Tools & Wizards About Us
fastcampus.co.kr screenshot

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 0

    Accessibility

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 0

    SEO

fastcampus.co.kr

올해 마지막 보너스 혜택! 1+1+1 쿠폰 이벤트 (~12/09 23:59) | 패스트캠퍼스

Page Load Speed

7.4 sec in total

First Response

369 ms

Resources Loaded

4.8 sec

Page Rendered

2.3 sec

fastcampus.co.kr screenshot

About Website

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

12월 한정 혜택! 1+1+1 이벤트

Visit fastcampus.co.kr

Key Findings

We analyzed Fastcampus.co.kr page load time and found that the first response time was 369 ms and then it took 7.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

fastcampus.co.kr performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.6 s

0/100

25%

SI (Speed Index)

Value49.4 s

0/100

10%

TBT (Total Blocking Time)

Value32,790 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.155

74/100

15%

TTI (Time to Interactive)

Value86.7 s

0/100

10%

Network Requests Diagram

fastcampus.co.kr

369 ms

e53c9ea38def0100.css

963 ms

ea9e60d68b31a190.css

255 ms

fd9d1056-175d454b2f06f642.js

984 ms

7864-fbdda1fd54ee4d20.js

984 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Fastcampus.co.kr, 63% (29 requests) were made to Cdn.day1company.io and 20% (9 requests) were made to Cdn.fastcampus.co.kr. The less responsive or slowest element that took the longest time to load (2.8 sec) relates to the external source Storage.googleapis.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.4 MB (20%)

Content Size

11.8 MB

After Optimization

9.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Fastcampus.co.kr main page is 11.8 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. 35% of websites need less resources to load. Images take 10.2 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 166.1 kB

  • Original 188.9 kB
  • After minification 177.5 kB
  • After compression 22.8 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 166.1 kB or 88% of the original size.

Image Optimization

-10%

Potential reduce by 1.0 MB

  • Original 10.2 MB
  • After minification 9.1 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. Fastcampus images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 252.3 kB

  • Original 367.6 kB
  • After minification 367.6 kB
  • After compression 115.3 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 252.3 kB or 69% of the original size.

CSS Optimization

-84%

Potential reduce by 909.7 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 175.4 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. Fastcampus.co.kr needs all CSS files to be minified and compressed as it can save up to 909.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (18%)

Requests Now

44

After Optimization

36

  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Fastcampus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

fastcampus.co.kr

fastcampus.co.kr

369 ms

e53c9ea38def0100.css

e53c9ea38def0100.css

963 ms

ea9e60d68b31a190.css

ea9e60d68b31a190.css

255 ms

fd9d1056-175d454b2f06f642.js

fd9d1056-175d454b2f06f642.js

984 ms

7864-fbdda1fd54ee4d20.js

7864-fbdda1fd54ee4d20.js

984 ms

main-app-86aaf44bf8f116c2.js

main-app-86aaf44bf8f116c2.js

957 ms

pretendardvariable-dynamic-subset.min.css

pretendardvariable-dynamic-subset.min.css

38 ms

pretendard.min.css

pretendard.min.css

50 ms

polyfills-c67a75d1b6f99dc8.js

polyfills-c67a75d1b6f99dc8.js

1408 ms

snippet.js

snippet.js

35 ms

webpack-93001274e29e1a6a.js

webpack-93001274e29e1a6a.js

958 ms

0-depth-banner-pc.webp

0-depth-banner-pc.webp

295 ms

%EB%B3%80%ED%99%98-0-depth-banner-web-nextvercheck-4.webp

%EB%B3%80%ED%99%98-0-depth-banner-web-nextvercheck-4.webp

1123 ms

%EC%8B%9C%EA%B7%B8%EB%8B%88%EC%B2%98-%EB%94%A5%EB%9F%AC%EB%8B%9D-%EC%9D%B8%EA%B3%B5%EC%A7%80%EB%8A%A5-%EC%8B%9C%EA%B7%B8%EB%8B%88%EC%B2%98-2.png

%EC%8B%9C%EA%B7%B8%EB%8B%88%EC%B2%98-%EB%94%A5%EB%9F%AC%EB%8B%9D-%EC%9D%B8%EA%B3%B5%EC%A7%80%EB%8A%A5-%EC%8B%9C%EA%B7%B8%EB%8B%88%EC%B2%98-2.png

1658 ms

%EB%9D%BC%EC%9D%B8%EC%97%85-%EA%B6%8C%EC%98%A4%EC%83%81%EC%9D%98-%EA%B8%88%EC%9C%B5-%EC%95%84%EC%B9%B4%EB%8D%B0%EB%AF%B8-%EC%88%98%EC%A0%95.png

%EB%9D%BC%EC%9D%B8%EC%97%85-%EA%B6%8C%EC%98%A4%EC%83%81%EC%9D%98-%EA%B8%88%EC%9C%B5-%EC%95%84%EC%B9%B4%EB%8D%B0%EB%AF%B8-%EC%88%98%EC%A0%95.png

2787 ms

%EC%9D%B4%EB%B2%88%EC%A3%BC-%ED%95%9C%EC%A0%95-%EC%9D%B4%EB%B2%A4%ED%8A%B8-%EB%B0%B0%EB%84%88-%EC%9B%B9---980-245---%EB%A9%94%EC%9D%B8%EB%B8%8C%EB%A6%BF%EC%A7%80%EC%9A%A9.png

%EC%9D%B4%EB%B2%88%EC%A3%BC-%ED%95%9C%EC%A0%95-%EC%9D%B4%EB%B2%A4%ED%8A%B8-%EB%B0%B0%EB%84%88-%EC%9B%B9---980-245---%EB%A9%94%EC%9D%B8%EB%B8%8C%EB%A6%BF%EC%A7%80%EC%9A%A9.png

2152 ms

footer_emblem_1.png

footer_emblem_1.png

710 ms

footer_emblem_2.png

footer_emblem_2.png

197 ms

0-depth-banner-pc.png

0-depth-banner-pc.png

381 ms

0-depth-banner-pc.webp

0-depth-banner-pc.webp

298 ms

%EB%A9%94%EC%9D%B8-%EB%B0%B0%EB%84%88-pc--2-.png

%EB%A9%94%EC%9D%B8-%EB%B0%B0%EB%84%88-pc--2-.png

313 ms

0-depth-banner-web.png

0-depth-banner-web.png

348 ms

%EB%B0%B0%EB%84%88%EA%B0%80%EC%9D%B4%EB%93%9C-bda.png

%EB%B0%B0%EB%84%88%EA%B0%80%EC%9D%B4%EB%93%9C-bda.png

297 ms

%EB%B3%80%ED%99%98-best01.webp

%EB%B3%80%ED%99%98-best01.webp

537 ms

%EB%B3%80%ED%99%98-best02.webp

%EB%B3%80%ED%99%98-best02.webp

479 ms

%EB%B3%80%ED%99%98-best03.webp

%EB%B3%80%ED%99%98-best03.webp

472 ms

%EB%B3%80%ED%99%98-best04.webp

%EB%B3%80%ED%99%98-best04.webp

495 ms

%EB%B3%80%ED%99%98-best05.webp

%EB%B3%80%ED%99%98-best05.webp

660 ms

%EB%B3%80%ED%99%98-best06.webp

%EB%B3%80%ED%99%98-best06.webp

546 ms

%EB%B3%80%ED%99%98-best07.webp

%EB%B3%80%ED%99%98-best07.webp

639 ms

%EB%B3%80%ED%99%98-best08.webp

%EB%B3%80%ED%99%98-best08.webp

645 ms

%EB%B3%80%ED%99%98-best9.webp

%EB%B3%80%ED%99%98-best9.webp

679 ms

%EB%B3%80%ED%99%98-best10.webp

%EB%B3%80%ED%99%98-best10.webp

710 ms

%EB%B3%80%ED%99%98-2.-%ED%99%94%EC%82%B4%ED%91%9C-pc.webp

%EB%B3%80%ED%99%98-2.-%ED%99%94%EC%82%B4%ED%91%9C-pc.webp

548 ms

%EB%B3%80%ED%99%98-%EB%B2%A0%ED%83%80%EB%9F%AC%EB%84%88-0%EB%8E%81%EC%8A%A4-%ED%95%98%EB%8B%A8.webp

%EB%B3%80%ED%99%98-%EB%B2%A0%ED%83%80%EB%9F%AC%EB%84%88-0%EB%8E%81%EC%8A%A4-%ED%95%98%EB%8B%A8.webp

717 ms

%EC%8B%9C%EA%B7%B8%EB%8B%88%EC%B2%98-%ED%94%84%EB%A1%A0%ED%8A%B8%EC%97%94%EB%93%9C--2-.png

%EC%8B%9C%EA%B7%B8%EB%8B%88%EC%B2%98-%ED%94%84%EB%A1%A0%ED%8A%B8%EC%97%94%EB%93%9C--2-.png

810 ms

%EC%8B%9C%EA%B7%B8%EB%8B%88%EC%B2%98-%ED%94%84%EB%A1%A0%ED%8A%B8%EC%97%94%EB%93%9C--1-.png

%EC%8B%9C%EA%B7%B8%EB%8B%88%EC%B2%98-%ED%94%84%EB%A1%A0%ED%8A%B8%EC%97%94%EB%93%9C--1-.png

819 ms

%EB%B3%80%ED%99%98-%EC%8B%9C%EA%B7%B8%EB%8B%88%EC%B2%98-%EB%9D%BC%EC%9D%B8%EC%97%85-%EC%83%9D%EC%84%B1ai.webp

%EB%B3%80%ED%99%98-%EC%8B%9C%EA%B7%B8%EB%8B%88%EC%B2%98-%EB%9D%BC%EC%9D%B8%EC%97%85-%EC%83%9D%EC%84%B1ai.webp

823 ms

%EB%B3%80%ED%99%98-%EC%8B%9C%EA%B7%B8%EB%8B%88%EC%B2%98-%EB%9D%BC%EC%9D%B8%EC%97%85-gpt.webp

%EB%B3%80%ED%99%98-%EC%8B%9C%EA%B7%B8%EB%8B%88%EC%B2%98-%EB%9D%BC%EC%9D%B8%EC%97%85-gpt.webp

850 ms

%EB%B3%80%ED%99%98-%EB%84%A4%EC%98%A4%EC%95%84%EC%B9%B4%EB%8D%B0%EB%AF%B8.webp

%EB%B3%80%ED%99%98-%EB%84%A4%EC%98%A4%EC%95%84%EC%B9%B4%EB%8D%B0%EB%AF%B8.webp

874 ms

%EB%B3%80%ED%99%98-%EC%89%90%EC%96%B4%EC%97%91%EC%8A%A4.webp

%EB%B3%80%ED%99%98-%EC%89%90%EC%96%B4%EC%97%91%EC%8A%A4.webp

719 ms

%EB%B3%80%ED%99%98-%EC%8B%9C%EA%B7%B8%EB%8B%88%EC%B2%98-%EB%94%94%EC%A7%80%ED%84%B8%EB%A7%88%EC%BC%80%ED%8C%85.webp

%EB%B3%80%ED%99%98-%EC%8B%9C%EA%B7%B8%EB%8B%88%EC%B2%98-%EB%94%94%EC%A7%80%ED%84%B8%EB%A7%88%EC%BC%80%ED%8C%85.webp

720 ms

%EB%B3%80%ED%99%98-%EB%AC%B4%EB%A3%8C%EA%B0%95%EC%A1%B0-1.webp

%EB%B3%80%ED%99%98-%EB%AC%B4%EB%A3%8C%EA%B0%95%EC%A1%B0-1.webp

888 ms

frame-1410115074.png

frame-1410115074.png

990 ms

intro-2-anim.gif

intro-2-anim.gif

1193 ms

case-2.-%EB%B0%9C%ED%91%9C-%EC%8A%AC%EB%9D%BC%EC%9D%B4%EB%93%9C-1%EB%B6%84%EB%A7%8C%EC%97%90-%EB%A7%8C%EB%93%A4%EC%96%B4%EC%A4%98.gif

case-2.-%EB%B0%9C%ED%91%9C-%EC%8A%AC%EB%9D%BC%EC%9D%B4%EB%93%9C-1%EB%B6%84%EB%A7%8C%EC%97%90-%EB%A7%8C%EB%93%A4%EC%96%B4%EC%A4%98.gif

1179 ms

Best Practices

fastcampus.co.kr best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

fastcampus.co.kr SEO score

0

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 Fastcampus.co.kr 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 Fastcampus.co.kr 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

fastcampus.co.kr

Open Graph data is detected on the main page of Fastcampus. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: