Report Summary

  • 47

    Performance

    Renders faster than
    67% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 0

    Best Practices

  • 75

    SEO

    Google-friendlier than
    32% of websites

sysucc.org.cn

中山大学肿瘤防治中心

Page Load Speed

28.7 sec in total

First Response

1.8 sec

Resources Loaded

22.2 sec

Page Rendered

4.8 sec

sysucc.org.cn screenshot

About Website

Welcome to sysucc.org.cn homepage info - get ready to check Sysucc best content for China right away, or after learning these important things about sysucc.org.cn

中山大学肿瘤防治中心,中山大学附属肿瘤医院

Visit sysucc.org.cn

Key Findings

We analyzed Sysucc.org.cn page load time and found that the first response time was 1.8 sec and then it took 27 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 was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

sysucc.org.cn performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value16.6 s

0/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

Network Requests Diagram

sysucc.org.cn

1752 ms

CA200000000450025890002.js

8278 ms

bg.jpg

2913 ms

index_2013.jpg

20443 ms

blue_error.png

1135 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that 60% of them (3 requests) were addressed to the original Sysucc.org.cn, 40% (2 requests) were made to Dcs.conac.cn. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Sysucc.org.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 11.2 kB (29%)

Content Size

38.3 kB

After Optimization

27.2 kB

In fact, the total size of Sysucc.org.cn main page is 38.3 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 36.7 kB which makes up the majority of the site volume.

HTML Optimization

-58%

Potential reduce by 958 B

  • Original 1.6 kB
  • After minification 1.6 kB
  • After compression 682 B

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 958 B or 58% of the original size.

Image Optimization

-28%

Potential reduce by 10.2 kB

  • Original 36.7 kB
  • After minification 26.5 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. Obviously, Sysucc needs image optimization as it can save up to 10.2 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sysucc. According to our analytics all requests are already optimized.

Accessibility Review

sysucc.org.cn accessibility score

65

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

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.

SEO Factors

sysucc.org.cn SEO score

75

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

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sysucc.org.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Sysucc.org.cn main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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