Access koreaisacademy.com. 코리아IT아카데미

name

value

score

weighting

FCP (First Contentful Paint)

Value14.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value50.4 s

0/100

10%

TBT (Total Blocking Time)

Value2,860 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value24.4 s

0/100

10%

koreaisacademy.com

2623 ms

log.catallog.co.kr

702 ms

base.css

620 ms

common.css

621 ms

gnb.css

635 ms

Our browser made a total of 101 requests to load all elements on the main page. We found that 84% of them (85 requests) were addressed to the original Koreaisacademy.com, 5% (5 requests) were made to Asp3.http.or.kr and 3% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Koreaisacademy.com.

Content Size

1.7 MB

After Optimization

1.4 MB

In fact, the total size of Koreaisacademy.com main page is 1.7 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 89.5 kB

Original 110.2 kB
After minification 94.3 kB
After compression 20.7 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 15.9 kB, which is 14% 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 89.5 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 10.9 kB

Original 1.2 MB
After minification 1.2 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. Koreaisacademy images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 194.5 kB

Original 296.4 kB
After minification 277.5 kB
After compression 101.8 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 194.5 kB or 66% of the original size.

CSS Optimization

-83%

Potential reduce by 87.9 kB

Original 105.9 kB
After minification 95.2 kB
After compression 18.1 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. Koreaisacademy.com needs all CSS files to be minified and compressed as it can save up to 87.9 kB or 83% of the original size.

Requests Now

After Optimization

The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koreaisacademy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA toggle fields do not have accessible names

High

[aria-*] attributes do not have valid values

High

ARIA IDs are not unique

These are opportunities to improve the legibility of your content.

High

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

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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.

Low

No form fields have multiple labels

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

High

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

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

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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

EUC-KR

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Koreaisacademy.com 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 Koreaisacademy.com main page’s claimed encoding is euc-kr. 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

koreaisacademy.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

코리아IT아카데미

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

koreaisacademy.com

log.catallog.co.kr

base.css

common.css

gnb.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

koreaisacademy.com

log.catallog.co.kr

base.css

common.css

gnb.css

mainRe.css

sub.css

menu.js

common.js

jquery-1.8.3.min.js

main_slider.js

fQuick.js

jquery.carouFredSel-6.0.4-packed.js

log.catallog.co.kr

jquery.vticker-min.js

quick_moreBtn.png

rquick01.png

rquick02.png

rquick03.png

rquick04.png

rquick05.png

rquick06.png

rquick07.png

rquick_close.png

nanumgothic.css

minimap.png

logo_main.gif

logo_it.gif

winterTopBanner.gif

openday_regular.jpg

openday_weekend.jpg

lmenu001.png

lmenu006.png

lmenu003.png

lmenu004.png

lmenu005.png

lmenu002.png

mainbanner0216.jpg

main_event_160127.jpg

mainBanner003.jpg

mainBanner004.jpg

maincurriBanner001.jpg

maincurriBanner002.jpg