Tools & Wizards About Us
scn.jkn21.com screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    67% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

scn.jkn21.com

jkn21.com

Page Load Speed

3.8 sec in total

First Response

1.3 sec

Resources Loaded

2.4 sec

Page Rendered

137 ms

scn.jkn21.com screenshot

About Website

Visit scn.jkn21.com now to see the best up-to-date Scn Jkn 21 content for China and also check out these interesting facts you probably never knew about scn.jkn21.com

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Key Findings

We analyzed Scn.jkn21.com page load time and found that the first response time was 1.3 sec and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

scn.jkn21.com performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.219

57/100

15%

TTI (Time to Interactive)

Value6.3 s

61/100

10%

Network Requests Diagram

scn.jkn21.com

1280 ms

base.css

727 ms

default.js

372 ms

contact.js

561 ms

openWin.js

397 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that all of those requests were addressed to Scn.jkn21.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Scn.jkn21.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 36.5 kB (70%)

Content Size

52.1 kB

After Optimization

15.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Scn.jkn21.com main page is 52.1 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. HTML takes 16.6 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 12.0 kB

  • Original 16.6 kB
  • After minification 14.4 kB
  • After compression 4.6 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 2.2 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 12.0 kB or 72% of the original size.

Image Optimization

-11%

Potential reduce by 826 B

  • Original 7.3 kB
  • After minification 6.5 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, Scn Jkn 21 needs image optimization as it can save up to 826 B 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 10.4 kB

  • Original 12.8 kB
  • After minification 10.1 kB
  • After compression 2.4 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 10.4 kB or 81% of the original size.

CSS Optimization

-87%

Potential reduce by 13.3 kB

  • Original 15.3 kB
  • After minification 9.7 kB
  • After compression 2.0 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. Scn.jkn21.com needs all CSS files to be minified and compressed as it can save up to 13.3 kB or 87% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

13

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Scn Jkn 21. According to our analytics all requests are already optimized.

Network Requests Diagram

scn.jkn21.com

scn.jkn21.com

1280 ms

base.css

base.css

727 ms

default.js

default.js

372 ms

contact.js

contact.js

561 ms

openWin.js

openWin.js

397 ms

gecko.css

gecko.css

189 ms

info_logo.gif

info_logo.gif

189 ms

spacer.gif

spacer.gif

182 ms

triangle.gif

triangle.gif

185 ms

info_bnc.gif

info_bnc.gif

199 ms

info_wb.gif

info_wb.gif

189 ms

ico_cir_arrow_blue.gif

ico_cir_arrow_blue.gif

363 ms

ico_s_arrow_blue.gif

ico_s_arrow_blue.gif

367 ms

thumb02.jpg

thumb02.jpg

561 ms

Accessibility Review

scn.jkn21.com accessibility score

90

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

scn.jkn21.com 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

scn.jkn21.com SEO score

100

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Scn.jkn21.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese 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 Scn.jkn21.com main page’s claimed encoding is euc-jp. 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

scn.jkn21.com

Open Graph description is not detected on the main page of Scn Jkn 21. 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: