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jsinfo.kr screenshot

Report Summary

  • 86

    Performance

    Renders faster than
    89% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

jsinfo.kr

제이에스정보통신

Page Load Speed

1.6 sec in total

First Response

681 ms

Resources Loaded

779 ms

Page Rendered

122 ms

jsinfo.kr screenshot

About Website

Click here to check amazing Jsinfo content. Otherwise, check out these important facts you probably never knew about jsinfo.kr

전산망 유지보수 시스템의 최고 서비스를 제공하는 JS정보통신

Visit jsinfo.kr

Key Findings

We analyzed Jsinfo.kr page load time and found that the first response time was 681 ms and then it took 901 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

jsinfo.kr performance score

86

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

75/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

jsinfo.kr

681 ms

bg_error_s.gif

65 ms

h2_notfound_s.gif

82 ms

btn_goback.gif

70 ms

btn_bloghome.gif

86 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that 20% of them (1 request) were addressed to the original Jsinfo.kr, 80% (4 requests) were made to Static.naver.com. The less responsive or slowest element that took the longest time to load (681 ms) belongs to the original domain Jsinfo.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 986 B (49%)

Content Size

2.0 kB

After Optimization

1.0 kB

  • HTML

In fact, the total size of Jsinfo.kr main page is 2.0 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 2.0 kB which makes up the majority of the site volume.

HTML Optimization

-49%

Potential reduce by 986 B

  • Original 2.0 kB
  • After minification 2.0 kB
  • After compression 1.0 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 986 B or 49% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

  • Images

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jsinfo. According to our analytics all requests are already optimized.

Network Requests Diagram

jsinfo.kr

jsinfo.kr

681 ms

bg_error_s.gif

bg_error_s.gif

65 ms

h2_notfound_s.gif

h2_notfound_s.gif

82 ms

btn_goback.gif

btn_goback.gif

70 ms

btn_bloghome.gif

btn_bloghome.gif

86 ms

Accessibility Review

jsinfo.kr accessibility score

68

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

jsinfo.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

jsinfo.kr SEO score

86

Search Engine Optimization Advices

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    KO

  • Language Claimed

    N/A

  • Encoding

    EUC-KR

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jsinfo.kr can be misinterpreted by Google and other search engines. Our service has detected that Korean is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Jsinfo.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

jsinfo.kr

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