Report Summary

  • 3

    Performance

    Renders faster than
    20% of other websites

  • 34

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

ybmedu.com

YBM어학원 토익 실제문제로 수업중

Page Load Speed

19.6 sec in total

First Response

686 ms

Resources Loaded

18.3 sec

Page Rendered

625 ms

ybmedu.com screenshot

About Website

Click here to check amazing Ybmedu content for South Korea. Otherwise, check out these important facts you probably never knew about ybmedu.com

종로,강남,신촌,건대,인천,대구,부산 지역 토익,스피킹,회화,일본어,중국어 전문학원

Visit ybmedu.com

Key Findings

We analyzed Ybmedu.com page load time and found that the first response time was 686 ms and then it took 18.9 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

ybmedu.com performance score

3

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.8 s

0/100

25%

SI (Speed Index)

Value18.0 s

0/100

10%

TBT (Total Blocking Time)

Value6,160 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.485

17/100

15%

TTI (Time to Interactive)

Value18.2 s

3/100

10%

Network Requests Diagram

ybmedu.com

686 ms

index.asp

2038 ms

commonV2_min.css

811 ms

contentV2_min.css

1143 ms

content_thumbV2_min.css

469 ms

Our browser made a total of 191 requests to load all elements on the main page. We found that 52% of them (99 requests) were addressed to the original Ybmedu.com, 37% (70 requests) were made to Upsisa.ybmsisa.com and 2% (3 requests) were made to Astg.widerplanet.com. The less responsive or slowest element that took the longest time to load (7.9 sec) belongs to the original domain Ybmedu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (35%)

Content Size

4.0 MB

After Optimization

2.6 MB

In fact, the total size of Ybmedu.com main page is 4.0 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 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 180.6 kB

  • Original 210.2 kB
  • After minification 189.5 kB
  • After compression 29.6 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 180.6 kB or 86% of the original size.

Image Optimization

-4%

Potential reduce by 93.2 kB

  • Original 2.4 MB
  • After minification 2.3 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. Ybmedu images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 399.8 kB

  • Original 539.3 kB
  • After minification 383.3 kB
  • After compression 139.5 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 399.8 kB or 74% of the original size.

CSS Optimization

-87%

Potential reduce by 745.1 kB

  • Original 860.1 kB
  • After minification 826.7 kB
  • After compression 115.0 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. Ybmedu.com needs all CSS files to be minified and compressed as it can save up to 745.1 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (24%)

Requests Now

184

After Optimization

140

The browser has sent 184 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ybmedu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ybmedu.com accessibility score

34

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

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

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

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

ybmedu.com best practices score

83

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

Page has valid source maps

SEO Factors

ybmedu.com SEO score

67

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

    KO

  • Language Claimed

    KO

  • Encoding

    EUC-KR

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ybmedu.com can be misinterpreted by Google and other search engines. Our service has detected that Korean is used on the page, and it matches the claimed language. Our system also found out that Ybmedu.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

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