Tools & Wizards About Us

Report Summary

  • 57

    Performance

    Renders faster than
    74% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

mandarinhouse.com

Learn Chinese. Quality Chinese Courses | Mandarin House

Page Load Speed

14.9 sec in total

First Response

1.3 sec

Resources Loaded

13.3 sec

Page Rendered

299 ms

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 1.3 sec and then it took 13.6 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

mandarinhouse.com performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

4/100

25%

SI (Speed Index)

Value6.6 s

38/100

10%

TBT (Total Blocking Time)

Value110 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.2 s

50/100

10%

Network Requests Diagram

mandarinhouse.com

1281 ms

css_pbm0lsQQJ7A7WCCIMgxLho6mI_kBNgznNUWmTWcnfoE.css

233 ms

css_vZ_wrMQ9Og-YPPxa1q4us3N7DsZMJa-14jShHgRoRNo.css

474 ms

css_qKsSCcrOVT4pKULgi4iAVuPQPU3lfSzuSXMJCARUKic.css

486 ms

css_4J0uw6_ewk0Gbuf5ak3bnf27D-jFi-_1ZzLd1Y6_Fc4.css

490 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 79% of them (31 requests) were addressed to the original Mandarinhouse.com, 8% (3 requests) were made to Www22.53kf.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (6.2 sec) relates to the external source Www22.53kf.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 500.6 kB (60%)

Content Size

828.6 kB

After Optimization

328.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Mandarinhouse.com main page is 828.6 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. 35% of websites need less resources to load. Javascripts take 390.4 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 45.8 kB

  • Original 58.1 kB
  • After minification 55.5 kB
  • After compression 12.3 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 45.8 kB or 79% of the original size.

Image Optimization

-37%

Potential reduce by 117.2 kB

  • Original 319.9 kB
  • After minification 202.8 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 117.2 kB or 37% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 289.7 kB

  • Original 390.4 kB
  • After minification 334.6 kB
  • After compression 100.7 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 289.7 kB or 74% of the original size.

CSS Optimization

-80%

Potential reduce by 47.9 kB

  • Original 60.2 kB
  • After minification 58.9 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 47.9 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (38%)

Requests Now

37

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 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 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

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

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

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

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: