Tools & Wizards About Us

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

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 777.1 kB (33%)

Content Size

2.3 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Korean-air.biz 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. 60% of websites need less resources to load. Javascripts take 960.9 kB 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

-32%

Potential reduce by 303.0 kB

  • Original 960.9 kB
  • After minification 960.0 kB
  • 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 303.0 kB or 32% 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

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

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: