Tools & Wizards About Us
global.sjtu.edu.cn screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

global.sjtu.edu.cn

首页 - 上海交通大学国际合作与交流处

Page Load Speed

11.7 sec in total

First Response

1.5 sec

Resources Loaded

9.9 sec

Page Rendered

204 ms

global.sjtu.edu.cn screenshot

About Website

Click here to check amazing Global Sjtu content for China. Otherwise, check out these important facts you probably never knew about global.sjtu.edu.cn

国际合作与交流处（港澳台办公室）（简称“国际处”）是执行学校统一涉外政策、协调学校与海内外 交流与合作事务的职能部门，服务于学校的国际化战略和布局，努力为全校师生搭建多层面的交流平台， 以多方位多层次的交流与合作活动提升学校的国际影响力。

Visit global.sjtu.edu.cn

Key Findings

We analyzed Global.sjtu.edu.cn page load time and found that the first response time was 1.5 sec and then it took 10.1 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

global.sjtu.edu.cn performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value18.1 s

0/100

10%

TBT (Total Blocking Time)

Value790 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0.389

26/100

15%

TTI (Time to Interactive)

Value9.4 s

30/100

10%

Network Requests Diagram

global.sjtu.edu.cn

1524 ms

application-86ff79286ff75026ee300fa6df6d1473.css

2336 ms

modernizr-min-b4e303bfcf93f58fdc3793a72ff25471.js

1151 ms

application-77e54f02aaaf9d6c9bdbb0c3d4a9dc8c.js

2596 ms

bg-6c9c840612544778f9fde771714abe88.jpg

576 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that all of those requests were addressed to Global.sjtu.edu.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (6 sec) belongs to the original domain Global.sjtu.edu.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 343.9 kB (15%)

Content Size

2.2 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Global.sjtu.edu.cn main page is 2.2 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. 20% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 10.2 kB

  • Original 14.9 kB
  • After minification 14.6 kB
  • After compression 4.7 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 10.2 kB or 68% of the original size.

Image Optimization

-1%

Potential reduce by 11.5 kB

  • Original 1.8 MB
  • After minification 1.8 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. Global Sjtu images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 154.2 kB

  • Original 232.2 kB
  • After minification 231.8 kB
  • After compression 78.0 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 154.2 kB or 66% of the original size.

CSS Optimization

-86%

Potential reduce by 168.1 kB

  • Original 195.3 kB
  • After minification 194.2 kB
  • After compression 27.2 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. Global.sjtu.edu.cn needs all CSS files to be minified and compressed as it can save up to 168.1 kB or 86% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

21

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Global Sjtu. According to our analytics all requests are already optimized.

Network Requests Diagram

global.sjtu.edu.cn

global.sjtu.edu.cn

1524 ms

application-86ff79286ff75026ee300fa6df6d1473.css

application-86ff79286ff75026ee300fa6df6d1473.css

2336 ms

modernizr-min-b4e303bfcf93f58fdc3793a72ff25471.js

modernizr-min-b4e303bfcf93f58fdc3793a72ff25471.js

1151 ms

application-77e54f02aaaf9d6c9bdbb0c3d4a9dc8c.js

application-77e54f02aaaf9d6c9bdbb0c3d4a9dc8c.js

2596 ms

bg-6c9c840612544778f9fde771714abe88.jpg

bg-6c9c840612544778f9fde771714abe88.jpg

576 ms

logo-with-circle-6daf15d488f6931b2101d983239b5d7e.png

logo-with-circle-6daf15d488f6931b2101d983239b5d7e.png

577 ms

search-97ab7a4608b801faa789f95c2765cd31.png

search-97ab7a4608b801faa789f95c2765cd31.png

290 ms

newsbanner36.jpg

newsbanner36.jpg

2305 ms

newsbanner35.jpg

newsbanner35.jpg

2889 ms

newsbanner34.jpg

newsbanner34.jpg

2621 ms

newsbanner31.jpg

newsbanner31.jpg

1738 ms

newsbanner27.jpg

newsbanner27.jpg

2909 ms

partner.jpg

partner.jpg

2598 ms

ADMISSION.jpg

ADMISSION.jpg

3467 ms

school11.jpg

school11.jpg

3170 ms

school22.jpg

school22.jpg

4039 ms

school33.jpg

school33.jpg

3774 ms

course.jpg

course.jpg

4625 ms

school-logo.png

school-logo.png

3771 ms

TitilliumWeb-Regular-57d23378512026ca22ccc374988a8058.woff

TitilliumWeb-Regular-57d23378512026ca22ccc374988a8058.woff

4303 ms

TitilliumWeb-SemiBold-df45d481423abef3f1a5d0ce68a0df0f.woff

TitilliumWeb-SemiBold-df45d481423abef3f1a5d0ce68a0df0f.woff

4599 ms

TitilliumWeb-Bold-4d604a3d2742c3424f925d20386ef449.woff

TitilliumWeb-Bold-4d604a3d2742c3424f925d20386ef449.woff

4616 ms

TitilliumWeb-Light-6b38f524a258875e527a05f8a7bdfe43.woff

TitilliumWeb-Light-6b38f524a258875e527a05f8a7bdfe43.woff

4622 ms

Lucida-Sans-Unicode-e462c8dcf5924ce1e6570a2e2e532a58.woff

Lucida-Sans-Unicode-e462c8dcf5924ce1e6570a2e2e532a58.woff

6033 ms

latest

latest

5465 ms

arrow-white-9c66010ea49cdd736cbbbe8d7df12d5e.png

arrow-white-9c66010ea49cdd736cbbbe8d7df12d5e.png

4842 ms

icons-s6eddf638ce-07dc00308728b2a7e808fda3ffaf88af.png

icons-s6eddf638ce-07dc00308728b2a7e808fda3ffaf88af.png

5134 ms

Accessibility Review

global.sjtu.edu.cn accessibility score

74

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

High

<object> elements do not have alternate text

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

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

global.sjtu.edu.cn 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

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

global.sjtu.edu.cn SEO score

92

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

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

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Global.sjtu.edu.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 Global.sjtu.edu.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

global.sjtu.edu.cn

Open Graph description is not detected on the main page of Global Sjtu. 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: