Tools & Wizards About Us
netchai.jp screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

netchai.jp

中国語オンラインレッスンならNetChai（ネトチャイ）！　今超人気のNo1オンライン中国語スクール

Page Load Speed

10.5 sec in total

First Response

533 ms

Resources Loaded

9 sec

Page Rendered

924 ms

netchai.jp screenshot

About Website

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

今超人気！業界最大のオンライン中国語レッスン「NetChai（ネトチャイ）」です。 中国人講師多数のスカイプを使ったオンライン中国語教室NetChai（ネトチャイ）」で毎日中国語会話レッスン！ 中国語検定、HSK対策にも最適のオンラインスクールです。中国語の法人研修・企業研修でもご利用いただいております。

Visit netchai.jp

Key Findings

We analyzed Netchai.jp page load time and found that the first response time was 533 ms and then it took 10 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

netchai.jp performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value11.0 s

0/100

25%

SI (Speed Index)

Value15.9 s

0/100

10%

TBT (Total Blocking Time)

Value1,150 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.17

70/100

15%

TTI (Time to Interactive)

Value23.6 s

1/100

10%

Network Requests Diagram

netchai.jp

533 ms

netchai.jp

3700 ms

ScriptServlet

93 ms

style.css

326 ms

styleset.css

491 ms

Our browser made a total of 158 requests to load all elements on the main page. We found that 79% of them (125 requests) were addressed to the original Netchai.jp, 5% (8 requests) were made to Apis.google.com and 3% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (3.7 sec) belongs to the original domain Netchai.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 745.3 kB (32%)

Content Size

2.3 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Netchai.jp main page is 2.3 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 57.6 kB

  • Original 73.3 kB
  • After minification 65.9 kB
  • After compression 15.7 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 57.6 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 32.2 kB

  • Original 1.4 MB
  • After minification 1.4 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. Netchai images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 336.5 kB

  • Original 500.4 kB
  • After minification 421.1 kB
  • After compression 163.9 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 336.5 kB or 67% of the original size.

CSS Optimization

-85%

Potential reduce by 319.1 kB

  • Original 375.8 kB
  • After minification 343.7 kB
  • After compression 56.7 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. Netchai.jp needs all CSS files to be minified and compressed as it can save up to 319.1 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (30%)

Requests Now

151

After Optimization

106

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 151 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Netchai. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

netchai.jp

netchai.jp

533 ms

netchai.jp

netchai.jp

3700 ms

ScriptServlet

ScriptServlet

93 ms

style.css

style.css

326 ms

styleset.css

styleset.css

491 ms

common.css

common.css

499 ms

temp.css

temp.css

503 ms

top.css

top.css

515 ms

jquery-ui-1.8.6.custom.css

jquery-ui-1.8.6.custom.css

695 ms

jquery-1.4.2.js

jquery-1.4.2.js

1304 ms

script.js

script.js

661 ms

jquery.blockUI.js

jquery.blockUI.js

1002 ms

netchai.js

netchai.js

856 ms

jquery-ui-1.8.6.custom.min.js

jquery-ui-1.8.6.custom.min.js

1151 ms

jquery.ui.datepicker-ja.min.js

jquery.ui.datepicker-ja.min.js

867 ms

conversion.js

conversion.js

63 ms

platform.js

platform.js

60 ms

jquery.slider.min.js

jquery.slider.min.js

1016 ms

jquery.slider.css

jquery.slider.css

1030 ms

jquery.scrollbox.js

jquery.scrollbox.js

1228 ms

ga.js

ga.js

115 ms

343 ms

logo.png

logo.png

335 ms

login_title.jpg

login_title.jpg

329 ms

login_mail.jpg

login_mail.jpg

330 ms

login_pass.jpg

login_pass.jpg

328 ms

login_new.jpg

login_new.jpg

324 ms

login_login.jpg

login_login.jpg

321 ms

js01.jpg

js01.jpg

674 ms

js04.jpg

js04.jpg

890 ms

js03.jpg

js03.jpg

673 ms

6course.jpg

6course.jpg

517 ms

rank_title.jpg

rank_title.jpg

513 ms

rank_01.jpg

rank_01.jpg

514 ms

rank_line01.jpg

rank_line01.jpg

674 ms

3267_s.jpg

3267_s.jpg

670 ms

rank_line_dot.jpg

rank_line_dot.jpg

670 ms

rank_02.jpg

rank_02.jpg

887 ms

rank_line02.jpg

rank_line02.jpg

886 ms

6953_s.jpg

6953_s.jpg

886 ms

rank_03.jpg

rank_03.jpg

884 ms

rank_line03.jpg

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885 ms

5399_s.jpg

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1092 ms

rank_04.jpg

rank_04.jpg

1093 ms

rank_line.jpg

rank_line.jpg

1090 ms

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1091 ms

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1089 ms

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1090 ms

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1238 ms

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1245 ms

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1242 ms

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1254 ms

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1250 ms

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1253 ms

rank_09.jpg

rank_09.jpg

1401 ms

7864_s.jpg

7864_s.jpg

1416 ms

rank_10.jpg

rank_10.jpg

1423 ms

sdk.js

sdk.js

696 ms

8084_s.jpg

8084_s.jpg

1416 ms

widgets.js

widgets.js

326 ms

y8Y4MiR1y5A

y8Y4MiR1y5A

467 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

113 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

112 ms

sharebutton

sharebutton

247 ms

__utm.gif

__utm.gif

64 ms

199 ms

h3_01.jpg

h3_01.jpg

1123 ms

h3_02.jpg

h3_02.jpg

1115 ms

button_more_off.jpg

button_more_off.jpg

1251 ms

h3_08.jpg

h3_08.jpg

1257 ms

h3_03.jpg

h3_03.jpg

1263 ms

netchaitoha.jpg

netchaitoha.jpg

1603 ms

button.0308b81ff1714e446f674b5b9793f2cd.js

button.0308b81ff1714e446f674b5b9793f2cd.js

84 ms

postmessageRelay

postmessageRelay

217 ms

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en.html

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en.html

86 ms

rs=AGLTcCPeW_yxohM6d2vzOu9_v18SNdO9Aw

rs=AGLTcCPeW_yxohM6d2vzOu9_v18SNdO9Aw

81 ms

rs=AGLTcCNw7i48hWQ0tYNMSg276ZiOcXGhIw

rs=AGLTcCNw7i48hWQ0tYNMSg276ZiOcXGhIw

111 ms

h3_04.jpg

h3_04.jpg

1095 ms

3880_s.jpg

3880_s.jpg

1098 ms

4104_s.jpg

4104_s.jpg

1214 ms

bdHGHleUa-ndQCOrdpfxfw.ttf

bdHGHleUa-ndQCOrdpfxfw.ttf

142 ms

W5F8_SL0XFawnjxHGsZjJA.ttf

W5F8_SL0XFawnjxHGsZjJA.ttf

217 ms

www-embed-player-vflfNyN_r.css

www-embed-player-vflfNyN_r.css

204 ms

www-embed-player.js

www-embed-player.js

252 ms

base.js

base.js

345 ms

3193398744-postmessagerelay.js

3193398744-postmessagerelay.js

125 ms

rpc:shindig_random.js

rpc:shindig_random.js

41 ms

7_s.jpg

7_s.jpg

1067 ms

4585_s.jpg

4585_s.jpg

1080 ms

5035_s.jpg

5035_s.jpg

1109 ms

3330_s.jpg

3330_s.jpg

1116 ms

4877_s.jpg

4877_s.jpg

1213 ms

172 ms

jot

jot

351 ms

xd_arbiter.php

xd_arbiter.php

643 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

96 ms

3143_s.jpg

3143_s.jpg

1017 ms

3637_s.jpg

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1033 ms

2711_s.jpg

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1068 ms

1986_s.jpg

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1078 ms

5303_s.jpg

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1174 ms

4285_s.jpg

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1166 ms

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

65 ms

ad_status.js

ad_status.js

72 ms

2UX7WLTfW3W8TclTUvlFyQ.woff

2UX7WLTfW3W8TclTUvlFyQ.woff

49 ms

RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff

RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff

49 ms

3223_s.jpg

3223_s.jpg

996 ms

2870_s.jpg

2870_s.jpg

1017 ms

button_koushi_off.jpg

button_koushi_off.jpg

1036 ms

h3_05.jpg

h3_05.jpg

1049 ms

title_text.jpg

title_text.jpg

1130 ms

text_nyumon.jpg

text_nyumon.jpg

1121 ms

text_shokyu.jpg

text_shokyu.jpg

1011 ms

text_chukyu.jpg

text_chukyu.jpg

1034 ms

text_jokyu.jpg

text_jokyu.jpg

1055 ms

text_business.jpg

text_business.jpg

1064 ms

title_free.jpg

title_free.jpg

1130 ms

text_freetalk.jpg

text_freetalk.jpg

1138 ms

h3_06.jpg

h3_06.jpg

1016 ms

lesson_month.jpg

lesson_month.jpg

1028 ms

lesson_point.jpg

lesson_point.jpg

1222 ms

h3_07.jpg

h3_07.jpg

1071 ms

button_taiken_off.jpg

button_taiken_off.jpg

1113 ms

title_news.jpg

title_news.jpg

1115 ms

title_migi01.jpg

title_migi01.jpg

1017 ms

banner01.jpg

banner01.jpg

1044 ms

banner02.jpg

banner02.jpg

1085 ms

banner03.jpg

banner03.jpg

1103 ms

banner04.jpg

banner04.jpg

1112 ms

title_migi02.jpg

title_migi02.jpg

1027 ms

banner05.jpg

banner05.jpg

1061 ms

title_migi03.jpg

title_migi03.jpg

1075 ms

banner06.jpg

banner06.jpg

1071 ms

footer_pagetop.jpg

footer_pagetop.jpg

1090 ms

back_to_top.gif

back_to_top.gif

994 ms

header_back_repeat.jpg

header_back_repeat.jpg

1026 ms

header_back.jpg

header_back.jpg

1051 ms

button_24h_off.png

button_24h_off.png

1057 ms

gnav_back.jpg

gnav_back.jpg

1075 ms

gnav.jpg

gnav.jpg

1078 ms

loginback.jpg

loginback.jpg

996 ms

6couse_nyumon_off.jpg

6couse_nyumon_off.jpg

1029 ms

6couse_shokyu_off.jpg

6couse_shokyu_off.jpg

1055 ms

6couse_chukyu_off.jpg

6couse_chukyu_off.jpg

1066 ms

6couse_jokyu_off.jpg

6couse_jokyu_off.jpg

1077 ms

6couse_business_off.jpg

6couse_business_off.jpg

1062 ms

6couse_free_off.jpg

6couse_free_off.jpg

993 ms

star.jpg

star.jpg

1024 ms

topics_line.jpg

topics_line.jpg

1052 ms

new_mini.jpg

new_mini.jpg

1061 ms

button_more_on.jpg

button_more_on.jpg

1075 ms

button_koushi_on.jpg

button_koushi_on.jpg

1045 ms

button_taiken_on.jpg

button_taiken_on.jpg

991 ms

button_shinki_off_23.jpg

button_shinki_off_23.jpg

1025 ms

news_line.jpg

news_line.jpg

1050 ms

footer_back.jpg

footer_back.jpg

1058 ms

arrow_left.jpg

arrow_left.jpg

1027 ms

arrow_right.jpg

arrow_right.jpg

1007 ms

Accessibility Review

netchai.jp accessibility score

53

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 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.

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

Buttons do not have an accessible name

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

netchai.jp best practices score

75

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

netchai.jp SEO score

90

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

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

    N/A

  • Encoding

    UTF-8

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

netchai.jp

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