Tools & Wizards About Us

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

yonsei.or.kr

연세중앙교회

Page Load Speed

69.8 sec in total

First Response

5.4 sec

Resources Loaded

63.6 sec

Page Rendered

753 ms

About Website

Click here to check amazing Yonsei content for South Korea. Otherwise, check out these important facts you probably never knew about yonsei.or.kr

연세중앙교회는 성경말씀 중심의 교회로서 하나님을 섬기며, 성령의 역사를 통하여 주님의 명령을 수행하고자 오늘도 숨가쁘게 움직이고 있습니다.

Visit yonsei.or.kr

Key Findings

We analyzed Yonsei.or.kr page load time and found that the first response time was 5.4 sec and then it took 64.3 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 38 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

yonsei.or.kr performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value21.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value46.3 s

0/100

25%

SI (Speed Index)

Value70.2 s

0/100

10%

TBT (Total Blocking Time)

Value700 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0.524

15/100

15%

TTI (Time to Interactive)

Value82.7 s

0/100

10%

Network Requests Diagram

yonsei.or.kr

5435 ms

default.css

975 ms

font-awesome.min.css

833 ms

jquery.fancybox.css

801 ms

tooltipster.css

814 ms

Our browser made a total of 224 requests to load all elements on the main page. We found that 80% of them (180 requests) were addressed to the original Yonsei.or.kr, 4% (10 requests) were made to Static.xx.fbcdn.net and 4% (8 requests) were made to Ybstv.com. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Yonsei.or.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (16%)

Content Size

8.9 MB

After Optimization

7.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Yonsei.or.kr main page is 8.9 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. Images take 8.1 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 197.7 kB

  • Original 224.5 kB
  • After minification 185.3 kB
  • After compression 26.8 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 39.2 kB, which is 17% 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 197.7 kB or 88% of the original size.

Image Optimization

-9%

Potential reduce by 739.4 kB

  • Original 8.1 MB
  • After minification 7.3 MB

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. Yonsei images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 220.2 kB

  • Original 341.8 kB
  • After minification 305.2 kB
  • After compression 121.6 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 220.2 kB or 64% of the original size.

CSS Optimization

-84%

Potential reduce by 240.2 kB

  • Original 287.4 kB
  • After minification 258.9 kB
  • After compression 47.2 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. Yonsei.or.kr needs all CSS files to be minified and compressed as it can save up to 240.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (21%)

Requests Now

181

After Optimization

143

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 181 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yonsei. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

yonsei.or.kr accessibility score

76

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

High

Links do not have a discernible 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

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

yonsei.or.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

yonsei.or.kr SEO score

88

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

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

    KO

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Yonsei.or.kr can be misinterpreted by Google and other search engines. Our service has detected that Korean is used on the page, and it matches the claimed language. Our system also found out that Yonsei.or.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 Yonsei. 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: