Tools & Wizards About Us
mandarinedu.org screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    77% of other websites

  • 31

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 42

    SEO

    Google-friendlier than
    18% of websites

mandarinedu.org

语风汉语教学汉语知识-语风汉教中心官网|语风汉语学校官网|语风国际教育交流集团|无锡外国人学汉语|无锡汉语学习|无锡语风汉语|昆明语风汉语|北京语风汉语|成都语风汉语|西安语风汉语|语风汉语学校|游学无锡|来华学汉语

Page Load Speed

28 sec in total

First Response

1.1 sec

Resources Loaded

23.8 sec

Page Rendered

3.1 sec

mandarinedu.org screenshot

About Website

Visit mandarinedu.org now to see the best up-to-date Mandarinedu content and also check out these interesting facts you probably never knew about mandarinedu.org

语风汉语是无锡最早最专业对外汉语教学研究机构,是国家汉办HSK无锡考点,是联合国粮食署、法国工业部、加纳CID非政府组织、市教育局国教中心、江南大学等50多所高校的重要合作单位,专业为各地外国人提供汉语中国文化HSK培训,0510-81151808.一对一定制+浸入式学习,让您轻松全面掌握汉语。

Visit mandarinedu.org

Key Findings

We analyzed Mandarinedu.org page load time and found that the first response time was 1.1 sec and then it took 26.9 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

mandarinedu.org performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value330 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value8.8 s

36/100

10%

Network Requests Diagram

mandarinedu.org

1095 ms

css.css

403 ms

jquery-1.11.2.min.js

1251 ms

main.js

420 ms

800.js

912 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 44% of them (41 requests) were addressed to the original Mandarinedu.org, 49% (46 requests) were made to Data.pop800.com and 2% (2 requests) were made to Api.pop800.com. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source V3.jiathis.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 288.2 kB (24%)

Content Size

1.2 MB

After Optimization

933.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Mandarinedu.org main page is 1.2 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. 30% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 70.9 kB

  • Original 86.0 kB
  • After minification 72.0 kB
  • After compression 15.1 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 14.1 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 70.9 kB or 82% of the original size.

Image Optimization

-13%

Potential reduce by 125.4 kB

  • Original 1.0 MB
  • After minification 877.0 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, Mandarinedu needs image optimization as it can save up to 125.4 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 71.7 kB

  • Original 107.2 kB
  • After minification 101.6 kB
  • After compression 35.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 71.7 kB or 67% of the original size.

CSS Optimization

-78%

Potential reduce by 20.1 kB

  • Original 25.8 kB
  • After minification 21.6 kB
  • After compression 5.7 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. Mandarinedu.org needs all CSS files to be minified and compressed as it can save up to 20.1 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (7%)

Requests Now

41

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mandarinedu. 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 as a result speed up the page load time.

Network Requests Diagram

mandarinedu.org

mandarinedu.org

1095 ms

css.css

css.css

403 ms

jquery-1.11.2.min.js

jquery-1.11.2.min.js

1251 ms

main.js

main.js

420 ms

800.js

800.js

912 ms

scrollver.js

scrollver.js

448 ms

kefu.js

kefu.js

381 ms

jiathis_r.js

jiathis_r.js

20311 ms

800.js

800.js

629 ms

block.css

block.css

568 ms

mbg.jpg

mbg.jpg

382 ms

topbg.jpg

topbg.jpg

620 ms

title.png

title.png

1655 ms

menubg_.jpg

menubg_.jpg

423 ms

menubg.jpg

menubg.jpg

422 ms

bannerbg.jpg

bannerbg.jpg

421 ms

155447818825.jpg.213x147.jpg

155447818825.jpg.213x147.jpg

1054 ms

155447833842.png.213x147.jpg

155447833842.png.213x147.jpg

834 ms

155447718550.jpg.213x147.jpg

155447718550.jpg.213x147.jpg

1055 ms

155447741132.jpg.213x147.jpg

155447741132.jpg.213x147.jpg

1099 ms

155447757254.jpg.213x147.jpg

155447757254.jpg.213x147.jpg

1184 ms

155447766434.png.213x147.jpg

155447766434.png.213x147.jpg

1453 ms

155447537792.jpg.213x147.jpg

155447537792.jpg.213x147.jpg

1569 ms

155447514027.jpg.213x147.jpg

155447514027.jpg.213x147.jpg

1672 ms

155447616754.jpg.213x147.jpg

155447616754.jpg.213x147.jpg

1695 ms

155447602399.jpg.213x147.jpg

155447602399.jpg.213x147.jpg

1937 ms

20180812124900_51450.jpg

20180812124900_51450.jpg

2135 ms

155480540696.png.163x174.jpg

155480540696.png.163x174.jpg

2322 ms

155480487954.png.163x174.jpg

155480487954.png.163x174.jpg

2430 ms

155480442261.png.163x174.jpg

155480442261.png.163x174.jpg

2503 ms

155480532124.png.163x174.jpg

155480532124.png.163x174.jpg

2519 ms

155480446033.png.163x174.jpg

155480446033.png.163x174.jpg

2762 ms

155480547485.png.163x174.jpg

155480547485.png.163x174.jpg

2888 ms

155480515856.png.163x174.jpg

155480515856.png.163x174.jpg

3212 ms

155480501447.png.163x174.jpg

155480501447.png.163x174.jpg

3000 ms

ga.png

ga.png

3065 ms

800.css

800.css

792 ms

skin.css

skin.css

791 ms

count.do

count.do

1920 ms

default.gif

default.gif

947 ms

top_left.gif

top_left.gif

680 ms

closed.gif

closed.gif

681 ms

top_right.gif

top_right.gif

680 ms

callme_en.gif

callme_en.gif

677 ms

notcallme_en.gif

notcallme_en.gif

677 ms

foot_left.gif

foot_left.gif

677 ms

foot_bg.gif

foot_bg.gif

676 ms

foot_right.gif

foot_right.gif

677 ms

top_left.gif

top_left.gif

677 ms

but_up.gif

but_up.gif

677 ms

closed.gif

closed.gif

677 ms

top_right.gif

top_right.gif

676 ms

name.gif

name.gif

676 ms

mobile.gif

mobile.gif

676 ms

email.gif

email.gif

676 ms

submit_en.gif

submit_en.gif

676 ms

foot_left.gif

foot_left.gif

677 ms

foot_bg.gif

foot_bg.gif

676 ms

foot_right.gif

foot_right.gif

676 ms

top_bg.gif

top_bg.gif

676 ms

mid_bg.gif

mid_bg.gif

676 ms

top_bg.gif

top_bg.gif

676 ms

mid_bg.gif

mid_bg.gif

675 ms

mbg2.jpg

mbg2.jpg

2863 ms

conbg.jpg

conbg.jpg

2950 ms

dot.jpg

dot.jpg

3112 ms

xdot.jpg

xdot.jpg

2500 ms

jzbg.jpg

jzbg.jpg

2589 ms

imgbg.jpg

imgbg.jpg

2608 ms

linkbg.jpg

linkbg.jpg

3042 ms

footbg.jpg

footbg.jpg

3075 ms

800.css

800.css

384 ms

skin.css

skin.css

383 ms

count.do

count.do

2254 ms

default.gif

default.gif

683 ms

top_left.gif

top_left.gif

268 ms

closed.gif

closed.gif

263 ms

top_right.gif

top_right.gif

262 ms

callme_en.gif

callme_en.gif

261 ms

notcallme_en.gif

notcallme_en.gif

260 ms

foot_left.gif

foot_left.gif

259 ms

foot_bg.gif

foot_bg.gif

259 ms

foot_right.gif

foot_right.gif

258 ms

top_left.gif

top_left.gif

258 ms

but_up.gif

but_up.gif

258 ms

closed.gif

closed.gif

257 ms

top_right.gif

top_right.gif

254 ms

name.gif

name.gif

254 ms

mobile.gif

mobile.gif

253 ms

email.gif

email.gif

252 ms

submit_en.gif

submit_en.gif

252 ms

foot_left.gif

foot_left.gif

252 ms

foot_bg.gif

foot_bg.gif

251 ms

foot_right.gif

foot_right.gif

251 ms

Accessibility Review

mandarinedu.org accessibility score

31

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

High

<object> elements do not have alternate text

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

mandarinedu.org 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

High

Browser errors were logged to the console

SEO Factors

mandarinedu.org SEO score

42

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

High

Image elements do not have [alt] attributes

High

Document uses plugins

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

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mandarinedu.org can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Mandarinedu.org 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

mandarinedu.org

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