Tools & Wizards About Us
summer.yonsei.ac.kr screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

summer.yonsei.ac.kr

:: :: Yonsei International Summer School, Seoul, Korea – Yonsei University :: ::

Page Load Speed

20.7 sec in total

First Response

3.4 sec

Resources Loaded

16.9 sec

Page Rendered

477 ms

summer.yonsei.ac.kr screenshot

About Website

Click here to check amazing Summer Yonsei Ac content. Otherwise, check out these important facts you probably never knew about summer.yonsei.ac.kr

:: :: Yonsei International Summer School, Seoul, Korea – Yonsei University :: ::

Visit summer.yonsei.ac.kr

Key Findings

We analyzed Summer.yonsei.ac.kr page load time and found that the first response time was 3.4 sec and then it took 17.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

summer.yonsei.ac.kr performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.1 s

0/100

25%

SI (Speed Index)

Value17.1 s

0/100

10%

TBT (Total Blocking Time)

Value1,350 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.171

70/100

15%

TTI (Time to Interactive)

Value28.1 s

0/100

10%

Network Requests Diagram

summer.yonsei.ac.kr

3362 ms

summer.yonsei.ac.kr

790 ms

index.do

192 ms

index.do

403 ms

cms.css

377 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 83% of them (63 requests) were addressed to the original Summer.yonsei.ac.kr, 8% (6 requests) were made to Youtube.com and 3% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (8.5 sec) belongs to the original domain Summer.yonsei.ac.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 52.1 kB (20%)

Content Size

259.1 kB

After Optimization

206.9 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Summer.yonsei.ac.kr main page is 259.1 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 142.8 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 49.8 kB

  • Original 56.4 kB
  • After minification 33.3 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 23.1 kB, which is 41% 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 49.8 kB or 88% of the original size.

JavaScript Optimization

-2%

Potential reduce by 2.4 kB

  • Original 142.8 kB
  • After minification 142.8 kB
  • After compression 140.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 59.8 kB
  • After minification 59.8 kB
  • After compression 59.8 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. Summer.yonsei.ac.kr has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 28 (44%)

Requests Now

64

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Summer Yonsei Ac. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

summer.yonsei.ac.kr

summer.yonsei.ac.kr

3362 ms

summer.yonsei.ac.kr

summer.yonsei.ac.kr

790 ms

index.do

index.do

192 ms

index.do

index.do

403 ms

cms.css

cms.css

377 ms

owl.css

owl.css

759 ms

m_mn.css

m_mn.css

780 ms

user.css

user.css

1175 ms

jquery-1.9.1.js

jquery-1.9.1.js

1002 ms

jquery-ui-1.11.4.min.js

jquery-ui-1.11.4.min.js

1594 ms

owl.js

owl.js

1024 ms

cms.js

cms.js

1140 ms

main_effect.js

main_effect.js

970 ms

m_mn.js

m_mn.js

1161 ms

user.js

user.js

1196 ms

dropkick.css

dropkick.css

851 ms

froala_style.min.css

froala_style.min.css

957 ms

font.css

font.css

192 ms

NotoSansKR-Regular.woff

NotoSansKR-Regular.woff

3455 ms

NotoSansKR-Medium.woff

NotoSansKR-Medium.woff

3742 ms

NotoSansKR-Light.woff

NotoSansKR-Light.woff

3488 ms

NotoSansKR-Bold.woff

NotoSansKR-Bold.woff

3995 ms

control.js

control.js

205 ms

gtm.js

gtm.js

180 ms

16LFnK3Cns8

16LFnK3Cns8

205 ms

Blue_Minimalist_Hello_Summer_Instagram_Post__(5).png

Blue_Minimalist_Hello_Summer_Instagram_Post__(5).png

1019 ms

popup_close_1.gif

popup_close_1.gif

380 ms

popup_close.gif

popup_close.gif

395 ms

logo.png

logo.png

585 ms

icon-form-02.png

icon-form-02.png

775 ms

btn_m_menu_close.png

btn_m_menu_close.png

966 ms

icon-main-prev.png

icon-main-prev.png

1157 ms

icon-main-next.png

icon-main-next.png

1220 ms

thumb_vNoNMLdHZPhhKaULZzJk.png

thumb_vNoNMLdHZPhhKaULZzJk.png

2116 ms

thumb_uptKotliUUqewmZzHcyV.jpg

thumb_uptKotliUUqewmZzHcyV.jpg

1422 ms

thumb_lWbQfltuRtqKhNMZNudQ.jpg

thumb_lWbQfltuRtqKhNMZNudQ.jpg

1826 ms

thumb_QcoKbYyVFazbXHbEnUHr.png

thumb_QcoKbYyVFazbXHbEnUHr.png

5053 ms

thumb_eQRtINRtWRNZTuvJfCDf.png

thumb_eQRtINRtWRNZTuvJfCDf.png

4203 ms

thumb_YRrxYJlqSSxjAMSFftnM.png

thumb_YRrxYJlqSSxjAMSFftnM.png

4422 ms

icon-videoplay.png

icon-videoplay.png

2520 ms

thumb_cpqsfyrFaYPYqHhtABPp.jpg

thumb_cpqsfyrFaYPYqHhtABPp.jpg

2712 ms

logo-sns-insta.png

logo-sns-insta.png

2801 ms

logo-sns-youtube.png

logo-sns-youtube.png

2905 ms

icon-prev.png

icon-prev.png

2996 ms

icon-pause.png

icon-pause.png

3055 ms

icon-next.png

icon-next.png

3094 ms

img-quick-bg-path02.png

img-quick-bg-path02.png

3191 ms

icon-quick-arrow-wh.png

icon-quick-arrow-wh.png

3250 ms

img-quick-bg01.png

img-quick-bg01.png

3285 ms

img-quick-bg03.png

img-quick-bg03.png

3388 ms

icon-quick01.png

icon-quick01.png

3446 ms

icon-quick-arrow.png

icon-quick-arrow.png

3476 ms

icon-quick02.png

icon-quick02.png

3582 ms

icon-quick03a.png

icon-quick03a.png

3642 ms

icon-quick04.png

icon-quick04.png

3666 ms

icon-quick05a.png

icon-quick05a.png

3777 ms

icon-quick07-02.png

icon-quick07-02.png

3838 ms

www-player.css

www-player.css

7 ms

www-embed-player.js

www-embed-player.js

23 ms

base.js

base.js

49 ms

ad_status.js

ad_status.js

139 ms

embed.js

embed.js

27 ms

icon-quick06.png

icon-quick06.png

3482 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

27 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

32 ms

logo-footer02.png

logo-footer02.png

3582 ms

id

id

25 ms

Create

Create

18 ms

GenerateIT

GenerateIT

13 ms

popup_close_1_en.png

popup_close_1_en.png

3454 ms

popup_close_en.png

popup_close_en.png

3275 ms

main-vi01.png

main-vi01.png

8492 ms

main-vi02.png

main-vi02.png

7740 ms

main-vi03.png

main-vi03.png

8430 ms

WAYfocus.png

WAYfocus.png

5089 ms

log_event

log_event

15 ms

Accessibility Review

summer.yonsei.ac.kr accessibility score

72

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

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

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

summer.yonsei.ac.kr best practices score

58

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

summer.yonsei.ac.kr SEO score

84

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

Links do not have descriptive text

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

summer.yonsei.ac.kr

Open Graph description is not detected on the main page of Summer Yonsei 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: