Tools & Wizards About Us
duocheck.co.kr screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

duocheck.co.kr

main - 수성밸브공업(주)

Page Load Speed

7.2 sec in total

First Response

1.4 sec

Resources Loaded

4.7 sec

Page Rendered

1.1 sec

duocheck.co.kr screenshot

About Website

Visit duocheck.co.kr now to see the best up-to-date Duocheck content and also check out these interesting facts you probably never knew about duocheck.co.kr

Visit duocheck.co.kr

Key Findings

We analyzed Duocheck.co.kr page load time and found that the first response time was 1.4 sec and then it took 5.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

duocheck.co.kr performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value31.4 s

0/100

25%

SI (Speed Index)

Value9.3 s

13/100

10%

TBT (Total Blocking Time)

Value410 ms

66/100

30%

CLS (Cumulative Layout Shift)

Value0.033

100/100

15%

TTI (Time to Interactive)

Value9.0 s

34/100

10%

Network Requests Diagram

duocheck.co.kr

1353 ms

wp-emoji-release.min.js

368 ms

style.min.css

573 ms

classic-themes.min.css

388 ms

styles.css

393 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 86% of them (68 requests) were addressed to the original Duocheck.co.kr, 11% (9 requests) were made to Cdn.jsdelivr.net and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Duocheck.co.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 170.8 kB (3%)

Content Size

5.9 MB

After Optimization

5.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Duocheck.co.kr main page is 5.9 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. Only a small number of websites need less resources to load. Images take 5.4 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 132.3 kB

  • Original 158.1 kB
  • After minification 155.1 kB
  • After compression 25.8 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 132.3 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 3.8 kB

  • Original 5.4 MB
  • After minification 5.4 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. Duocheck images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 27.8 kB

  • Original 268.4 kB
  • After minification 268.4 kB
  • After compression 240.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-5%

Potential reduce by 6.9 kB

  • Original 142.5 kB
  • After minification 142.4 kB
  • After compression 135.6 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. Duocheck.co.kr has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 47 (69%)

Requests Now

68

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duocheck. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 23 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

duocheck.co.kr

duocheck.co.kr

1353 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

368 ms

style.min.css

style.min.css

573 ms

classic-themes.min.css

classic-themes.min.css

388 ms

styles.css

styles.css

393 ms

styles.css

styles.css

402 ms

nectar-slider.css

nectar-slider.css

413 ms

style.min.css

style.min.css

565 ms

style.min.css

style.min.css

580 ms

font-awesome-legacy.min.css

font-awesome-legacy.min.css

589 ms

grid-system.css

grid-system.css

603 ms

style.css

style.css

826 ms

element-fancy-box.css

element-fancy-box.css

762 ms

element-wpb-column-border.css

element-wpb-column-border.css

763 ms

css

css

29 ms

responsive.css

responsive.css

773 ms

flickity.css

flickity.css

786 ms

skin-material.css

skin-material.css

804 ms

js_composer.min.css

js_composer.min.css

960 ms

salient-dynamic-styles.css

salient-dynamic-styles.css

954 ms

editor_media.css

editor_media.css

797 ms

jquery.min.js

jquery.min.js

1010 ms

jquery-migrate.min.js

jquery-migrate.min.js

836 ms

language-cookie.js

language-cookie.js

863 ms

style-non-critical.css

style-non-critical.css

976 ms

jquery.fancybox.css

jquery.fancybox.css

986 ms

core.css

core.css

989 ms

slide-out-right-hover.css

slide-out-right-hover.css

1048 ms

index.js

index.js

1193 ms

index.js

index.js

1193 ms

anime.min.js

anime.min.js

1194 ms

nectar-slider.js

nectar-slider.js

1376 ms

jquery.easing.min.js

jquery.easing.min.js

1259 ms

jquery.mousewheel.min.js

jquery.mousewheel.min.js

1258 ms

priority.js

priority.js

1274 ms

nectar-slider-priority.js

nectar-slider-priority.js

1357 ms

transit.min.js

transit.min.js

1381 ms

postcode.v2.js

postcode.v2.js

140 ms

waypoints.js

waypoints.js

1400 ms

imagesLoaded.min.js

imagesLoaded.min.js

1242 ms

hoverintent.min.js

hoverintent.min.js

1318 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

1338 ms

flickity.min.js

flickity.min.js

1489 ms

stickkit.js

stickkit.js

1477 ms

superfish.js

superfish.js

1328 ms

init.js

init.js

1648 ms

touchswipe.min.js

touchswipe.min.js

1332 ms

script.js

script.js

1324 ms

js_composer_front.min.js

js_composer_front.min.js

1337 ms

parallax.js

parallax.js

1189 ms

top_logo.png

top_logo.png

776 ms

w_logo.png

w_logo.png

925 ms

ko.svg

ko.svg

915 ms

en.svg

en.svg

940 ms

main_logo-1.jpg

main_logo-1.jpg

956 ms

m_sdv.jpg

m_sdv.jpg

1168 ms

mpo02.jpg

mpo02.jpg

1296 ms

mpo03.jpg

mpo03.jpg

1338 ms

mpo04.jpg

mpo04.jpg

1326 ms

mpo05.jpg

mpo05.jpg

1350 ms

mpo06.jpg

mpo06.jpg

1419 ms

mpo07.jpg

mpo07.jpg

1366 ms

f_logo.png

f_logo.png

1488 ms

main01.jpg

main01.jpg

2271 ms

grid.png

grid.png

1373 ms

main03.jpg

main03.jpg

2173 ms

main02.jpg

main02.jpg

2180 ms

duocheck.co.kr

duocheck.co.kr

1653 ms

main_linkArea_arrow_red.png

main_linkArea_arrow_red.png

1441 ms

Pretendard-Regular.woff

Pretendard-Regular.woff

194 ms

Pretendard-Medium.woff

Pretendard-Medium.woff

273 ms

Pretendard-Light.woff

Pretendard-Light.woff

293 ms

Pretendard-ExtraLight.woff

Pretendard-ExtraLight.woff

765 ms

Pretendard-Thin.woff

Pretendard-Thin.woff

297 ms

Pretendard-SemiBold.woff

Pretendard-SemiBold.woff

294 ms

Pretendard-Bold.woff

Pretendard-Bold.woff

296 ms

Pretendard-ExtraBold.woff

Pretendard-ExtraBold.woff

296 ms

Pretendard-Black.woff

Pretendard-Black.woff

302 ms

icomoon.woff

icomoon.woff

1510 ms

Accessibility Review

duocheck.co.kr accessibility score

84

Accessibility Issues

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

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

duocheck.co.kr best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

duocheck.co.kr SEO score

79

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

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 Duocheck.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 Duocheck.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

duocheck.co.kr

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