Tools & Wizards About Us
ybmclass.com screenshot

Report Summary

  • 1

    Performance

    Renders faster than
    19% 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

  • 77

    SEO

    Google-friendlier than
    36% of websites

ybmclass.com

YBM 토익인강 공식사이트

Page Load Speed

53.5 sec in total

First Response

715 ms

Resources Loaded

51.8 sec

Page Rendered

980 ms

ybmclass.com screenshot

About Website

Visit ybmclass.com now to see the best up-to-date YBM Class content for South Korea and also check out these interesting facts you probably never knew about ybmclass.com

[브랜드파워 17년 연속 1위] 토익 토익스피킹 공식주관사! 토익인강, 토익스피킹인강, 환급코스, ETS교재인강, 무한패스, 멘토패스

Visit ybmclass.com

Key Findings

We analyzed Ybmclass.com page load time and found that the first response time was 715 ms and then it took 52.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 24 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

ybmclass.com performance score

1

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value51.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value101.2 s

0/100

25%

SI (Speed Index)

Value65.9 s

0/100

10%

TBT (Total Blocking Time)

Value2,520 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value1.678

0/100

15%

TTI (Time to Interactive)

Value146.4 s

0/100

10%

Network Requests Diagram

ybmclass.com

715 ms

www.ybmclass.com

3420 ms

ybm.css

3322 ms

ybm_sub.css

2978 ms

ybm_cont.css

1089 ms

Our browser made a total of 174 requests to load all elements on the main page. We found that 37% of them (64 requests) were addressed to the original Ybmclass.com, 41% (71 requests) were made to Upsisa.ybmsisa.com and 7% (12 requests) were made to Ybmedu.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Upsisa.ybmsisa.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 751.4 kB (13%)

Content Size

5.9 MB

After Optimization

5.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ybmclass.com main page is 5.9 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. 50% of websites need less resources to load. Images take 5.1 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 83.3 kB

  • Original 98.8 kB
  • After minification 90.9 kB
  • After compression 15.5 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 83.3 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 162.5 kB

  • Original 5.1 MB
  • After minification 5.0 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. YBM Class images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 337.9 kB

  • Original 493.1 kB
  • After minification 477.4 kB
  • After compression 155.1 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 337.9 kB or 69% of the original size.

CSS Optimization

-85%

Potential reduce by 167.7 kB

  • Original 198.1 kB
  • After minification 163.6 kB
  • After compression 30.4 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. Ybmclass.com needs all CSS files to be minified and compressed as it can save up to 167.7 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (27%)

Requests Now

145

After Optimization

106

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 145 CSS, Javascripts, AJAX and image requests in order to completely render the main page of YBM Class. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ybmclass.com

ybmclass.com

715 ms

www.ybmclass.com

www.ybmclass.com

3420 ms

ybm.css

ybm.css

3322 ms

ybm_sub.css

ybm_sub.css

2978 ms

ybm_cont.css

ybm_cont.css

1089 ms

owl.carousel.css

owl.carousel.css

879 ms

owl.theme.css

owl.theme.css

3510 ms

ybm_new_v2.css

ybm_new_v2.css

2789 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

5757 ms

jquery-ui.min.js

jquery-ui.min.js

5307 ms

jquery.word-break-keep-all.min.js

jquery.word-break-keep-all.min.js

2999 ms

owl.carousel.min.js

owl.carousel.min.js

4104 ms

common.js

common.js

3214 ms

function_common.js

function_common.js

3449 ms

ybm_ad.js

ybm_ad.js

3529 ms

ui.js

ui.js

3675 ms

index.js

index.js

3978 ms

goMobileCheck.js

goMobileCheck.js

3744 ms

jquery.transit.js

jquery.transit.js

3897 ms

jquery.rwdImageMaps.min.js

jquery.rwdImageMaps.min.js

3745 ms

pop_promo_wrapV2.css

pop_promo_wrapV2.css

3147 ms

jquery.banner.index.js

jquery.banner.index.js

3320 ms

conversion.js

conversion.js

71 ms

wp_astg_3.0.js

wp_astg_3.0.js

493 ms

NanumGothic_utf8.css

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759 ms

NanumGothic-Regular.woff

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20153 ms

analytics.js

analytics.js

35 ms

gtp8.acecounter.com

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3735 ms

AceCounter_AW.js

AceCounter_AW.js

2259 ms

collect

collect

18 ms

collect

collect

240 ms

ga-audiences

ga-audiences

499 ms

sendid

sendid

755 ms

btn_160318.png

btn_160318.png

16625 ms

logo3.png

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249 ms

gtp8.acecounter.com

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511 ms

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19868 ms

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19876 ms

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19877 ms

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19878 ms

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19877 ms

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19880 ms

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19880 ms

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259 ms

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290 ms

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266 ms

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1969 ms

btn_detail.gif

btn_detail.gif

270 ms

title_event.png

title_event.png

486 ms

title_consulting.png

title_consulting.png

511 ms

job_banner1.jpg

job_banner1.jpg

1311 ms

job_banner2.jpg

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4302 ms

job_banner3.jpg

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2641 ms

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1002 ms

job_banner5.jpg

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1264 ms

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2898 ms

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1769 ms

job_banner8.jpg

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2153 ms

job_banner9.jpg

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7720 ms

title_news.png

title_news.png

3142 ms

img_footer_mark1.png

img_footer_mark1.png

2413 ms

img_footer_mark3.png

img_footer_mark3.png

2690 ms

btn_x.png

btn_x.png

3434 ms

btn_register_o_pop_close7.png

btn_register_o_pop_close7.png

1558 ms

logo_tab_0.png

logo_tab_0.png

1826 ms

bg_160318.jpg

bg_160318.jpg

1882 ms

btn_register_o_pop_close6.png

btn_register_o_pop_close6.png

534 ms

bg_pop_event.png

bg_pop_event.png

2413 ms

gtp8.acecounter.com

gtp8.acecounter.com

514 ms

tab_bg_class1.png

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831 ms

tab_gnb_01.png

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2993 ms

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2858 ms

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2320 ms

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2127 ms

header_bg1.png

header_bg1.png

2910 ms

btn_bg.png

btn_bg.png

3150 ms

bg_gnb_wrap.png

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3178 ms

bg_gnb_menu_9.png

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3375 ms

bg_visual.jpg

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4776 ms

bg_visualmenu_on.png

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3626 ms

arrow_visualmenu_on.png

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3575 ms

icon_cal.png

icon_cal.png

3653 ms

bg_teacher_over.png

bg_teacher_over.png

3815 ms

banner_odd_cover.png

banner_odd_cover.png

4148 ms

arrow_consulting.png

arrow_consulting.png

3935 ms

new_footer_logo.png

new_footer_logo.png

4061 ms

bstrk.1.js

bstrk.1.js

2482 ms

NanumGothic-Bold.woff

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20069 ms

logger.v4.1.js

logger.v4.1.js

1033 ms

290 ms

wpc.php

wpc.php

511 ms

index_login.asp

index_login.asp

2150 ms

arrow_teacher_list_prev.png

arrow_teacher_list_prev.png

3316 ms

arrow_teacher_list_next.png

arrow_teacher_list_next.png

2073 ms

arrow_review_prev.png

arrow_review_prev.png

2074 ms

arrow_review_next.png

arrow_review_next.png

2083 ms

gtp8.acecounter.com

gtp8.acecounter.com

573 ms

50 ms

adtruth.php

adtruth.php

548 ms

tracker.1.tsp

tracker.1.tsp

1159 ms

prefs.js

prefs.js

546 ms

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16927 ms

di.php

di.php

637 ms

txt_login_01.png

txt_login_01.png

279 ms

btn_login.png

btn_login.png

1255 ms

icon_login.png

icon_login.png

278 ms

flag_login_01.png

flag_login_01.png

276 ms

bg_login.png

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873 ms

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17115 ms

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16999 ms

wpc.php

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520 ms

widerplanet.php

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593 ms

pixel

pixel

384 ms

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463 ms

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17553 ms

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484 ms

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519 ms

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11480 ms

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9289 ms

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8990 ms

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19631 ms

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6047 ms

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9198 ms

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9892 ms

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9931 ms

NanumGothic-Bold.ttf

NanumGothic-Bold.ttf

19914 ms

Accessibility Review

ybmclass.com accessibility score

68

Accessibility Issues

ARIA

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.

Impact

Issue

High

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

High

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

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

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

ybmclass.com 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

ybmclass.com SEO score

77

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    KO

  • Language Claimed

    KO

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ybmclass.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 Ybmclass.com 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

ybmclass.com

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