Tools & Wizards About Us
cs.kaist.ac.kr screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

cs.kaist.ac.kr

KAIST School of Computing, 카이스트 전산학부 - 컴퓨터공학과 컴퓨터과학(Computer Science & Engineering)을 교육하고 연구하는 국내 최대 규모의 전산학부

Page Load Speed

7.9 sec in total

First Response

804 ms

Resources Loaded

6.8 sec

Page Rendered

319 ms

cs.kaist.ac.kr screenshot

About Website

Visit cs.kaist.ac.kr now to see the best up-to-date Cs KAIST Ac content and also check out these interesting facts you probably never knew about cs.kaist.ac.kr

KAIST School of Computing, 카이스트 전산학부 - 컴퓨터공학과 컴퓨터과학(Computer Science & Engineering)을 교육하고 연구하는 국내 최대 규모의 전산학부

Visit cs.kaist.ac.kr

Key Findings

We analyzed Cs.kaist.ac.kr page load time and found that the first response time was 804 ms and then it took 7.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

cs.kaist.ac.kr performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.2 s

0/100

25%

SI (Speed Index)

Value18.0 s

0/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.045

99/100

15%

TTI (Time to Interactive)

Value21.2 s

1/100

10%

Network Requests Diagram

cs.kaist.ac.kr

804 ms

cs.kaist.ac.kr

1432 ms

basic.css

563 ms

mobile.css

568 ms

style.css

955 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 94% of them (62 requests) were addressed to the original Cs.kaist.ac.kr, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Fonts.cdnfonts.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Cs.kaist.ac.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (37%)

Content Size

3.9 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cs.kaist.ac.kr main page is 3.9 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. 40% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 113.4 kB

  • Original 131.7 kB
  • After minification 104.8 kB
  • After compression 18.4 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 27.0 kB, which is 20% 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 113.4 kB or 86% of the original size.

Image Optimization

-8%

Potential reduce by 179.7 kB

  • Original 2.3 MB
  • After minification 2.1 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. Cs KAIST Ac images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 928.1 kB

  • Original 1.2 MB
  • After minification 1.0 MB
  • After compression 296.8 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 928.1 kB or 76% of the original size.

CSS Optimization

-83%

Potential reduce by 215.3 kB

  • Original 258.0 kB
  • After minification 226.8 kB
  • After compression 42.7 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. Cs.kaist.ac.kr needs all CSS files to be minified and compressed as it can save up to 215.3 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (31%)

Requests Now

64

After Optimization

44

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cs KAIST 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 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cs.kaist.ac.kr

cs.kaist.ac.kr

804 ms

cs.kaist.ac.kr

cs.kaist.ac.kr

1432 ms

basic.css

basic.css

563 ms

mobile.css

mobile.css

568 ms

style.css

style.css

955 ms

custom.css

custom.css

772 ms

jquery.timepicker.css

jquery.timepicker.css

590 ms

jquery-ui-1.10.4.custom.min.css

jquery-ui-1.10.4.custom.min.css

614 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

1077 ms

jquery-ui.min.css

jquery-ui.min.css

762 ms

jquery-ui.css

jquery-ui.css

790 ms

jquery-ui.min.js

jquery-ui.min.js

1725 ms

jquery-ui.js

jquery-ui.js

2549 ms

custom.js

custom.js

1055 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

1441 ms

jquery.timepicker.js

jquery.timepicker.js

1258 ms

jquery-ui-1.10.4.custom.min.js

jquery-ui-1.10.4.custom.min.js

2001 ms

script.js

script.js

1408 ms

message.js

message.js

1568 ms

common.js

common.js

1666 ms

jquery-migrate-1.2.1.js

jquery-migrate-1.2.1.js

1335 ms

microsoft-sans-serif

microsoft-sans-serif

30 ms

logo_top.png

logo_top.png

192 ms

lang_ko.gif

lang_ko.gif

192 ms

img_headNoti_search.gif

img_headNoti_search.gif

190 ms

img_headNoti_login.gif

img_headNoti_login.gif

193 ms

bg_gnb.gif

bg_gnb.gif

210 ms

btn_menu.gif

btn_menu.gif

211 ms

h1_logo_m.gif

h1_logo_m.gif

369 ms

img_headNoti_ko_m.png

img_headNoti_ko_m.png

377 ms

img_headNoti_search_m.gif

img_headNoti_search_m.gif

381 ms

img_headNoti_login_m.gif

img_headNoti_login_m.gif

381 ms

btn_menu_on.gif

btn_menu_on.gif

394 ms

h1_logo_m_on.gif

h1_logo_m_on.gif

412 ms

main_bg_pattern.jpg

main_bg_pattern.jpg

548 ms

20141003_542e2188a606d.jpg

20141003_542e2188a606d.jpg

754 ms

main_title.png

main_title.png

563 ms

66fa3fbe30022_main.jpg

66fa3fbe30022_main.jpg

955 ms

bg_tag.png

bg_tag.png

580 ms

66f8f196d90dc_main.jpg

66f8f196d90dc_main.jpg

815 ms

66f61621e6ca1_main.png

66f61621e6ca1_main.png

1124 ms

66e24bb980654_main.jpeg

66e24bb980654_main.jpeg

756 ms

66d911397065e.png

66d911397065e.png

1384 ms

66d90ba3b071a_main.png

66d90ba3b071a_main.png

1139 ms

66d90a5ec3cff_main.jpeg

66d90a5ec3cff_main.jpeg

951 ms

66fa5750b09d8_main.jpg

66fa5750b09d8_main.jpg

1229 ms

66d907ea148f6_main.jpg

66d907ea148f6_main.jpg

1539 ms

66d121f903a9f.jpg

66d121f903a9f.jpg

1149 ms

66c5a8c1225fe_main.png

66c5a8c1225fe_main.png

1511 ms

66b06e798e8c4_main.jpg

66b06e798e8c4_main.jpg

1713 ms

66bb181f7cbee_main.jpg

66bb181f7cbee_main.jpg

1544 ms

66bb174d302aa.png

66bb174d302aa.png

1644 ms

66bb0afc3cd3f.jpg

66bb0afc3cd3f.jpg

1585 ms

665866fb893c8_main.jpg

665866fb893c8_main.jpg

1894 ms

663c338841038_main.jpg

663c338841038_main.jpg

1924 ms

6632e243849c8_main.jpg

6632e243849c8_main.jpg

2313 ms

662f44af55958_main.gif

662f44af55958_main.gif

1985 ms

660e087bb061f_main.png

660e087bb061f_main.png

2259 ms

analytics.js

analytics.js

42 ms

collect

collect

13 ms

js

js

63 ms

bar.gif

bar.gif

1738 ms

btn_fb.png

btn_fb.png

1907 ms

btn_tw.png

btn_tw.png

1917 ms

btn_gp.png

btn_gp.png

1941 ms

ui-icons_444444_256x240.png

ui-icons_444444_256x240.png

1987 ms

Accessibility Review

cs.kaist.ac.kr accessibility score

80

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.

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

Links do not have a discernible name

Best Practices

cs.kaist.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

cs.kaist.ac.kr SEO score

89

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

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

    KO

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cs.kaist.ac.kr can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Korean language. Our system also found out that Cs.kaist.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

cs.kaist.ac.kr

Open Graph data is detected on the main page of Cs KAIST Ac. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: