Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

go-elibrary.co.kr

e-라이브러리

Page Load Speed

3.8 sec in total

First Response

705 ms

Resources Loaded

2.9 sec

Page Rendered

176 ms

go-elibrary.co.kr screenshot

About Website

Click here to check amazing Go Elibrary content for South Korea. Otherwise, check out these important facts you probably never knew about go-elibrary.co.kr

자기주도형 온라인 영어도서관 프로그램 러닝캐슬 이라이브러리(e-라이브러리)

Visit go-elibrary.co.kr

Key Findings

We analyzed Go-elibrary.co.kr page load time and found that the first response time was 705 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

go-elibrary.co.kr performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value90 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.317

36/100

15%

TTI (Time to Interactive)

Value7.6 s

46/100

10%

Network Requests Diagram

go-elibrary.co.kr

705 ms

style.css

201 ms

main.css

396 ms

common.js

401 ms

swfobject.js

400 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 84% of them (21 requests) were addressed to the original Go-elibrary.co.kr, 4% (1 request) were made to Wcs.naver.net and 4% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Go-elibrary.co.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 191.9 kB (24%)

Content Size

790.3 kB

After Optimization

598.4 kB

In fact, the total size of Go-elibrary.co.kr main page is 790.3 kB. 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 559.6 kB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 8.2 kB

  • Original 12.7 kB
  • After minification 11.4 kB
  • After compression 4.4 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 8.2 kB or 65% of the original size.

Image Optimization

-7%

Potential reduce by 38.1 kB

  • Original 559.6 kB
  • After minification 521.5 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. Go Elibrary images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 131.7 kB

  • Original 200.6 kB
  • After minification 191.2 kB
  • After compression 68.9 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 131.7 kB or 66% of the original size.

CSS Optimization

-79%

Potential reduce by 13.9 kB

  • Original 17.5 kB
  • After minification 14.1 kB
  • After compression 3.6 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. Go-elibrary.co.kr needs all CSS files to be minified and compressed as it can save up to 13.9 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (25%)

Requests Now

24

After Optimization

18

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Go Elibrary. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

go-elibrary.co.kr accessibility score

90

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.

Names and labels

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.

Impact

Issue

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

go-elibrary.co.kr best practices score

75

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

SEO Factors

go-elibrary.co.kr SEO score

88

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

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

    KO

  • Language Claimed

    EN

  • Encoding

    EUC-KR

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

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