Tools & Wizards About Us
orbi.kr screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 44

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

orbi.kr

오르비

Page Load Speed

3.4 sec in total

First Response

558 ms

Resources Loaded

2.1 sec

Page Rendered

686 ms

orbi.kr screenshot

About Website

Visit orbi.kr now to see the best up-to-date Orbi content for South Korea and also check out these interesting facts you probably never knew about orbi.kr

오르비는 상위권 수험생들을 위한 인터넷 강의, 수험서, 입시정보, 커뮤니티 서비스를 제공합니다.

Visit orbi.kr

Key Findings

We analyzed Orbi.kr page load time and found that the first response time was 558 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

orbi.kr performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

20/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value15.4 s

1/100

10%

TBT (Total Blocking Time)

Value3,030 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value51.8 s

0/100

10%

Network Requests Diagram

orbi.kr

558 ms

mactable.css

31 ms

reset-fonts.css

28 ms

orbi16.css

19 ms

board.css

26 ms

Our browser made a total of 174 requests to load all elements on the main page. We found that 1% of them (2 requests) were addressed to the original Orbi.kr, 27% (47 requests) were made to Ads.orbi.kr and 21% (37 requests) were made to Image.orbi.kr. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source S3-ap-northeast-1.amazonaws.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 441.1 kB (30%)

Content Size

1.5 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Orbi.kr main page is 1.5 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 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 193.3 kB

  • Original 220.0 kB
  • After minification 147.0 kB
  • After compression 26.7 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. This page needs HTML code to be minified as it can gain 73.0 kB, which is 33% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 193.3 kB or 88% of the original size.

Image Optimization

-12%

Potential reduce by 125.8 kB

  • Original 1.0 MB
  • After minification 915.7 kB

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, Orbi needs image optimization as it can save up to 125.8 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-54%

Potential reduce by 65.3 kB

  • Original 120.9 kB
  • After minification 120.4 kB
  • After compression 55.6 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 65.3 kB or 54% of the original size.

CSS Optimization

-80%

Potential reduce by 56.7 kB

  • Original 71.3 kB
  • After minification 69.8 kB
  • After compression 14.6 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. Orbi.kr needs all CSS files to be minified and compressed as it can save up to 56.7 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 59 (37%)

Requests Now

159

After Optimization

100

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 159 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Orbi. 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 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

orbi.kr

orbi.kr

558 ms

mactable.css

mactable.css

31 ms

reset-fonts.css

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28 ms

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19 ms

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26 ms

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Accessibility Review

orbi.kr accessibility score

44

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

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

orbi.kr best practices score

75

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

SEO Factors

orbi.kr SEO score

85

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 Orbi.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 Orbi.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

orbi.kr

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