Tools & Wizards About Us
korean-air.biz screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

korean-air.biz

Korean Air - Văn Phòng Đại Diện Hãng Hàng Không Korean Airlines

Page Load Speed

25.8 sec in total

First Response

844 ms

Resources Loaded

24.3 sec

Page Rendered

607 ms

korean-air.biz screenshot

About Website

Welcome to korean-air.biz homepage info - get ready to check Korean Air best content for Vietnam right away, or after learning these important things about korean-air.biz

Văn phòng Korean Air Việt Nam tại TPHCM ☎ 02839251759 - 02839256479 ✔️Hoàn đổi vé ☀️ Đặt vé máy bay đi Mỹ, Canada, Hàn Quốc giá rẻ

Visit korean-air.biz

Key Findings

We analyzed Korean-air.biz page load time and found that the first response time was 844 ms and then it took 24.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

korean-air.biz performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.3 s

73/100

10%

Network Requests Diagram

korean-air.biz

844 ms

korean-air.biz

1471 ms

js

82 ms

analytics.js

27 ms

embed.js

941 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 61% of them (53 requests) were addressed to the original Korean-air.biz, 9% (8 requests) were made to Embed.tawk.to and 7% (6 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (20.1 sec) relates to the external source Koreanair.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 817.2 kB (35%)

Content Size

2.4 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Korean-air.biz main page is 2.4 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. 60% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 173.9 kB

  • Original 211.2 kB
  • After minification 178.0 kB
  • After compression 37.2 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 33.2 kB, which is 16% 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 173.9 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 34.6 kB

  • Original 825.8 kB
  • After minification 791.2 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. Korean Air images are well optimized though.

JavaScript Optimization

-34%

Potential reduce by 343.1 kB

  • Original 1.0 MB
  • After minification 1.0 MB
  • After compression 658.0 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 343.1 kB or 34% of the original size.

CSS Optimization

-81%

Potential reduce by 265.6 kB

  • Original 329.2 kB
  • After minification 318.3 kB
  • After compression 63.6 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. Korean-air.biz needs all CSS files to be minified and compressed as it can save up to 265.6 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (40%)

Requests Now

77

After Optimization

46

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Korean Air. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

korean-air.biz

korean-air.biz

844 ms

korean-air.biz

korean-air.biz

1471 ms

js

js

82 ms

analytics.js

analytics.js

27 ms

embed.js

embed.js

941 ms

js

js

68 ms

jquery211.js

jquery211.js

562 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

1051 ms

style_new.css

style_new.css

1612 ms

jquery-ui.min.js

jquery-ui.min.js

36 ms

jquery.datepicker.lunar.js

jquery.datepicker.lunar.js

1320 ms

formdatve.js

formdatve.js

1334 ms

jquery-ui.css

jquery-ui.css

38 ms

settings.css

settings.css

838 ms

jquery.themepunch.tools.min.js

jquery.themepunch.tools.min.js

1693 ms

jquery.themepunch.revolution.min.js

jquery.themepunch.revolution.min.js

1413 ms

DMCABadgeHelper.min.js

DMCABadgeHelper.min.js

41 ms

bootstrap.min.css

bootstrap.min.css

1738 ms

font-awesome.min.css

font-awesome.min.css

1114 ms

jquery.validate.min.js

jquery.validate.min.js

1308 ms

bootstrap.min.js

bootstrap.min.js

1393 ms

dmca_protected_sml_120aj.png

dmca_protected_sml_120aj.png

25 ms

korean_air-904.png

korean_air-904.png

525 ms

korean_air_white-850.png

korean_air_white-850.png

630 ms

1280-kuldsod-433.jpg

1280-kuldsod-433.jpg

1242 ms

boston1_1280-731.jpg

boston1_1280-731.jpg

1391 ms

1280-flexiroamia-841.jpg

1280-flexiroamia-841.jpg

1133 ms

ve-may-bay-di-barcelona-gia-re-939_thumb_220x255.jpg

ve-may-bay-di-barcelona-gia-re-939_thumb_220x255.jpg

986 ms

ve-may-bay-korean-air-di-san-francisco-gia-re-423_thumb_220x255.jpg

ve-may-bay-korean-air-di-san-francisco-gia-re-423_thumb_220x255.jpg

985 ms

vmbmke-364_thumb_220x255.jpg

vmbmke-364_thumb_220x255.jpg

985 ms

vmbkaok-933_thumb_220x255.jpg

vmbkaok-933_thumb_220x255.jpg

1266 ms

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w3110-661_thumb_220x255.jpg

1275 ms

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w2710-912_thumb_220x255.jpg

1270 ms

W1210-383_thumb_220x255.jpg

W1210-383_thumb_220x255.jpg

1401 ms

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w0810-883_thumb_220x255.jpg

1525 ms

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w0610-842_thumb_220x255.jpg

1544 ms

w0310-974_thumb_220x255.jpg

w0310-974_thumb_220x255.jpg

1553 ms

Korean-airlines-viet-nam.jpg

Korean-airlines-viet-nam.jpg

1576 ms

Korean%20Air%20(4).jpg

Korean%20Air%20(4).jpg

1912 ms

Korean%20Air.jpg

Korean%20Air.jpg

1669 ms

Uu-dai-gia-ve-may-bay-di-Vancouver-khu-hoi-tu-Ha-Noi%20(4)-569_thumb_127x78.jpg

Uu-dai-gia-ve-may-bay-di-Vancouver-khu-hoi-tu-Ha-Noi%20(4)-569_thumb_127x78.jpg

1807 ms

Uu-dai-gia-ve-may-bay-di-Toronto-khu-hoi-tu-Ha-Noi%20(4)-945_thumb_127x78.jpg

Uu-dai-gia-ve-may-bay-di-Toronto-khu-hoi-tu-Ha-Noi%20(4)-945_thumb_127x78.jpg

1820 ms

Uu-dai-gia-ve-may-bay-di-San-Francisco-khu-hoi-886_thumb_127x78.jpg

Uu-dai-gia-ve-may-bay-di-San-Francisco-khu-hoi-886_thumb_127x78.jpg

1835 ms

Uu-dai-gia-ve-may-bay-di-Tokyo-khu-hoi%20(3)-372_thumb_127x78.jpg

Uu-dai-gia-ve-may-bay-di-Tokyo-khu-hoi%20(3)-372_thumb_127x78.jpg

1851 ms

Uu-dai-gia-ve-may-bay-di-Seoul-khu-hoi-601_thumb_127x78.jpg

Uu-dai-gia-ve-may-bay-di-Seoul-khu-hoi-601_thumb_127x78.jpg

1938 ms

Uu-dai-gia-ve-may-bay-di-Chicago-khu-hoi-697_thumb_127x78.jpg

Uu-dai-gia-ve-may-bay-di-Chicago-khu-hoi-697_thumb_127x78.jpg

2090 ms

thong-tin-can-biet-ve-tien-tip-947_thumb_127x78.jpg

thong-tin-can-biet-ve-tien-tip-947_thumb_127x78.jpg

2097 ms

6-viec-can-chuan-bi-khi-di-du-lich-chau-au%20(2)-757_thumb_127x78.jpg

6-viec-can-chuan-bi-khi-di-du-lich-chau-au%20(2)-757_thumb_127x78.jpg

2117 ms

cap-visa-di-han-quoc-5-nam%20(2)-246_thumb_127x78.jpg

cap-visa-di-han-quoc-5-nam%20(2)-246_thumb_127x78.jpg

2137 ms

khai-thac-ve-may-bay-di-Croatia%20(2)-454_thumb_127x78.jpg

khai-thac-ve-may-bay-di-Croatia%20(2)-454_thumb_127x78.jpg

2174 ms

Uu-dai-gia-ve-may-bay-di-Dallas-khu-hoi-967_thumb_127x78.jpg

Uu-dai-gia-ve-may-bay-di-Dallas-khu-hoi-967_thumb_127x78.jpg

2206 ms

%C6%AFu-%C4%91%C3%A3i-gi%C3%A1-v%C3%A9-m%C3%A1y-bay-%C4%91i-Toronto-kh%E1%BB%A9-h%E1%BB%93i%20(2)-146_thumb_127x78.jpg

%C6%AFu-%C4%91%C3%A3i-gi%C3%A1-v%C3%A9-m%C3%A1y-bay-%C4%91i-Toronto-kh%E1%BB%A9-h%E1%BB%93i%20(2)-146_thumb_127x78.jpg

2311 ms

logohang.png

logohang.png

2119 ms

korean_air_white-713.png

korean_air_white-713.png

2058 ms

FOOTER_darker.jpg

FOOTER_darker.jpg

20115 ms

intro_bg.png

intro_bg.png

1749 ms

korean.jpg

korean.jpg

1762 ms

logo-visitkorea.png

logo-visitkorea.png

20115 ms

like.php

like.php

302 ms

platform.js

platform.js

138 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1626 ms

api.js

api.js

161 ms

1ct2c9830

1ct2c9830

304 ms

revolution.extension.slideanims.min.js

revolution.extension.slideanims.min.js

1731 ms

revolution.extension.layeranimation.min.js

revolution.extension.layeranimation.min.js

1727 ms

revolution.extension.kenburn.min.js

revolution.extension.kenburn.min.js

1754 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

27 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

51 ms

follow

follow

47 ms

revolution.extension.navigation.min.js

revolution.extension.navigation.min.js

1730 ms

bx_loader.gif

bx_loader.gif

1717 ms

visanp.png

visanp.png

1827 ms

yQKTJ5u9NfU.js

yQKTJ5u9NfU.js

38 ms

FEppCFCt76d.png

FEppCFCt76d.png

28 ms

postmessageRelay

postmessageRelay

100 ms

recaptcha__en.js

recaptcha__en.js

52 ms

developers.google.com

developers.google.com

967 ms

1413334672-postmessagerelay.js

1413334672-postmessagerelay.js

17 ms

rpc:shindig_random.js

rpc:shindig_random.js

8 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

4 ms

twk-event-polyfill.js

twk-event-polyfill.js

152 ms

twk-main.js

twk-main.js

25 ms

twk-vendor.js

twk-vendor.js

19 ms

twk-chunk-vendors.js

twk-chunk-vendors.js

33 ms

twk-chunk-common.js

twk-chunk-common.js

23 ms

twk-runtime.js

twk-runtime.js

63 ms

twk-app.js

twk-app.js

32 ms

Accessibility Review

korean-air.biz accessibility score

86

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

Low

No form fields have multiple labels

High

Form elements do not have associated labels

Best Practices

korean-air.biz best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

korean-air.biz SEO score

91

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

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

    VI

  • Language Claimed

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Korean-air.biz can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it matches the claimed language. Our system also found out that Korean-air.biz 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

korean-air.biz

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