Tools & Wizards About Us
sontan.net screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

sontan.net

广州应用科技学院

Page Load Speed

36.4 sec in total

First Response

1.8 sec

Resources Loaded

34.4 sec

Page Rendered

153 ms

sontan.net screenshot

About Website

Visit sontan.net now to see the best up-to-date Sontan content and also check out these interesting facts you probably never knew about sontan.net

广州应用科技学院

Visit sontan.net

Key Findings

We analyzed Sontan.net page load time and found that the first response time was 1.8 sec and then it took 34.6 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 11 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

sontan.net performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

42/100

10%

LCP (Largest Contentful Paint)

Value10.0 s

0/100

25%

SI (Speed Index)

Value13.6 s

2/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value1.506

0/100

15%

TTI (Time to Interactive)

Value3.3 s

94/100

10%

Network Requests Diagram

sontan.net

1810 ms

index.do

12326 ms

style.css

7984 ms

scroll.js

3241 ms

bg21.jpg

16757 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 Sontan.net and no external sources were called. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain Sontan.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 94.2 kB (83%)

Content Size

113.7 kB

After Optimization

19.5 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Sontan.net main page is 113.7 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. HTML takes 84.1 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 69.8 kB

  • Original 84.1 kB
  • After minification 72.1 kB
  • After compression 14.2 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 12.0 kB, which is 14% 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 69.8 kB or 83% of the original size.

JavaScript Optimization

-75%

Potential reduce by 2.6 kB

  • Original 3.4 kB
  • After minification 2.2 kB
  • After compression 834 B

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 2.6 kB or 75% of the original size.

CSS Optimization

-83%

Potential reduce by 21.8 kB

  • Original 26.2 kB
  • After minification 23.5 kB
  • After compression 4.4 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. Sontan.net needs all CSS files to be minified and compressed as it can save up to 21.8 kB or 83% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

13

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sontan. According to our analytics all requests are already optimized.

Network Requests Diagram

sontan.net

sontan.net

1810 ms

index.do

index.do

12326 ms

style.css

style.css

7984 ms

scroll.js

scroll.js

3241 ms

bg21.jpg

bg21.jpg

16757 ms

topdj1.jpg

topdj1.jpg

13842 ms

2015zs.jpg

2015zs.jpg

19644 ms

jt01.gif

jt01.gif

4390 ms

line01.jpg

line01.jpg

4819 ms

jt02.gif

jt02.gif

19643 ms

line04.jpg

line04.jpg

8519 ms

pic01.gif

pic01.gif

8098 ms

pic02.gif

pic02.gif

11907 ms

1456887691973.jpg

1456887691973.jpg

19644 ms

line02.gif

line02.gif

12489 ms

jt03.gif

jt03.gif

13037 ms

pic03.gif

pic03.gif

14680 ms

dian.gif

dian.gif

15592 ms

sel_bg01.gif

sel_bg01.gif

19643 ms

tit_bg02.gif

tit_bg02.gif

19643 ms

dian01.gif

dian01.gif

19644 ms

jt04.gif

jt04.gif

19643 ms

tit_bg.gif

tit_bg.gif

19644 ms

222.gif

222.gif

19644 ms

xxgk.jpg

xxgk.jpg

19644 ms

jt05.gif

jt05.gif

20258 ms

line03.gif

line03.gif

19129 ms

Accessibility Review

sontan.net accessibility score

77

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

sontan.net best practices score

83

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

SEO Factors

sontan.net 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

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sontan.net 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 Sontan.net 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

sontan.net

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