Access kt.co.kr. 개인 | 글로벌 No.1 KT

name

value

score

weighting

FCP (First Contentful Paint)

Value23.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value41.9 s

0/100

25%

SI (Speed Index)

Value23.8 s

0/100

10%

TBT (Total Blocking Time)

Value990 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0.297

40/100

15%

TTI (Time to Interactive)

Value32.9 s

0/100

10%

kt.co.kr

666 ms

www.kt.com

885 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that 50% of them (1 request) were addressed to the original Kt.co.kr, 50% (1 request) were made to Kt.com. The less responsive or slowest element that took the longest time to load (885 ms) relates to the external source Kt.com.

Content Size

798 B

After Optimization

344 B

In fact, the total size of Kt.co.kr main page is 798 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 798 B which makes up the majority of the site volume.

HTML Optimization

-57%

Potential reduce by 454 B

Original 798 B
After minification 498 B
After compression 344 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 300 B, which is 38% 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 454 B or 57% of the original size.

Requests Now

After Optimization

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

robots.txt is not valid

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

KO
Language Claimed

N/A
Encoding

N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kt.co.kr can be misinterpreted by Google and other search engines. Our service has detected that Korean is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Kt.co.kr main page’s claimed encoding is . 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

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