_recruit.gif

btn_recruit.gif

1262 ms

ttl_contact.gif

ttl_contact.gif

1342 ms

btn_contact.gif

btn_contact.gif

1351 ms

bg_footer_group.jpg

bg_footer_group.jpg

1351 ms

bg_logo_group.jpg

bg_logo_group.jpg

1227 ms

arrow02_grey.gif

arrow02_grey.gif

1212 ms

font-middle.css

font-middle.css

193 ms

font-large.css

font-large.css

191 ms

Accessibility Review

nl-hd.com accessibility score

90

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

nl-hd.com best practices score

67

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

nl-hd.com SEO score

67

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

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 Nl-hd.com 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 Nl-hd.com 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

nl-hd.com

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