Tools & Wizards About Us
kalman.koreanair.com screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

kalman.koreanair.com

대한항공 홈페이지 서비스 일시 제한 안내

Page Load Speed

3.7 sec in total

First Response

423 ms

Resources Loaded

3.1 sec

Page Rendered

145 ms

kalman.koreanair.com screenshot

About Website

Welcome to kalman.koreanair.com homepage info - get ready to check Kalman Koreanair best content for South Korea right away, or after learning these important things about kalman.koreanair.com

Visit kalman.koreanair.com

Key Findings

We analyzed Kalman.koreanair.com page load time and found that the first response time was 423 ms and then it took 3.2 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

kalman.koreanair.com performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

4/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value840 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.6 s

46/100

10%

Network Requests Diagram

kalman.koreanair.com

423 ms

hidden.htm

194 ms

intro.jsp

1083 ms

content.css

580 ms

image.js

399 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that all of those requests were addressed to Kalman.koreanair.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Kalman.koreanair.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 41.2 kB (30%)

Content Size

135.8 kB

After Optimization

94.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kalman.koreanair.com main page is 135.8 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 91.7 kB which makes up the majority of the site volume.

HTML Optimization

-61%

Potential reduce by 793 B

  • Original 1.3 kB
  • After minification 783 B
  • After compression 502 B

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 512 B, which is 40% 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 793 B or 61% of the original size.

Image Optimization

-4%

Potential reduce by 3.7 kB

  • Original 91.7 kB
  • After minification 87.9 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. Kalman Koreanair images are well optimized though.

JavaScript Optimization

-83%

Potential reduce by 13.8 kB

  • Original 16.7 kB
  • After minification 11.5 kB
  • After compression 2.9 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 13.8 kB or 83% of the original size.

CSS Optimization

-88%

Potential reduce by 22.9 kB

  • Original 26.1 kB
  • After minification 21.0 kB
  • After compression 3.2 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. Kalman.koreanair.com needs all CSS files to be minified and compressed as it can save up to 22.9 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (52%)

Requests Now

23

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

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

Network Requests Diagram

kalman.koreanair.com

kalman.koreanair.com

423 ms

hidden.htm

hidden.htm

194 ms

intro.jsp

intro.jsp

1083 ms

content.css

content.css

580 ms

image.js

image.js

399 ms

StringUtil.js

StringUtil.js

375 ms

login_logo.gif

login_logo.gif

201 ms

login_m_03.gif

login_m_03.gif

196 ms

login_m_05.gif

login_m_05.gif

198 ms

login_m_06.gif

login_m_06.gif

196 ms

login_m_08.gif

login_m_08.gif

388 ms

login_m_09.gif

login_m_09.gif

389 ms

login_m_11.gif

login_m_11.gif

390 ms

login_m_12.gif

login_m_12.gif

389 ms

login_m_14.gif

login_m_14.gif

393 ms

025.jpg

025.jpg

1379 ms

login_left_top.gif

login_left_top.gif

564 ms

login_top_bg.gif

login_top_bg.gif

565 ms

login_right_top.gif

login_right_top.gif

568 ms

login_left_bg.gif

login_left_bg.gif

568 ms

login_right_bg.gif

login_right_bg.gif

569 ms

login_left_bottom.gif

login_left_bottom.gif

755 ms

login_bottom_bg.gif

login_bottom_bg.gif

755 ms

login_right_bottom.gif

login_right_bottom.gif

762 ms

Accessibility Review

kalman.koreanair.com accessibility score

98

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

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

Best Practices

kalman.koreanair.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

kalman.koreanair.com SEO score

83

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

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

    N/A

  • Language Claimed

    N/A

  • Encoding

    EUC-KR

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kalman.koreanair.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Kalman.koreanair.com main page’s claimed encoding is euc-kr. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

kalman.koreanair.com

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