Tools & Wizards About Us

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

ebook.co.kr

eBook 이북제작 ,이북솔루션, 전자책 프로그램 전문 이앤아이월드

Page Load Speed

13.7 sec in total

First Response

780 ms

Resources Loaded

11.5 sec

Page Rendered

1.4 sec

About Website

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

전자책 이북제작 솔루션, 전자북프로그램 개발 전문기업

Visit ebook.co.kr

Key Findings

We analyzed Ebook.co.kr page load time and found that the first response time was 780 ms and then it took 12.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

ebook.co.kr performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value16.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value47.5 s

0/100

25%

SI (Speed Index)

Value26.8 s

0/100

10%

TBT (Total Blocking Time)

Value1,090 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value47.1 s

0/100

10%

Network Requests Diagram

ebook.co.kr

780 ms

ebook.co.kr

1474 ms

style.css

998 ms

default_new.css

1001 ms

jquery.min.js

1401 ms

Our browser made a total of 202 requests to load all elements on the main page. We found that 76% of them (154 requests) were addressed to the original Ebook.co.kr, 5% (11 requests) were made to Fonts.gstatic.com and 4% (8 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (4.4 sec) belongs to the original domain Ebook.co.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (7%)

Content Size

14.7 MB

After Optimization

13.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ebook.co.kr main page is 14.7 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. Only a small number of websites need less resources to load. Images take 13.6 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 71.1 kB

  • Original 89.4 kB
  • After minification 80.5 kB
  • After compression 18.3 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. 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 71.1 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 371.6 kB

  • Original 13.6 MB
  • After minification 13.2 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. EBook images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 327.3 kB

  • Original 665.1 kB
  • After minification 601.3 kB
  • After compression 337.8 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 327.3 kB or 49% of the original size.

CSS Optimization

-71%

Potential reduce by 253.3 kB

  • Original 355.0 kB
  • After minification 307.6 kB
  • After compression 101.7 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. Ebook.co.kr needs all CSS files to be minified and compressed as it can save up to 253.3 kB or 71% of the original size.

Requests Breakdown

Number of requests can be reduced by 54 (31%)

Requests Now

176

After Optimization

122

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 176 CSS, Javascripts, AJAX and image requests in order to completely render the main page of EBook. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

ebook.co.kr accessibility score

68

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

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

ebook.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

ebook.co.kr SEO score

79

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

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

    EUC-KR

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ebook.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 Ebook.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 data is detected on the main page of EBook. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: