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gencos.co.kr screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

gencos.co.kr

Home | GENCOS

Page Load Speed

3 sec in total

First Response

291 ms

Resources Loaded

2.7 sec

Page Rendered

61 ms

gencos.co.kr screenshot

About Website

Click here to check amazing GENCOS content. Otherwise, check out these important facts you probably never knew about gencos.co.kr

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Key Findings

We analyzed Gencos.co.kr page load time and found that the first response time was 291 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

gencos.co.kr performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

72/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value4,130 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value19.8 s

2/100

10%

Network Requests Diagram

www.gencos.co.kr

291 ms

minified.js

41 ms

focus-within-polyfill.js

73 ms

polyfill.min.js

1273 ms

thunderbolt-commons.dae61f88.bundle.min.js

53 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Gencos.co.kr, 36% (16 requests) were made to Static.parastorage.com and 29% (13 requests) were made to Sentry-next.wixpress.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Polyfill-fastly.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (49%)

Content Size

2.3 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Gencos.co.kr main page is 2.3 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. 30% of websites need less resources to load. HTML takes 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 1.0 MB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 229.4 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. 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 1.0 MB or 82% of the original size.

Image Optimization

-13%

Potential reduce by 104.1 kB

  • Original 791.9 kB
  • After minification 687.8 kB

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. Obviously, GENCOS needs image optimization as it can save up to 104.1 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 4.3 kB

  • Original 262.9 kB
  • After minification 262.9 kB
  • After compression 258.7 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.

Requests Breakdown

Number of requests can be reduced by 11 (39%)

Requests Now

28

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of GENCOS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.gencos.co.kr

www.gencos.co.kr

291 ms

minified.js

minified.js

41 ms

focus-within-polyfill.js

focus-within-polyfill.js

73 ms

polyfill.min.js

polyfill.min.js

1273 ms

thunderbolt-commons.dae61f88.bundle.min.js

thunderbolt-commons.dae61f88.bundle.min.js

53 ms

main.de20c391.bundle.min.js

main.de20c391.bundle.min.js

54 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

51 ms

lodash.min.js

lodash.min.js

58 ms

react.production.min.js

react.production.min.js

57 ms

react-dom.production.min.js

react-dom.production.min.js

57 ms

browser-deprecation.bundle.es5.js

browser-deprecation.bundle.es5.js

57 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

57 ms

%EC%A0%A0%EC%BD%94%EC%8A%A4_edited.png

%EC%A0%A0%EC%BD%94%EC%8A%A4_edited.png

241 ms

%EB%B0%B0%EA%B2%BD2.png

%EB%B0%B0%EA%B2%BD2.png

543 ms

004.png

004.png

414 ms

001_edited.png

001_edited.png

386 ms

002.png

002.png

462 ms

003.png

003.png

415 ms

ca3dbb_e695adca3228412ca8e1c6e26994a54c~mv2.jpg

ca3dbb_e695adca3228412ca8e1c6e26994a54c~mv2.jpg

508 ms

11062b_a1249d14a20546c986dfbaa31909c015f000.jpg

11062b_a1249d14a20546c986dfbaa31909c015f000.jpg

471 ms

ca3dbb_295293fae41e46ccaef4a893c57b668df000.jpg

ca3dbb_295293fae41e46ccaef4a893c57b668df000.jpg

647 ms

11062b_143f051977fb45e0beeec5a880502772f000.jpg

11062b_143f051977fb45e0beeec5a880502772f000.jpg

753 ms

11062b_8585b81392db43fd9386b680ca9a1490f000.jpg

11062b_8585b81392db43fd9386b680ca9a1490f000.jpg

594 ms

2.png

2.png

659 ms

bundle.min.js

bundle.min.js

97 ms

105 ms

100 ms

101 ms

104 ms

102 ms

101 ms

146 ms

147 ms

142 ms

142 ms

142 ms

139 ms

183 ms

deprecation-en.v5.html

deprecation-en.v5.html

7 ms

bolt-performance

bolt-performance

20 ms

deprecation-style.v5.css

deprecation-style.v5.css

5 ms

right-arrow.svg

right-arrow.svg

13 ms

WixMadeforDisplay_W_Bd.woff

WixMadeforDisplay_W_Bd.woff

14 ms

WixMadeforText_W_Bd.woff

WixMadeforText_W_Bd.woff

4 ms

WixMadeforText_W_Rg.woff

WixMadeforText_W_Rg.woff

7 ms

Accessibility Review

gencos.co.kr accessibility score

89

Accessibility Issues

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

Buttons do not have an accessible name

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

Best Practices

gencos.co.kr best practices score

92

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

Page has valid source maps

SEO Factors

gencos.co.kr SEO score

91

Search Engine Optimization Advices

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 Gencos.co.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 Gencos.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

gencos.co.kr

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