Tools & Wizards About Us

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

kmooc.kr

| K-MOOC

Page Load Speed

18.7 sec in total

First Response

921 ms

Resources Loaded

12.5 sec

Page Rendered

5.3 sec

About Website

Click here to check amazing K MOOC content for South Korea. Otherwise, check out these important facts you probably never knew about kmooc.kr

k-mooc

Visit kmooc.kr

Key Findings

We analyzed Kmooc.kr page load time and found that the first response time was 921 ms and then it took 17.8 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.

Performance Metrics

kmooc.kr performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value27.4 s

0/100

10%

TBT (Total Blocking Time)

Value860 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value28.4 s

0/100

10%

Network Requests Diagram

kmooc.kr

921 ms

kmooc.kr

1197 ms

www.kmooc.kr

3773 ms

reset.css

1187 ms

noto-sans-korean.css

1198 ms

Our browser made a total of 129 requests to load all elements on the main page. We found that 57% of them (73 requests) were addressed to the original Kmooc.kr, 43% (55 requests) were made to Lms.kmooc.kr and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (4.3 sec) relates to the external source Lms.kmooc.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.9 MB (16%)

Content Size

17.6 MB

After Optimization

14.7 MB

  • HTML
  • Images
  • CSS

In fact, the total size of Kmooc.kr main page is 17.6 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. 65% of websites need less resources to load. Images take 17.1 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 154.4 kB

  • Original 176.7 kB
  • After minification 123.9 kB
  • After compression 22.3 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 52.8 kB, which is 30% 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 154.4 kB or 87% of the original size.

Image Optimization

-14%

Potential reduce by 2.5 MB

  • Original 17.1 MB
  • After minification 14.6 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. Obviously, K MOOC needs image optimization as it can save up to 2.5 MB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-84%

Potential reduce by 256.1 kB

  • Original 303.7 kB
  • After minification 266.4 kB
  • After compression 47.6 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. Kmooc.kr needs all CSS files to be minified and compressed as it can save up to 256.1 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (31%)

Requests Now

117

After Optimization

81

  • Images
  • JavaScript
  • CSS

The browser has sent 117 CSS, Javascripts, AJAX and image requests in order to completely render the main page of K MOOC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

kmooc.kr accessibility score

93

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

kmooc.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

Missing source maps for large first-party JavaScript

SEO Factors

kmooc.kr SEO score

82

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 doesn't use 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 Kmooc.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 Kmooc.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 K MOOC. 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: