Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 99

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

underarmour.co.kr

언더아머 공식 온라인스토어 | 스포츠 의류, 운동화 & 액세서리

Page Load Speed

24.7 sec in total

First Response

912 ms

Resources Loaded

23.3 sec

Page Rendered

538 ms

underarmour.co.kr screenshot

About Website

Click here to check amazing Underarmour content for South Korea. Otherwise, check out these important facts you probably never knew about underarmour.co.kr

언더아머 공식 온라인스토어 | 스포츠 의류, 운동화 & 액세서리

Visit underarmour.co.kr

Key Findings

We analyzed Underarmour.co.kr page load time and found that the first response time was 912 ms and then it took 23.8 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. Unfortunately, there were 4 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

underarmour.co.kr performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value3,850 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.474

18/100

15%

TTI (Time to Interactive)

Value18.0 s

3/100

10%

Network Requests Diagram

underarmour.co.kr

912 ms

style.css

1364 ms

flash.js

541 ms

jquery.js

819 ms

string.js

1130 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 89% of them (62 requests) were addressed to the original Underarmour.co.kr, 7% (5 requests) were made to Shop.underarmour.co.kr and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (20.1 sec) belongs to the original domain Underarmour.co.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 390.5 kB (31%)

Content Size

1.3 MB

After Optimization

883.0 kB

In fact, the total size of Underarmour.co.kr main page is 1.3 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. 20% of websites need less resources to load. Images take 784.9 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 23.7 kB

  • Original 29.5 kB
  • After minification 23.2 kB
  • After compression 5.8 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 6.3 kB, which is 21% 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 23.7 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 8.5 kB

  • Original 784.9 kB
  • After minification 776.4 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. Underarmour images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 296.0 kB

  • Original 386.5 kB
  • After minification 255.3 kB
  • After compression 90.5 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 296.0 kB or 77% of the original size.

CSS Optimization

-86%

Potential reduce by 62.3 kB

  • Original 72.7 kB
  • After minification 63.7 kB
  • After compression 10.3 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. Underarmour.co.kr needs all CSS files to be minified and compressed as it can save up to 62.3 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (30%)

Requests Now

64

After Optimization

45

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Underarmour. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

underarmour.co.kr accessibility score

99

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

underarmour.co.kr best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

underarmour.co.kr SEO score

92

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

Language and Encoding

  • Language Detected

    KO

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Underarmour.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 Underarmour.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 Underarmour. 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: