Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 42

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

library.sut.edu.cn

沈阳工业大学图书馆

Page Load Speed

26.5 sec in total

First Response

9.2 sec

Resources Loaded

17.2 sec

Page Rendered

110 ms

library.sut.edu.cn screenshot

About Website

Welcome to library.sut.edu.cn homepage info - get ready to check Library Sut best content for China right away, or after learning these important things about library.sut.edu.cn

Visit library.sut.edu.cn

Key Findings

We analyzed Library.sut.edu.cn page load time and found that the first response time was 9.2 sec and then it took 17.3 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.

Performance Metrics

library.sut.edu.cn performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

28/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value3,100 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value5.8 s

67/100

10%

Network Requests Diagram

library.sut.edu.cn

9178 ms

head.jpg

1405 ms

sy.jpg

602 ms

gk.jpg

572 ms

zy.jpg

573 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 81% of them (29 requests) were addressed to the original Library.sut.edu.cn, 8% (3 requests) were made to Duxiu.com and 8% (3 requests) were made to Blyun.com. The less responsive or slowest element that took the longest time to load (9.2 sec) belongs to the original domain Library.sut.edu.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 62.9 kB (68%)

Content Size

92.6 kB

After Optimization

29.7 kB

In fact, the total size of Library.sut.edu.cn main page is 92.6 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. Only 10% of websites need less resources to load. HTML takes 43.0 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 36.3 kB

  • Original 43.0 kB
  • After minification 33.8 kB
  • After compression 6.7 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. This page needs HTML code to be minified as it can gain 9.3 kB, which is 22% 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 36.3 kB or 84% of the original size.

Image Optimization

-29%

Potential reduce by 7.7 kB

  • Original 26.5 kB
  • After minification 18.8 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, Library Sut needs image optimization as it can save up to 7.7 kB or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-82%

Potential reduce by 18.9 kB

  • Original 23.1 kB
  • After minification 18.9 kB
  • After compression 4.2 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. Library.sut.edu.cn needs all CSS files to be minified and compressed as it can save up to 18.9 kB or 82% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

35

After Optimization

35

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Library Sut. According to our analytics all requests are already optimized.

Accessibility Review

library.sut.edu.cn accessibility score

55

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

library.sut.edu.cn best practices score

42

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

library.sut.edu.cn SEO score

58

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

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 Library.sut.edu.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 Library.sut.edu.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 Library Sut. 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: