Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

wellingtoncollege.cn

International Schools in China, Best British Schools in China, Bilingual Schools in China - Wellington College China

Page Load Speed

10.4 sec in total

First Response

1.4 sec

Resources Loaded

8.9 sec

Page Rendered

101 ms

wellingtoncollege.cn screenshot

About Website

Click here to check amazing Wellington College content for China. Otherwise, check out these important facts you probably never knew about wellingtoncollege.cn

As a group of the best international schools in China, Wellington College China has established several bilingual schools and international schools in China that offer British education in Shanghai, T...

Visit wellingtoncollege.cn

Key Findings

We analyzed Wellingtoncollege.cn page load time and found that the first response time was 1.4 sec and then it took 9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

wellingtoncollege.cn performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.0 s

0/100

25%

SI (Speed Index)

Value11.7 s

4/100

10%

TBT (Total Blocking Time)

Value1,280 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.132

81/100

15%

TTI (Time to Interactive)

Value14.1 s

9/100

10%

Network Requests Diagram

www.wellingtoncollege.cn

1429 ms

tailwindcss.js

1406 ms

animate.min.css

214 ms

swiper.min.css

427 ms

common.css

639 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 49% of them (37 requests) were addressed to the original Wellingtoncollege.cn, 43% (33 requests) were made to Cmsstatic.wellingtoncollege.cn and 3% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (4.8 sec) relates to the external source Cmsstatic.wellingtoncollege.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 433.3 kB (45%)

Content Size

966.2 kB

After Optimization

532.9 kB

In fact, the total size of Wellingtoncollege.cn main page is 966.2 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. 50% of websites need less resources to load. Images take 514.5 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 78.2 kB

  • Original 88.8 kB
  • After minification 55.0 kB
  • After compression 10.6 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 33.8 kB, which is 38% 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 78.2 kB or 88% of the original size.

Image Optimization

-20%

Potential reduce by 101.3 kB

  • Original 514.5 kB
  • After minification 413.3 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, Wellington College needs image optimization as it can save up to 101.3 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 253.8 kB

  • Original 362.9 kB
  • After minification 362.9 kB
  • After compression 109.1 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 253.8 kB or 70% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (43%)

Requests Now

69

After Optimization

39

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wellington College. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

wellingtoncollege.cn accessibility score

67

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

wellingtoncollege.cn best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Page has valid source maps

SEO Factors

wellingtoncollege.cn SEO score

85

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

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wellingtoncollege.cn can be misinterpreted by Google and other search engines. Our service has detected that English 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 Wellingtoncollege.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 Wellington College. 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: