Tools & Wizards About Us
sori21.co.kr screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 70

    SEO

    Google-friendlier than
    30% of websites

sori21.co.kr

한국소리문화의전당

Page Load Speed

26.9 sec in total

First Response

817 ms

Resources Loaded

25.3 sec

Page Rendered

821 ms

sori21.co.kr screenshot

About Website

Visit sori21.co.kr now to see the best up-to-date Sori 21 content for South Korea and also check out these interesting facts you probably never knew about sori21.co.kr

한국소리문화의전당

Visit sori21.co.kr

Key Findings

We analyzed Sori21.co.kr page load time and found that the first response time was 817 ms and then it took 26.1 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.

Performance Metrics

sori21.co.kr performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.9 s

0/100

25%

SI (Speed Index)

Value20.7 s

0/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.15

76/100

15%

TTI (Time to Interactive)

Value16.1 s

6/100

10%

Network Requests Diagram

main

817 ms

common.css

677 ms

fonts.css

661 ms

main.css

907 ms

swiper.min.css

884 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 98% of them (84 requests) were addressed to the original Sori21.co.kr, 1% (1 request) were made to Vjs.zencdn.net and 1% (1 request) were made to Fonts.cdnfonts.com. The less responsive or slowest element that took the longest time to load (16.4 sec) belongs to the original domain Sori21.co.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (14%)

Content Size

11.0 MB

After Optimization

9.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sori21.co.kr main page is 11.0 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. 35% of websites need less resources to load. Images take 9.8 MB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 140.7 kB

  • Original 151.9 kB
  • After minification 80.8 kB
  • After compression 11.2 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 71.2 kB, which is 47% 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 140.7 kB or 93% of the original size.

Image Optimization

-7%

Potential reduce by 685.1 kB

  • Original 9.8 MB
  • After minification 9.1 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. Sori 21 images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 657.9 kB

  • Original 989.3 kB
  • After minification 797.1 kB
  • After compression 331.4 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 657.9 kB or 67% of the original size.

CSS Optimization

-90%

Potential reduce by 93.7 kB

  • Original 104.1 kB
  • After minification 59.3 kB
  • After compression 10.4 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. Sori21.co.kr needs all CSS files to be minified and compressed as it can save up to 93.7 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (16%)

Requests Now

77

After Optimization

65

  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sori 21. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

main

main

817 ms

common.css

common.css

677 ms

fonts.css

fonts.css

661 ms

main.css

main.css

907 ms

swiper.min.css

swiper.min.css

884 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

1365 ms

jquery.mtree.js

jquery.mtree.js

900 ms

menu.js

menu.js

910 ms

common.js

common.js

911 ms

main.js

main.js

1107 ms

swiper.js

swiper.js

2114 ms

slick.min.js

slick.min.js

1145 ms

TweenMax.js

TweenMax.js

2332 ms

video.min.js

video.min.js

23 ms

montserrat

montserrat

36 ms

logo.png

logo.png

296 ms

tiket.png

tiket.png

296 ms

login.png

login.png

294 ms

lang.png

lang.png

294 ms

familysite_bt_onb.png

familysite_bt_onb.png

296 ms

mmenu.png

mmenu.png

297 ms

mmenuclose.png

mmenuclose.png

460 ms

sns01.png

sns01.png

460 ms

sns02.png

sns02.png

462 ms

sns03.png

sns03.png

462 ms

sns04.png

sns04.png

461 ms

search-w.png

search-w.png

466 ms

allmenuclose.png

allmenuclose.png

683 ms

a19daa9acd31468fb8c79152b29c1538.jpg

a19daa9acd31468fb8c79152b29c1538.jpg

2405 ms

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1e7c257d82f24d018949a91459df4606.jpg

15563 ms

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743cac5eb65e460da6a06cafc5d212c4.jpg

14822 ms

%EA%B5%AD%EC%A0%9C%ED%9A%8C%EC%9D%98%EC%9E%A5.jpg

%EA%B5%AD%EC%A0%9C%ED%9A%8C%EC%9D%98%EC%9E%A5.jpg

940 ms

0399290ce3f54baf950843efcbd71834.jpg

0399290ce3f54baf950843efcbd71834.jpg

1958 ms

f9b3e13086704786bf9b0d316dd01737.jpg

f9b3e13086704786bf9b0d316dd01737.jpg

1174 ms

6098c123d7764fc781f4fb1ffe244366.jpg

6098c123d7764fc781f4fb1ffe244366.jpg

1429 ms

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23425977046d472a933d13e4ce604924.jpg

1654 ms

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3f0069f0544b45c380e784bcf783404a.jpg

1908 ms

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66e860eb857f47b4a1dfcae0dbd99854.jpg

2107 ms

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34756d70dc724f9986c0288fe68e6892.jpg

2371 ms

24254baf3c2d4014b0b5a247bf70b088.jpg

24254baf3c2d4014b0b5a247bf70b088.jpg

2435 ms

24_spring_th2.jpg

24_spring_th2.jpg

2340 ms

testbook.png

testbook.png

3016 ms

testbook2.jpg

testbook2.jpg

2597 ms

testbook3.jpg

testbook3.jpg

2626 ms

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170229361619308.jpg

3912 ms

170218629058766.jpg

170218629058766.jpg

4047 ms

sic01.png

sic01.png

2853 ms

sic02.png

sic02.png

3082 ms

btn_admin.png

btn_admin.png

3240 ms

popup_next.png

popup_next.png

3284 ms

popup_prev.png

popup_prev.png

3443 ms

NotoSansKR-Regular.woff

NotoSansKR-Regular.woff

7327 ms

NotoSansKR-Medium.woff

NotoSansKR-Medium.woff

7248 ms

NotoSansKR-Light.woff

NotoSansKR-Light.woff

7484 ms

NotoSansKR-Thin.woff

NotoSansKR-Thin.woff

7109 ms

NotoSansKR-Bold.woff

NotoSansKR-Bold.woff

10975 ms

NotoSansKR-Black.woff

NotoSansKR-Black.woff

11070 ms

Futura-Medium.woff

Futura-Medium.woff

7363 ms

Futura-Bold.woff

Futura-Bold.woff

7549 ms

ga_next.png

ga_next.png

7571 ms

pausebtn.png

pausebtn.png

7776 ms

playbtn.png

playbtn.png

7789 ms

ga_prev.png

ga_prev.png

7999 ms

2d958f8264da4617a6ae5681c7cb2137.jpeg

2d958f8264da4617a6ae5681c7cb2137.jpeg

14914 ms

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496fa62177954e20891ecbd4a8aa96d5.jpeg

12702 ms

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780a12610f7f4d819ec8cff94beb6afb.jpg

12764 ms

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d40766a4137a4bb28464aee88aa16012.jpg

13093 ms

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dd749e14a744498b87c4d670ffd4c147.jpg

13501 ms

dmore.png

dmore.png

12253 ms

dong_prev_gray.png

dong_prev_gray.png

12428 ms

dong_next_gray.png

dong_next_gray.png

12503 ms

sec03bg.png

sec03bg.png

16440 ms

aca_arr.png

aca_arr.png

12463 ms

sec02_03.png

sec02_03.png

13400 ms

sec02_off_03.png

sec02_off_03.png

13123 ms

sec02_02.png

sec02_02.png

14568 ms

sec02_off_02.png

sec02_off_02.png

14432 ms

sec02_01.png

sec02_01.png

14403 ms

sec02_off_01.png

sec02_off_01.png

13779 ms

sec02_04.png

sec02_04.png

14209 ms

sec02_off_04.png

sec02_off_04.png

14538 ms

footbg.png

footbg.png

14232 ms

logoW.png

logoW.png

13930 ms

loginW.png

loginW.png

13567 ms

langW.png

langW.png

13468 ms

familysite_bt_onW.png

familysite_bt_onW.png

10215 ms

Accessibility Review

sori21.co.kr accessibility score

90

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 input fields do not have accessible names

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

sori21.co.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

High

Page has valid source maps

SEO Factors

sori21.co.kr SEO score

70

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

High

Image elements do not have [alt] attributes

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 Sori21.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 Sori21.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

sori21.co.kr

Open Graph data is detected on the main page of Sori 21. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: