Report Summary

  • 56

    Performance

    Renders faster than
    73% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

Page Load Speed

21.2 sec in total

First Response

2.7 sec

Resources Loaded

18.3 sec

Page Rendered

181 ms

sk.co.kr screenshot

About Website

Welcome to sk.co.kr homepage info - get ready to check SK best content for South Korea right away, or after learning these important things about sk.co.kr

SK

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Key Findings

We analyzed Sk.co.kr page load time and found that the first response time was 2.7 sec and then it took 18.5 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

sk.co.kr performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.042

99/100

15%

TTI (Time to Interactive)

Value7.6 s

47/100

10%

Network Requests Diagram

sk.co.kr

2741 ms

main.css

597 ms

jquery-1.6.1.js

1340 ms

jquery.easing.1.3.js

449 ms

jquery.jcarousellite.min.js

676 ms

Our browser made a total of 168 requests to load all elements on the main page. We found that 99% of them (166 requests) were addressed to the original Sk.co.kr, 1% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (14.7 sec) belongs to the original domain Sk.co.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (20%)

Content Size

6.8 MB

After Optimization

5.5 MB

In fact, the total size of Sk.co.kr main page is 6.8 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. 70% of websites need less resources to load. Images take 5.7 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 63.9 kB

  • Original 79.8 kB
  • After minification 60.0 kB
  • After compression 15.9 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 19.8 kB, which is 25% 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 63.9 kB or 80% of the original size.

Image Optimization

-6%

Potential reduce by 368.0 kB

  • Original 5.7 MB
  • After minification 5.3 MB

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. SK images are well optimized though.

JavaScript Optimization

-86%

Potential reduce by 842.9 kB

  • Original 984.8 kB
  • After minification 597.5 kB
  • After compression 141.9 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 842.9 kB or 86% of the original size.

CSS Optimization

-86%

Potential reduce by 78.3 kB

  • Original 91.4 kB
  • After minification 73.7 kB
  • After compression 13.1 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. Sk.co.kr needs all CSS files to be minified and compressed as it can save up to 78.3 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 58 (35%)

Requests Now

166

After Optimization

108

The browser has sent 166 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SK. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

sk.co.kr accessibility score

100

Accessibility Issues

Best Practices

sk.co.kr best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

sk.co.kr SEO score

99

Search Engine Optimization Advices

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

    EN

  • Language Claimed

    KO

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sk.co.kr can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Korean language. Our system also found out that Sk.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 SK. 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: