Report Summary

  • 39

    Performance

    Renders faster than
    59% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

Page Load Speed

44.3 sec in total

First Response

1.6 sec

Resources Loaded

42.4 sec

Page Rendered

282 ms

english.pusan.ac.kr screenshot

About Website

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Key Findings

We analyzed English.pusan.ac.kr page load time and found that the first response time was 1.6 sec and then it took 42.7 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 were 41 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

english.pusan.ac.kr performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value17.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value20.9 s

0/100

25%

SI (Speed Index)

Value24.9 s

0/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.054

98/100

15%

TTI (Time to Interactive)

Value23.0 s

1/100

10%

Network Requests Diagram

english.pusan.ac.kr

1611 ms

default.asp

532 ms

base.css

413 ms

skip.css

425 ms

header.css

457 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that all of those requests were addressed to English.pusan.ac.kr and no external sources were called. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain English.pusan.ac.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 25.4 kB (81%)

Content Size

31.4 kB

After Optimization

5.9 kB

In fact, the total size of English.pusan.ac.kr main page is 31.4 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. HTML takes 26.7 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 22.4 kB

  • Original 26.7 kB
  • After minification 19.1 kB
  • After compression 4.3 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 7.5 kB, which is 28% 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 22.4 kB or 84% of the original size.

CSS Optimization

-66%

Potential reduce by 3.1 kB

  • Original 4.7 kB
  • After minification 3.7 kB
  • After compression 1.6 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. English.pusan.ac.kr needs all CSS files to be minified and compressed as it can save up to 3.1 kB or 66% of the original size.

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 English Pusan Ac. According to our analytics all requests are already optimized.

Accessibility Review

english.pusan.ac.kr accessibility score

79

Accessibility Issues

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

Buttons do not have an accessible name

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

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

english.pusan.ac.kr best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

english.pusan.ac.kr SEO score

82

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise English.pusan.ac.kr can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that English.pusan.ac.kr 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

Open Graph description is not detected on the main page of English Pusan Ac. 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: