Tools & Wizards About Us
mandarinhouse.com screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

mandarinhouse.com

Learn Chinese. Quality Chinese Courses | Mandarin House

Page Load Speed

4.3 sec in total

First Response

658 ms

Resources Loaded

3.5 sec

Page Rendered

126 ms

mandarinhouse.com screenshot

About Website

Click here to check amazing Mandarin House content for Russia. Otherwise, check out these important facts you probably never knew about mandarinhouse.com

More than 20,000 students from 70+ countries joined Mandarin House to learn and improve their Mandarin Chinese. We provide a complete range of Chinese courses for adults, juniors and companies.

Visit mandarinhouse.com

Key Findings

We analyzed Mandarinhouse.com page load time and found that the first response time was 658 ms and then it took 3.7 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

mandarinhouse.com performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value310 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0.025

100/100

15%

TTI (Time to Interactive)

Value7.2 s

51/100

10%

Network Requests Diagram

mandarinhouse.com

658 ms

mandarinhouse.com

882 ms

xn.js

231 ms

css_pbm0lsQQJ7A7WCCIMgxLho6mI_kBNgznNUWmTWcnfoE.css

219 ms

css_vZ_wrMQ9Og-YPPxa1q4us3N7DsZMJa-14jShHgRoRNo.css

437 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 79% of them (27 requests) were addressed to the original Mandarinhouse.com, 6% (2 requests) were made to Ssl.google-analytics.com and 3% (1 request) were made to Web.configs.im. The less responsive or slowest element that took the longest time to load (904 ms) belongs to the original domain Mandarinhouse.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 214.7 kB (41%)

Content Size

520.1 kB

After Optimization

305.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Mandarinhouse.com main page is 520.1 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. 25% of websites need less resources to load. Images take 286.7 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 26.5 kB

  • Original 35.0 kB
  • After minification 32.6 kB
  • After compression 8.4 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 26.5 kB or 76% of the original size.

Image Optimization

-36%

Potential reduce by 102.4 kB

  • Original 286.7 kB
  • After minification 184.3 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, Mandarin House needs image optimization as it can save up to 102.4 kB or 36% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-45%

Potential reduce by 83.0 kB

  • Original 183.4 kB
  • After minification 172.5 kB
  • After compression 100.4 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 83.0 kB or 45% of the original size.

CSS Optimization

-18%

Potential reduce by 2.7 kB

  • Original 15.0 kB
  • After minification 15.0 kB
  • After compression 12.2 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. Mandarinhouse.com needs all CSS files to be minified and compressed as it can save up to 2.7 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (45%)

Requests Now

29

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mandarin House. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

mandarinhouse.com

mandarinhouse.com

658 ms

mandarinhouse.com

mandarinhouse.com

882 ms

xn.js

xn.js

231 ms

css_pbm0lsQQJ7A7WCCIMgxLho6mI_kBNgznNUWmTWcnfoE.css

css_pbm0lsQQJ7A7WCCIMgxLho6mI_kBNgznNUWmTWcnfoE.css

219 ms

css_vZ_wrMQ9Og-YPPxa1q4us3N7DsZMJa-14jShHgRoRNo.css

css_vZ_wrMQ9Og-YPPxa1q4us3N7DsZMJa-14jShHgRoRNo.css

437 ms

css_qKsSCcrOVT4pKULgi4iAVuPQPU3lfSzuSXMJCARUKic.css

css_qKsSCcrOVT4pKULgi4iAVuPQPU3lfSzuSXMJCARUKic.css

650 ms

css_4J0uw6_ewk0Gbuf5ak3bnf27D-jFi-_1ZzLd1Y6_Fc4.css

css_4J0uw6_ewk0Gbuf5ak3bnf27D-jFi-_1ZzLd1Y6_Fc4.css

654 ms

css_ztqjYy_8jPZp3qHkC5M_l1yNVjIue0kCfiIjw1cMjBM.css

css_ztqjYy_8jPZp3qHkC5M_l1yNVjIue0kCfiIjw1cMjBM.css

652 ms

js_xAPl0qIk9eowy_iS9tNkCWXLUVoat94SQT48UBCFkyQ.js

js_xAPl0qIk9eowy_iS9tNkCWXLUVoat94SQT48UBCFkyQ.js

873 ms

js_yXZhF2Kvq_0hAkjxf1uvEtagZ6g1ZmEsx_QNu08LPPg.js

js_yXZhF2Kvq_0hAkjxf1uvEtagZ6g1ZmEsx_QNu08LPPg.js

670 ms

js_633-gU4V5pLH5zPE1olqhDxcpFLrAl2IlsEEAmxZs7Q.js

js_633-gU4V5pLH5zPE1olqhDxcpFLrAl2IlsEEAmxZs7Q.js

904 ms

js_a_XWH2S1EQaU85ypMDyQGiUfzPFez1IOZKxHnhGkv3E.js

js_a_XWH2S1EQaU85ypMDyQGiUfzPFez1IOZKxHnhGkv3E.js

880 ms

js_azQHAT-snAcpLr7FR4PLpPgSgjxZjRkOZ6hxfpQCEY4.js

js_azQHAT-snAcpLr7FR4PLpPgSgjxZjRkOZ6hxfpQCEY4.js

881 ms

buttons.js

buttons.js

29 ms

fbevents.js

fbevents.js

21 ms

ga.js

ga.js

57 ms

bg_h_b.png

bg_h_b.png

227 ms

logo.png

logo.png

448 ms

home-banner-320.jpg

home-banner-320.jpg

453 ms

20160727-3.jpg

20160727-3.jpg

438 ms

best%E6%9B%BF%E6%8D%A2.jpg

best%E6%9B%BF%E6%8D%A2.jpg

434 ms

ico_slideshow.png

ico_slideshow.png

221 ms

online.jpg

online.jpg

445 ms

private-tutoring.jpg

private-tutoring.jpg

442 ms

shanghai3.jpg

shanghai3.jpg

650 ms

beijing.jpg

beijing.jpg

659 ms

lalc2015.png

lalc2015.png

665 ms

LTM2014.png

LTM2014.png

872 ms

youtube.png

youtube.png

676 ms

websymbols-regular-webfont.woff

websymbols-regular-webfont.woff

631 ms

__utm.gif

__utm.gif

11 ms

collect

collect

25 ms

ga-audiences

ga-audiences

76 ms

css_e0Oi8I1L8cGJ7KxcUbimLkO-ivlPDoZXuBZMWKAz5GY.css

css_e0Oi8I1L8cGJ7KxcUbimLkO-ivlPDoZXuBZMWKAz5GY.css

218 ms

Accessibility Review

mandarinhouse.com accessibility score

83

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.

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

Links do not have a discernible name

Best Practices

mandarinhouse.com best practices score

58

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

mandarinhouse.com SEO score

71

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mandarinhouse.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Mandarinhouse.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

mandarinhouse.com

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