Access tool.nciku.cn.

Report Summary

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value700 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0.137

79/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

tool.nciku.cn

495 ms

753 ms

vendor.184beb7920b0978b1ab2.js

72 ms

app-common.23991b8e386d0df958a6.js

88 ms

main.23991b8e386d0df958a6.js

111 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that 11% of them (1 request) were addressed to the original Tool.nciku.cn, 78% (7 requests) were made to Ssl.pstatic.net and 11% (1 request) were made to English.dict.naver.com. The less responsive or slowest element that took the longest time to load (753 ms) relates to the external source English.dict.naver.com.

Content Size

1.3 MB

After Optimization

381.3 kB

In fact, the total size of Tool.nciku.cn main page is 1.3 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. 25% of websites need less resources to load. Javascripts take 942.3 kB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 28.6 kB

Original 31.1 kB
After minification 31.1 kB
After compression 2.5 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 28.6 kB or 92% of the original size.

JavaScript Optimization

-70%

Potential reduce by 657.2 kB

Original 942.3 kB
After minification 942.3 kB
After compression 285.0 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 657.2 kB or 70% of the original size.

CSS Optimization

-74%

Potential reduce by 261.1 kB

Original 354.9 kB
After minification 318.4 kB
After compression 93.8 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. Tool.nciku.cn needs all CSS files to be minified and compressed as it can save up to 261.1 kB or 74% of the original size.

Requests Now

After Optimization

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

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Search Engine Optimization Advices

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

High

Links are not crawlable

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

Language and Encoding

Language Detected

N/A
Language Claimed

KO
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tool.nciku.cn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Korean. Our system also found out that Tool.nciku.cn 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 Tool Nciku. 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: