Tools & Wizards About Us
nts.go.kr screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

nts.go.kr

국세청

Page Load Speed

13.9 sec in total

First Response

1.8 sec

Resources Loaded

12 sec

Page Rendered

127 ms

nts.go.kr screenshot

About Website

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

국세청 홈페이지에 오신 것을 환영합니다.

Visit nts.go.kr

Key Findings

We analyzed Nts.go.kr page load time and found that the first response time was 1.8 sec and then it took 12.1 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

nts.go.kr performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.4 s

1/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

0/100

25%

SI (Speed Index)

Value13.7 s

2/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

nts.go.kr

1771 ms

common_new15.css

852 ms

jquery-1.7.2.js

2114 ms

jquery.carouFredSel-5.5.0-packed.js

1112 ms

common_new.js

732 ms

Our browser made a total of 230 requests to load all elements on the main page. We found that 84% of them (193 requests) were addressed to the original Nts.go.kr, 16% (36 requests) were made to File.nts.go.kr and 0% (1 request) were made to Search.nts.go.kr. The less responsive or slowest element that took the longest time to load (9.1 sec) relates to the external source File.nts.go.kr.

Page Optimization Overview & Recommendations

Page size can be reduced by 697.2 kB (26%)

Content Size

2.7 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nts.go.kr main page is 2.7 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. 55% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 69.4 kB

  • Original 83.0 kB
  • After minification 72.1 kB
  • After compression 13.6 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 10.9 kB, which is 13% 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 69.4 kB or 84% of the original size.

Image Optimization

-11%

Potential reduce by 230.8 kB

  • Original 2.1 MB
  • After minification 1.9 MB

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, Nts Go needs image optimization as it can save up to 230.8 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-81%

Potential reduce by 298.6 kB

  • Original 367.3 kB
  • After minification 236.8 kB
  • After compression 68.7 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 298.6 kB or 81% of the original size.

CSS Optimization

-83%

Potential reduce by 98.4 kB

  • Original 118.9 kB
  • After minification 109.1 kB
  • After compression 20.6 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. Nts.go.kr needs all CSS files to be minified and compressed as it can save up to 98.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (4%)

Requests Now

229

After Optimization

220

  • Images
  • JavaScript
  • CSS

The browser has sent 229 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nts Go. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nts.go.kr

nts.go.kr

1771 ms

common_new15.css

common_new15.css

852 ms

jquery-1.7.2.js

jquery-1.7.2.js

2114 ms

jquery.carouFredSel-5.5.0-packed.js

jquery.carouFredSel-5.5.0-packed.js

1112 ms

common_new.js

common_new.js

732 ms

main_2015.js

main_2015.js

979 ms

CommInc_2015.js

CommInc_2015.js

1480 ms

layout_2015.css

layout_2015.css

210 ms

main_2015.css

main_2015.css

371 ms

sub_new.css

sub_new.css

420 ms

bg.jpg

bg.jpg

216 ms

repiaWordData.js

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1441 ms

rcmdWord_new.js

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217 ms

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3086 ms

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212 ms

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222 ms

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241 ms

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209 ms

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417 ms

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2740 ms

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4491 ms

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2991 ms

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3240 ms

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3301 ms

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1604 ms

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1684 ms

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1920 ms

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1998 ms

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1617 ms

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1655 ms

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1697 ms

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1747 ms

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1742 ms

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1756 ms

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1828 ms

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1790 ms

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1775 ms

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1713 ms

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1727 ms

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1568 ms

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1652 ms

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1599 ms

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1455 ms

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1500 ms

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1473 ms

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1495 ms

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1501 ms

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1472 ms

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1414 ms

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1494 ms

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1424 ms

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1426 ms

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1440 ms

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1429 ms

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1394 ms

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1426 ms

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1377 ms

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1390 ms

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1353 ms

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1373 ms

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1363 ms

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1405 ms

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1329 ms

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1374 ms

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1278 ms

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1270 ms

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1327 ms

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1356 ms

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1353 ms

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1351 ms

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1285 ms

Accessibility Review

nts.go.kr accessibility score

96

Accessibility Issues

ARIA

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.

Impact

Issue

High

ARIA input fields do not have accessible names

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.

Best Practices

nts.go.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

nts.go.kr SEO score

91

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

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 Nts.go.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 Nts.go.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

nts.go.kr

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