Tools & Wizards About Us
gangsaya.co.kr screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

gangsaya.co.kr

강사야

Page Load Speed

12.1 sec in total

First Response

1.7 sec

Resources Loaded

10 sec

Page Rendered

439 ms

gangsaya.co.kr screenshot

About Website

Visit gangsaya.co.kr now to see the best up-to-date Gangsaya content and also check out these interesting facts you probably never knew about gangsaya.co.kr

기업교육 특강강사섭외, 명사초청강연, 행사MC섭외, 강사프로필 및 강의안 무료제공

Visit gangsaya.co.kr

Key Findings

We analyzed Gangsaya.co.kr page load time and found that the first response time was 1.7 sec and then it took 10.4 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

gangsaya.co.kr performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.3 s

0/100

25%

SI (Speed Index)

Value13.9 s

1/100

10%

TBT (Total Blocking Time)

Value1,760 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.204

61/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

Network Requests Diagram

index.html

1663 ms

rankup_style.css

768 ms

rankup_style_new.css

1055 ms

require.js

974 ms

jquery.min.js

1929 ms

Our browser made a total of 153 requests to load all elements on the main page. We found that 99% of them (151 requests) were addressed to the original Gangsaya.co.kr, 1% (1 request) were made to Fonts.googleapis.com and 1% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Gangsaya.co.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 859.2 kB (22%)

Content Size

3.9 MB

After Optimization

3.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Gangsaya.co.kr main page is 3.9 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. 70% of websites need less resources to load. Images take 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 121.9 kB

  • Original 142.7 kB
  • After minification 128.7 kB
  • After compression 20.9 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 121.9 kB or 85% of the original size.

Image Optimization

-11%

Potential reduce by 347.0 kB

  • Original 3.2 MB
  • After minification 2.9 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. Obviously, Gangsaya needs image optimization as it can save up to 347.0 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 353.2 kB

  • Original 488.4 kB
  • After minification 410.3 kB
  • After compression 135.2 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 353.2 kB or 72% of the original size.

CSS Optimization

-86%

Potential reduce by 37.2 kB

  • Original 43.2 kB
  • After minification 39.2 kB
  • After compression 6.1 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. Gangsaya.co.kr needs all CSS files to be minified and compressed as it can save up to 37.2 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (18%)

Requests Now

151

After Optimization

124

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 151 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gangsaya. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

index.html

index.html

1663 ms

rankup_style.css

rankup_style.css

768 ms

rankup_style_new.css

rankup_style_new.css

1055 ms

require.js

require.js

974 ms

jquery.min.js

jquery.min.js

1929 ms

form.js

form.js

1199 ms

prototype.js

prototype.js

2102 ms

common.js

common.js

1660 ms

js_rolling.js

js_rolling.js

1252 ms

rankup_date.class.js

rankup_date.class.js

1389 ms

rankup_teacher.class.js

rankup_teacher.class.js

1716 ms

language.pack.js

language.pack.js

1449 ms

LiveForm.js

LiveForm.js

1611 ms

rankup_casting.js

rankup_casting.js

1196 ms

rankup_popup.js

rankup_popup.js

1357 ms

banner.css

banner.css

1367 ms

rankup_banner.js

rankup_banner.js

1218 ms

nanumgothic.css

nanumgothic.css

23 ms

main_box_07.gif

main_box_07.gif

901 ms

main_box_bt01.gif

main_box_bt01.gif

991 ms

main_box_bt02.gif

main_box_bt02.gif

977 ms

main_box_bt03.gif

main_box_bt03.gif

1057 ms

tit_sms.gif

tit_sms.gif

1088 ms

left_customer_help.png

left_customer_help.png

1158 ms

btn_send.gif

btn_send.gif

1191 ms

demo_msg_open.gif

demo_msg_open.gif

1211 ms

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1209 ms

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1497 ms

s_logo.gif

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1320 ms

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1415 ms

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1372 ms

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1401 ms

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1436 ms

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1551 ms

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1631 ms

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2281 ms

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2442 ms

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1790 ms

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2142 ms

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1934 ms

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2998 ms

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1971 ms

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2216 ms

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2476 ms

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2522 ms

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1964 ms

bt_join.gif

bt_join.gif

2142 ms

bt_find.gif

bt_find.gif

2125 ms

bt_member1.gif

bt_member1.gif

2189 ms

multiProcess.html

multiProcess.html

2277 ms

proc.ajax.php

proc.ajax.php

2473 ms

bt_member2.gif

bt_member2.gif

2281 ms

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2360 ms

notice_on.gif

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2346 ms

faq_off.gif

faq_off.gif

2331 ms

title_cate.gif

title_cate.gif

2329 ms

icn_arrow.gif

icn_arrow.gif

2346 ms

title_casting.gif

title_casting.gif

2386 ms

bt_more2.gif

bt_more2.gif

2445 ms

title_board1.png

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2364 ms

bt_more.gif

bt_more.gif

2375 ms

title_board2.png

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bt_all.gif

bt_all.gif

2368 ms

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ga.js

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5 ms

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jssor.core.js

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2483 ms

jssor.slider.min.js

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2371 ms

jssor.utils.js

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2725 ms

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title_partner.gif

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1613 ms

loader-bert.gif

loader-bert.gif

1602 ms

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1633 ms

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1654 ms

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1705 ms

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1644 ms

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1634 ms

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1679 ms

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1635 ms

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1712 ms

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1720 ms

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1588 ms

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1588 ms

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1645 ms

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1634 ms

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1721 ms

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1558 ms

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1553 ms

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1566 ms

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1611 ms

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1609 ms

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1540 ms

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1561 ms

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1640 ms

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1536 ms

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1603 ms

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1609 ms

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1533 ms

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1407 ms

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1503 ms

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1443 ms

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1383 ms

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1343 ms

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1255 ms

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1331 ms

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1303 ms

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1273 ms

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1359 ms

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1341 ms

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1328 ms

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1350 ms

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1304 ms

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1334 ms

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1383 ms

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1302 ms

Accessibility Review

gangsaya.co.kr accessibility score

65

Accessibility Issues

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

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.

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>).

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

gangsaya.co.kr best practices score

58

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

High

Page has valid source maps

SEO Factors

gangsaya.co.kr SEO score

82

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

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

    N/A

  • Encoding

    EUC-KR

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

gangsaya.co.kr

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