Report Summary

  • 49

    Performance

    Renders faster than
    68% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

keisung.hs.kr

계성고등학교

Page Load Speed

14 sec in total

First Response

806 ms

Resources Loaded

13.1 sec

Page Rendered

177 ms

keisung.hs.kr screenshot

About Website

Click here to check amazing Keisung Hs content. Otherwise, check out these important facts you probably never knew about keisung.hs.kr

계성고등학교

Visit keisung.hs.kr

Key Findings

We analyzed Keisung.hs.kr page load time and found that the first response time was 806 ms and then it took 13.2 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

keisung.hs.kr performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value13.4 s

2/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.069

96/100

15%

TTI (Time to Interactive)

Value7.9 s

43/100

10%

Network Requests Diagram

keisung.hs.kr

806 ms

index.do

3455 ms

layout.js

517 ms

jquery-1.7.1.min.js

1825 ms

jcarousellite_1.0.1.js

1391 ms

Our browser made a total of 104 requests to load all elements on the main page. We found that 97% of them (101 requests) were addressed to the original Keisung.hs.kr, 2% (2 requests) were made to Crezone.net and 1% (1 request) were made to Adobe.com. The less responsive or slowest element that took the longest time to load (7.5 sec) belongs to the original domain Keisung.hs.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 563.4 kB (46%)

Content Size

1.2 MB

After Optimization

668.4 kB

In fact, the total size of Keisung.hs.kr main page is 1.2 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 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 55.0 kB

  • Original 67.4 kB
  • After minification 54.8 kB
  • After compression 12.4 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 12.6 kB, which is 19% 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 55.0 kB or 82% of the original size.

Image Optimization

-43%

Potential reduce by 485.6 kB

  • Original 1.1 MB
  • After minification 649.5 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, Keisung Hs needs image optimization as it can save up to 485.6 kB or 43% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-78%

Potential reduce by 22.8 kB

  • Original 29.3 kB
  • After minification 26.9 kB
  • After compression 6.5 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. Keisung.hs.kr needs all CSS files to be minified and compressed as it can save up to 22.8 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (12%)

Requests Now

102

After Optimization

90

The browser has sent 102 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Keisung Hs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

keisung.hs.kr accessibility score

59

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

keisung.hs.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

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

keisung.hs.kr SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

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

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 Keisung.hs.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 Keisung.hs.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

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