Access sisul.or.kr. 서울시설공단

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value21.9 s

0/100

25%

SI (Speed Index)

Value12.6 s

3/100

10%

TBT (Total Blocking Time)

Value390 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0.198

62/100

15%

TTI (Time to Interactive)

Value31.0 s

0/100

10%

sisul.or.kr

576 ms

www.sisul.or.kr

1933 ms

common.css

944 ms

inc.css

559 ms

main.css

1161 ms

Our browser made a total of 128 requests to load all elements on the main page. We found that 81% of them (104 requests) were addressed to the original Sisul.or.kr, 5% (6 requests) were made to Cdn.jsdelivr.net and 3% (4 requests) were made to Seoul.go.kr. The less responsive or slowest element that took the longest time to load (4.5 sec) belongs to the original domain Sisul.or.kr.

Content Size

494.4 kB

After Optimization

157.6 kB

In fact, the total size of Sisul.or.kr main page is 494.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Javascripts take 276.8 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 66.1 kB

Original 81.4 kB
After minification 70.0 kB
After compression 15.3 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 11.4 kB, which is 14% 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 66.1 kB or 81% of the original size.

Image Optimization

-41%

Potential reduce by 24.8 kB

Original 61.2 kB
After minification 36.4 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, Sisul needs image optimization as it can save up to 24.8 kB or 41% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 183.2 kB

Original 276.8 kB
After minification 261.7 kB
After compression 93.6 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 183.2 kB or 66% of the original size.

CSS Optimization

-84%

Potential reduce by 62.7 kB

Original 75.0 kB
After minification 63.3 kB
After compression 12.3 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. Sisul.or.kr needs all CSS files to be minified and compressed as it can save up to 62.7 kB or 84% of the original size.

Requests Now

After Optimization

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sisul. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[role]s are not contained by their required parent element

High

[aria-*] attributes do not have valid values

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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/).

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 Sisul.or.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 Sisul.or.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

sisul.or.kr

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

Report Summary

Performance

Accessibility

Best Practices

SEO

서울시설공단

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

sisul.or.kr

www.sisul.or.kr

common.css

inc.css

main.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

sisul.or.kr

www.sisul.or.kr

common.css

inc.css

main.css

gnb.js

jquery-1.7.2.min.js

js_rolling.js

ajs.php

js

nanumgothic.css

nanummyeongjo.css

nanumgothic.css

nanummyeongjo.css

jquery-1.11.1.min.js

logo.gif

mqdefault.jpg

mqdefault.jpg

logo_mb.gif

search_bar.gif

search_submit.gif

upfiles.do

upfiles.do

upfiles.do

upfiles.do

btn_stop.png

btn_play.png

upfiles.do

upfiles.do

upfiles.do

upfiles.do

board_childrenpark.gif

board_skydome.gif

board_jangchung.gif

board_icon3.gif

board_main.gif

reparation3.gif

reparation2.gif

p1.gif

p2.gif

p4.gif

p6.gif

upfiles.do