Tools & Wizards About Us
jtbc.co.kr screenshot

Report Summary

  • 2

    Performance

    Renders faster than
    20% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

jtbc.co.kr

다채로운 즐거움 | JTBC

Page Load Speed

18.7 sec in total

First Response

559 ms

Resources Loaded

17.7 sec

Page Rendered

439 ms

jtbc.co.kr screenshot

About Website

Click here to check amazing JTBC content for South Korea. Otherwise, check out these important facts you probably never knew about jtbc.co.kr

JTBC, JTBC뉴스, JTBC드라마, 사건반장, 뉴스룸,JTBC온에어, JTBC다시보기, 온에어무료

Visit jtbc.co.kr

Key Findings

We analyzed Jtbc.co.kr page load time and found that the first response time was 559 ms and then it took 18.1 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

jtbc.co.kr performance score

2

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value15.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value39.2 s

0/100

25%

SI (Speed Index)

Value28.6 s

0/100

10%

TBT (Total Blocking Time)

Value2,110 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value1.07

2/100

15%

TTI (Time to Interactive)

Value41.4 s

0/100

10%

Network Requests Diagram

jtbc.co.kr

559 ms

jtbc.co.kr

2344 ms

reset.css

1280 ms

common.css

1843 ms

comment.css

1498 ms

Our browser made a total of 222 requests to load all elements on the main page. We found that 1% of them (2 requests) were addressed to the original Jtbc.co.kr, 27% (60 requests) were made to Nstatic.jtbc.co.kr and 23% (50 requests) were made to Fs.jtbc.co.kr. The less responsive or slowest element that took the longest time to load (6.2 sec) relates to the external source Mlink-cdn.netinsight.co.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.4 MB (32%)

Content Size

7.3 MB

After Optimization

4.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jtbc.co.kr main page is 7.3 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. Only a small number of websites need less resources to load. Images take 4.5 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 179.8 kB

  • Original 202.8 kB
  • After minification 132.1 kB
  • After compression 23.0 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 70.8 kB, which is 35% 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 179.8 kB or 89% of the original size.

Image Optimization

-7%

Potential reduce by 329.8 kB

  • Original 4.5 MB
  • After minification 4.2 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. JTBC images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 1.5 MB

  • Original 2.2 MB
  • After minification 2.1 MB
  • After compression 703.6 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 1.5 MB or 68% of the original size.

CSS Optimization

-84%

Potential reduce by 336.8 kB

  • Original 399.5 kB
  • After minification 368.4 kB
  • After compression 62.7 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. Jtbc.co.kr needs all CSS files to be minified and compressed as it can save up to 336.8 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 83 (42%)

Requests Now

199

After Optimization

116

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 199 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JTBC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 49 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jtbc.co.kr

jtbc.co.kr

559 ms

jtbc.co.kr

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2344 ms

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aframe

aframe

911 ms

icon.png

icon.png

290 ms

i.match

i.match

1039 ms

asr

asr

1770 ms

wJiNEMIFAPB28UFvxM_UYtYFK_ILnv1_rxRzUTsn-Pg.js

wJiNEMIFAPB28UFvxM_UYtYFK_ILnv1_rxRzUTsn-Pg.js

315 ms

container.html

container.html

399 ms

activeview

activeview

642 ms

8c927ae55f7ea4b10e6902b5bd363ad5.js

8c927ae55f7ea4b10e6902b5bd363ad5.js

642 ms

21ec13d5ce36ffe35a16b14abe035176.js

21ec13d5ce36ffe35a16b14abe035176.js

862 ms

activeview

activeview

529 ms

i.match

i.match

469 ms

pixel

pixel

242 ms

icon.png

icon.png

232 ms

pixel

pixel

198 ms

pixel

pixel

197 ms

iframe_c_num.php

iframe_c_num.php

1379 ms

pixel

pixel

102 ms

r.gif

r.gif

87 ms

usersync.aspx

usersync.aspx

115 ms

190 ms

css

css

60 ms

pixel

pixel

24 ms

pixel

pixel

23 ms

pixel

pixel

38 ms

pixel

pixel

29 ms

pixel

pixel

23 ms

pixel

pixel

26 ms

pixel

pixel

14 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

18 ms

pixel

pixel

278 ms

pixel

pixel

14 ms

activeview

activeview

246 ms

241 ms

pixel

pixel

238 ms

pixel

pixel

14 ms

pixel

pixel

15 ms

spacer.gif

spacer.gif

571 ms

index.php

index.php

996 ms

pixel

pixel

14 ms

spacer.gif

spacer.gif

134 ms

jquery.min.js

jquery.min.js

2099 ms

jquery.marquee.min.js

jquery.marquee.min.js

1380 ms

140x30_b.png

140x30_b.png

195 ms

15x15.png

15x15.png

388 ms

Accessibility Review

jtbc.co.kr accessibility score

79

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 progressbar elements do not have accessible names.

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

<frame> or <iframe> elements do not have a title

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

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

jtbc.co.kr best practices score

83

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

Page has valid source maps

SEO Factors

jtbc.co.kr SEO score

81

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 Jtbc.co.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 Jtbc.co.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

jtbc.co.kr

Open Graph description is not detected on the main page of JTBC. 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: