Report Summary

  • 40

    Performance

    Renders faster than
    60% of other websites

  • 40

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

e-yj.co.kr

와이제이 사이버 평생교육원

Page Load Speed

22.6 sec in total

First Response

788 ms

Resources Loaded

20.6 sec

Page Rendered

1.2 sec

e-yj.co.kr screenshot

About Website

Welcome to e-yj.co.kr homepage info - get ready to check E Yj best content for South Korea right away, or after learning these important things about e-yj.co.kr

원격교육기관중 국내유일하게 독학사 9개학과 보유한 YJ는 학점은행+독학사로 전문대, 4년제 학사학위를 단기간에 취득 할 수 있습니다

Visit e-yj.co.kr

Key Findings

We analyzed E-yj.co.kr page load time and found that the first response time was 788 ms and then it took 21.8 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 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

e-yj.co.kr performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

4/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.52

15/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

e-yj.co.kr

788 ms

Main.do

19808 ms

user_connect_check.jsp

9569 ms

main.css

729 ms

common.js

3282 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that all of those requests were addressed to E-yj.co.kr and no external sources were called. The less responsive or slowest element that took the longest time to load (19.8 sec) belongs to the original domain E-yj.co.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 335.1 kB (52%)

Content Size

647.1 kB

After Optimization

312.0 kB

In fact, the total size of E-yj.co.kr main page is 647.1 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. Javascripts take 304.4 kB which makes up the majority of the site volume.

HTML Optimization

-23%

Potential reduce by 72 B

  • Original 320 B
  • After minification 314 B
  • After compression 248 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 72 B or 23% of the original size.

Image Optimization

-12%

Potential reduce by 32.2 kB

  • Original 274.4 kB
  • After minification 242.1 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, E Yj needs image optimization as it can save up to 32.2 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-80%

Potential reduce by 244.4 kB

  • Original 304.4 kB
  • After minification 218.8 kB
  • After compression 60.0 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 244.4 kB or 80% of the original size.

CSS Optimization

-86%

Potential reduce by 58.5 kB

  • Original 68.0 kB
  • After minification 53.4 kB
  • After compression 9.6 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. E-yj.co.kr needs all CSS files to be minified and compressed as it can save up to 58.5 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (52%)

Requests Now

27

After Optimization

13

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of E Yj. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

e-yj.co.kr accessibility score

40

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

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

e-yj.co.kr 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

e-yj.co.kr SEO score

84

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    KO

  • Language Claimed

    N/A

  • Encoding

    EUC-KR

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise E-yj.co.kr can be misinterpreted by Google and other search engines. Our service has detected that Korean 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 E-yj.co.kr main page’s claimed encoding is euc-kr. 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 E Yj. 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: