Tools & Wizards About Us

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

dazen.co.kr

Dasaem System

Page Load Speed

4.9 sec in total

First Response

620 ms

Resources Loaded

4.1 sec

Page Rendered

183 ms

About Website

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

다샘시스템

Visit dazen.co.kr

Key Findings

We analyzed Dazen.co.kr page load time and found that the first response time was 620 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

dazen.co.kr performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value6.0 s

47/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.386

27/100

15%

TTI (Time to Interactive)

Value6.5 s

58/100

10%

Network Requests Diagram

dazen.co.kr

620 ms

jquery-1.9.1.min.js

1236 ms

main_login.asp

219 ms

import.css

226 ms

scripts.js

1228 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that all of those requests were addressed to Dazen.co.kr and no external sources were called. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Dazen.co.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 152.3 kB (51%)

Content Size

298.5 kB

After Optimization

146.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dazen.co.kr main page is 298.5 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. Only 5% of websites need less resources to load. Javascripts take 170.7 kB which makes up the majority of the site volume.

HTML Optimization

-51%

Potential reduce by 428 B

  • Original 845 B
  • After minification 702 B
  • After compression 417 B

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 143 B, which is 17% 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 428 B or 51% of the original size.

Image Optimization

-6%

Potential reduce by 6.6 kB

  • Original 106.7 kB
  • After minification 100.0 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. Dazen images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 128.7 kB

  • Original 170.7 kB
  • After minification 140.1 kB
  • After compression 42.1 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 128.7 kB or 75% of the original size.

CSS Optimization

-82%

Potential reduce by 16.6 kB

  • Original 20.2 kB
  • After minification 19.9 kB
  • After compression 3.6 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. Dazen.co.kr needs all CSS files to be minified and compressed as it can save up to 16.6 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (25%)

Requests Now

16

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dazen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

dazen.co.kr accessibility score

77

Accessibility Issues

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.

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

dazen.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

dazen.co.kr SEO score

79

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

    EUC-KR

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

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