Tools & Wizards About Us

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

em-lyon.com.cn

法国里昂商学院 - emlyon business school - 开设Global EMBA|DBA|EE|MBA等项目

Page Load Speed

29.2 sec in total

First Response

694 ms

Resources Loaded

26 sec

Page Rendered

2.6 sec

About Website

Click here to check amazing Em Lyon content. Otherwise, check out these important facts you probably never knew about em-lyon.com.cn

里昂商学院成立于1872年，是欧洲最古老的商学院之一，也是世界上1%的同时获得三大国际认证（AACSB, EQUIS, AMBA）的商学院之一。在数字化变革的时代，里昂商学院提出全新的理念，将为世界培养创客先锋（Early Makers）纳入我们的战略和教学发展目标。

Visit em-lyon.com.cn

Key Findings

We analyzed Em-lyon.com.cn page load time and found that the first response time was 694 ms and then it took 28.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 33 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

em-lyon.com.cn performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value30.6 s

0/100

25%

SI (Speed Index)

Value26.8 s

0/100

10%

TBT (Total Blocking Time)

Value690 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value23.2 s

1/100

10%

Network Requests Diagram

em-lyon.com.cn

694 ms

www.em-lyon.com.cn

1356 ms

jquery-1.11.2.min.js

432 ms

bootstrap.min.css

845 ms

animations.css

643 ms

Our browser made a total of 141 requests to load all elements on the main page. We found that 93% of them (131 requests) were addressed to the original Em-lyon.com.cn, 2% (3 requests) were made to Googletagmanager.com and 1% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Em-lyon.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 165.1 kB (20%)

Content Size

815.5 kB

After Optimization

650.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Em-lyon.com.cn main page is 815.5 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. 45% of websites need less resources to load. Images take 476.7 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 70.4 kB

  • Original 82.3 kB
  • After minification 53.4 kB
  • After compression 11.9 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 28.9 kB, which is 35% 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 70.4 kB or 86% of the original size.

Image Optimization

-5%

Potential reduce by 22.2 kB

  • Original 476.7 kB
  • After minification 454.5 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. Em Lyon images are well optimized though.

JavaScript Optimization

-29%

Potential reduce by 50.5 kB

  • Original 173.6 kB
  • After minification 173.1 kB
  • After compression 123.1 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 50.5 kB or 29% of the original size.

CSS Optimization

-26%

Potential reduce by 22.0 kB

  • Original 82.9 kB
  • After minification 82.9 kB
  • After compression 61.0 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. Em-lyon.com.cn needs all CSS files to be minified and compressed as it can save up to 22.0 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (38%)

Requests Now

52

After Optimization

32

  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Em Lyon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

em-lyon.com.cn accessibility score

91

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.

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

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

em-lyon.com.cn 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

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

em-lyon.com.cn SEO score

89

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

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

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Em-lyon.com.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Em-lyon.com.cn 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 Em Lyon. 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: