Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

kes.co.kr

케이이에스 KC인증, CE인증, FCC인증, KC마크, UL인증, 해외인증, 해외규격, 규격인증, 기술시험, 의료기기, 무선인증, KC마크, KCC, 전자파인증, EMC인증, 의료기기,FCC,EMC,EMI,EMS,CCC

Page Load Speed

3.5 sec in total

First Response

704 ms

Resources Loaded

2.6 sec

Page Rendered

214 ms

kes.co.kr screenshot

About Website

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

케이이에스 KC인증, CE인증, FCC인증, KC마크, UL인증, 해외인증, 해외규격, 규격인증, 기술시험, 의료기기, 무선인증, KC마크, KCC, 전자파인증, EMC인증, 의료기기,FCC,EMC,EMI,EMS,CCC

Visit kes.co.kr

Key Findings

We analyzed Kes.co.kr page load time and found that the first response time was 704 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

kes.co.kr performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value220 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.437

21/100

15%

TTI (Time to Interactive)

Value3.6 s

91/100

10%

Network Requests Diagram

kes.co.kr

704 ms

layout.css

205 ms

gnb.css

399 ms

content.css

401 ms

rcc-p.css

404 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that all of those requests were addressed to Kes.co.kr and no external sources were called. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Kes.co.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 478.1 kB (50%)

Content Size

960.3 kB

After Optimization

482.2 kB

In fact, the total size of Kes.co.kr main page is 960.3 kB. 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. Javascripts take 419.7 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 54.0 kB

  • Original 61.1 kB
  • After minification 61.0 kB
  • After compression 7.1 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 54.0 kB or 88% of the original size.

Image Optimization

-2%

Potential reduce by 8.2 kB

  • Original 350.2 kB
  • After minification 342.1 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. Kes images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 308.5 kB

  • Original 419.7 kB
  • After minification 387.0 kB
  • After compression 111.2 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 308.5 kB or 74% of the original size.

CSS Optimization

-83%

Potential reduce by 107.4 kB

  • Original 129.3 kB
  • After minification 110.2 kB
  • After compression 21.9 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. Kes.co.kr needs all CSS files to be minified and compressed as it can save up to 107.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (43%)

Requests Now

28

After Optimization

16

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kes. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kes.co.kr accessibility score

52

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

Form elements do not have associated labels

High

Links do not have a discernible name

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

kes.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

SEO Factors

kes.co.kr SEO score

84

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

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

    KO

  • Language Claimed

    KO

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kes.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 Kes.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

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