Tools & Wizards About Us
dulwich-shanghai.cn screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

dulwich-shanghai.cn

International School | Dulwich College Shanghai Pudong

Page Load Speed

12.2 sec in total

First Response

239 ms

Resources Loaded

11.3 sec

Page Rendered

583 ms

dulwich-shanghai.cn screenshot

About Website

Click here to check amazing Dulwich Shanghai content for United Kingdom. Otherwise, check out these important facts you probably never knew about dulwich-shanghai.cn

Dulwich College Shanghai Pudong is an International School located in the Pudong district of Shanghai, China. Now accepting applications for enrollment.

Visit dulwich-shanghai.cn

Key Findings

We analyzed Dulwich-shanghai.cn page load time and found that the first response time was 239 ms and then it took 11.9 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

dulwich-shanghai.cn performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value23.1 s

0/100

25%

SI (Speed Index)

Value24.8 s

0/100

10%

TBT (Total Blocking Time)

Value4,570 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.031

100/100

15%

TTI (Time to Interactive)

Value35.1 s

0/100

10%

Network Requests Diagram

dulwich-shanghai.cn

239 ms

shanghai-pudong.dulwich.org

5831 ms

optimize.js

59 ms

sdkEntry.js

1796 ms

modernizr-custom.js

256 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Dulwich-shanghai.cn, 49% (23 requests) were made to Assets.dulwich.org and 30% (14 requests) were made to Dulwich.org. The less responsive or slowest element that took the longest time to load (5.8 sec) relates to the external source Shanghai-pudong.dulwich.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 208.0 kB (12%)

Content Size

1.7 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dulwich-shanghai.cn main page is 1.7 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. 55% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 134.5 kB

  • Original 150.4 kB
  • After minification 94.6 kB
  • After compression 15.9 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 55.9 kB, which is 37% 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 134.5 kB or 89% of the original size.

Image Optimization

-5%

Potential reduce by 73.4 kB

  • Original 1.5 MB
  • After minification 1.4 MB

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. Dulwich Shanghai images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 92 B

  • Original 28.4 kB
  • After minification 28.4 kB
  • After compression 28.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 58.5 kB
  • After minification 58.5 kB
  • After compression 58.5 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. Dulwich-shanghai.cn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (23%)

Requests Now

40

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dulwich Shanghai. 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 as a result speed up the page load time.

Network Requests Diagram

dulwich-shanghai.cn

dulwich-shanghai.cn

239 ms

shanghai-pudong.dulwich.org

shanghai-pudong.dulwich.org

5831 ms

optimize.js

optimize.js

59 ms

sdkEntry.js

sdkEntry.js

1796 ms

modernizr-custom.js

modernizr-custom.js

256 ms

main.css

main.css

285 ms

email-decode.min.js

email-decode.min.js

11 ms

main.js

main.js

358 ms

externally-accessible.js

externally-accessible.js

284 ms

vcd15cbe7772f49c399c6a5babf22c1241717689176015

vcd15cbe7772f49c399c6a5babf22c1241717689176015

74 ms

analytics.js

analytics.js

223 ms

mtiFontTrackingCode.js

mtiFontTrackingCode.js

205 ms

gtm.js

gtm.js

417 ms

2022-web-dcspd-cn-left-aligned.svg

2022-web-dcspd-cn-left-aligned.svg

1276 ms

crest-logo.svg

crest-logo.svg

203 ms

graduate-worldwise-20220110-100645-259.jpeg

graduate-worldwise-20220110-100645-259.jpeg

820 ms

garry-russell-small-20220817-105738-18.jpg

garry-russell-small-20220817-105738-18.jpg

612 ms

ducks-homepage.jpg

ducks-homepage.jpg

864 ms

online-learning.png

online-learning.png

1161 ms

wechat-image-20221208135346.jpg

wechat-image-20221208135346.jpg

871 ms

use5.jpg

use5.jpg

840 ms

gc.jpg

gc.jpg

1489 ms

dulwich-college-shanghai-pudong-wellbeing-and-healthy-living-2-20220707-143303-31.jpg

dulwich-college-shanghai-pudong-wellbeing-and-healthy-living-2-20220707-143303-31.jpg

1073 ms

dsc1841.jpg

dsc1841.jpg

1130 ms

sport.jpg

sport.jpg

1338 ms

ucc.jpg

ucc.jpg

1304 ms

cca.jpg

cca.jpg

1393 ms

wechat-image-20230215142313resize2-20230215-142558-266.jpg

wechat-image-20230215142313resize2-20230215-142558-266.jpg

1616 ms

8917b16897c68d5316547331165c28889d2db283.jpeg

8917b16897c68d5316547331165c28889d2db283.jpeg

1694 ms

dulwich-shanghai-pudong-20220707-131216-933.jpeg

dulwich-shanghai-pudong-20220707-131216-933.jpeg

1539 ms

1-6dcs-graduate-ss-ib-1415-selfie-shot-student-dulwich-college-shanghai-pudong-20201009-131730-868.jpeg

1-6dcs-graduate-ss-ib-1415-selfie-shot-student-dulwich-college-shanghai-pudong-20201009-131730-868.jpeg

1579 ms

clothesline1resize-20220607-114952-500.jpeg

clothesline1resize-20220607-114952-500.jpeg

1647 ms

0038afb09fd6cbd07cfc9ba6b84f360e.jpg

0038afb09fd6cbd07cfc9ba6b84f360e.jpg

1711 ms

36dab3c449999267bd399b89bb7dbccc6349313d-2.jpeg

36dab3c449999267bd399b89bb7dbccc6349313d-2.jpeg

1782 ms

toddler-susan-2resize.jpeg

toddler-susan-2resize.jpeg

1825 ms

dcspd-jing-qr-code-wechat-20211101-150248-220.jpg

dcspd-jing-qr-code-wechat-20211101-150248-220.jpg

1644 ms

2022-dcspd-cn-centred-aligned-20220129-161113-190.svg

2022-dcspd-cn-centred-aligned-20220129-161113-190.svg

2526 ms

crest-logo.svg

crest-logo.svg

196 ms

union.png

union.png

195 ms

group-logo-text.svg

group-logo-text.svg

194 ms

field-success.svg

field-success.svg

215 ms

Figtree-Regular.woff

Figtree-Regular.woff

487 ms

Figtree-ExtraBold.woff

Figtree-ExtraBold.woff

872 ms

Figtree-Bold.woff

Figtree-Bold.woff

583 ms

icomoon.ttf

icomoon.ttf

70 ms

zawgyi.woff

zawgyi.woff

572 ms

collect

collect

23 ms

Accessibility Review

dulwich-shanghai.cn accessibility score

81

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not have valid values

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

Heading elements are not in a sequentially-descending order

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

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

dulwich-shanghai.cn best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

dulwich-shanghai.cn SEO score

93

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dulwich-shanghai.cn 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 Dulwich-shanghai.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

dulwich-shanghai.cn

Open Graph data is detected on the main page of Dulwich Shanghai. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: