Tools & Wizards About Us
kelson-tech.net screenshot

Report Summary

  • 73

    Performance

    Renders faster than
    83% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

kelson-tech.net

lol下注|网站

Page Load Speed

23.7 sec in total

First Response

918 ms

Resources Loaded

21.2 sec

Page Rendered

1.6 sec

kelson-tech.net screenshot

About Website

Welcome to kelson-tech.net homepage info - get ready to check Kelson Tech best content right away, or after learning these important things about kelson-tech.net

Shenzhen Kelson Technology Co., Ltd

Visit kelson-tech.net

Key Findings

We analyzed Kelson-tech.net page load time and found that the first response time was 918 ms and then it took 22.7 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

kelson-tech.net performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

50/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value350 ms

73/100

30%

CLS (Cumulative Layout Shift)

Value0.063

97/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

kelson-tech.net

918 ms

style.css

421 ms

dd_belatedpng.min.js

624 ms

govicon.js

445 ms

logo.png

421 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 96% of them (68 requests) were addressed to the original Kelson-tech.net, 3% (2 requests) were made to Szcert.ebs.org.cn and 1% (1 request) were made to Int.dpool.sina.com.cn. The less responsive or slowest element that took the longest time to load (19.8 sec) relates to the external source Int.dpool.sina.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.4 MB (20%)

Content Size

12.2 MB

After Optimization

9.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kelson-tech.net main page is 12.2 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 12.2 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 37.0 kB

  • Original 43.1 kB
  • After minification 32.0 kB
  • After compression 6.1 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 11.0 kB, which is 26% 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 37.0 kB or 86% of the original size.

Image Optimization

-20%

Potential reduce by 2.4 MB

  • Original 12.2 MB
  • After minification 9.8 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, Kelson Tech needs image optimization as it can save up to 2.4 MB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-27%

Potential reduce by 1.3 kB

  • Original 4.7 kB
  • After minification 4.7 kB
  • After compression 3.5 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 1.3 kB or 27% of the original size.

CSS Optimization

-32%

Potential reduce by 1.4 kB

  • Original 4.5 kB
  • After minification 4.5 kB
  • After compression 3.0 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. Kelson-tech.net needs all CSS files to be minified and compressed as it can save up to 1.4 kB or 32% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

68

After Optimization

68

  • Images
  • JavaScript
  • CSS

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kelson Tech. According to our analytics all requests are already optimized.

Network Requests Diagram

kelson-tech.net

kelson-tech.net

918 ms

style.css

style.css

421 ms

dd_belatedpng.min.js

dd_belatedpng.min.js

624 ms

govicon.js

govicon.js

445 ms

logo.png

logo.png

421 ms

ico_lang_english.gif

ico_lang_english.gif

210 ms

201911151102054317.jpg

201911151102054317.jpg

1266 ms

20191115105858559.jpg

20191115105858559.jpg

1263 ms

201911151059273411.jpg

201911151059273411.jpg

1039 ms

201911151059344837.jpg

201911151059344837.jpg

1044 ms

201911151100149725.jpg

201911151100149725.jpg

1046 ms

ico_news_b.gif

ico_news_b.gif

631 ms

20180301152212195.png

20180301152212195.png

2535 ms

201512202150434494.jpg

201512202150434494.jpg

1877 ms

201803181916573565.jpg

201803181916573565.jpg

2090 ms

201810172317156272.jpg

201810172317156272.jpg

1465 ms

201809291258033121.jpg

201809291258033121.jpg

1686 ms

201809121703426207.jpg

201809121703426207.jpg

1901 ms

201805051941195289.jpg

201805051941195289.jpg

2305 ms

201805050947425820.jpg

201805050947425820.jpg

1899 ms

201805021627283189.jpg

201805021627283189.jpg

2296 ms

201606061245552998.jpg

201606061245552998.jpg

2320 ms

201603312336298472.jpg

201603312336298472.jpg

2117 ms

201606101157079019.jpg

201606101157079019.jpg

2300 ms

201606101141142312.jpg

201606101141142312.jpg

2329 ms

201512211539051677.jpg

201512211539051677.jpg

2525 ms

201512211456405486.jpg

201512211456405486.jpg

2527 ms

201603302033428850.jpg

201603302033428850.jpg

3985 ms

20190516194216860.png

20190516194216860.png

3328 ms

201905161939263914.png

201905161939263914.png

2544 ms

201905161949416302.png

201905161949416302.png

3322 ms

20190516193357250.png

20190516193357250.png

3528 ms

201905161928228971.jpg

201905161928228971.jpg

3326 ms

201809191145293548.jpg

201809191145293548.jpg

3326 ms

201809191142169639.jpg

201809191142169639.jpg

3534 ms

201809191139293198.jpg

201809191139293198.jpg

3538 ms

201809181742492927.jpg

201809181742492927.jpg

3540 ms

201809181737436650.jpg

201809181737436650.jpg

3539 ms

201809181730582125.jpg

201809181730582125.jpg

3724 ms

201809181612275377.jpg

201809181612275377.jpg

3715 ms

govIcon.gif

govIcon.gif

719 ms

iplookup.php

iplookup.php

19791 ms

201809181607293749.jpg

201809181607293749.jpg

3546 ms

201809181604245495.jpg

201809181604245495.jpg

3338 ms

201809181601288384.jpg

201809181601288384.jpg

3127 ms

govIcon.gif

govIcon.gif

928 ms

201809181559107763.jpg

201809181559107763.jpg

3138 ms

201803181856548734.jpg

201803181856548734.jpg

2926 ms

201802281441409736.jpg

201802281441409736.jpg

2933 ms

20181008105332556.jpg

20181008105332556.jpg

2713 ms

201807312329054205.jpg

201807312329054205.jpg

2921 ms

20180504205449557.jpg

20180504205449557.jpg

2716 ms

20180504204954116.jpg

20180504204954116.jpg

2502 ms

201805042041432843.jpg

201805042041432843.jpg

2311 ms

201803272051417304.jpg

201803272051417304.jpg

2298 ms

20180317225125311.jpg

20180317225125311.jpg

3140 ms

20180317223746798.jpg

20180317223746798.jpg

2952 ms

201803172232481113.jpg

201803172232481113.jpg

2927 ms

201802281503517196.jpg

201802281503517196.jpg

2748 ms

201802281501422188.jpg

201802281501422188.jpg

2744 ms

201802281447094308.jpg

201802281447094308.jpg

3572 ms

201802241606028020.jpg

201802241606028020.jpg

2932 ms

201703151648289225.jpg

201703151648289225.jpg

2922 ms

checkcode.asp

checkcode.asp

2730 ms

20131015022721298.jpg

20131015022721298.jpg

2728 ms

ico_skype.gif

ico_skype.gif

2723 ms

ico_faceback.gif

ico_faceback.gif

2928 ms

ico_tube.gif

ico_tube.gif

2150 ms

ico_twitter.gif

ico_twitter.gif

2147 ms

ico_google.gif

ico_google.gif

2147 ms

ico_paypal.gif

ico_paypal.gif

2148 ms

Accessibility Review

kelson-tech.net accessibility score

61

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

Document doesn't have a <title> element

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

kelson-tech.net best practices score

50

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Browser errors were logged to the console

SEO Factors

kelson-tech.net SEO score

50

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

Document doesn't have a <title> element

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kelson-tech.net can be misinterpreted by Google and other search engines. Our service has detected that English 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 Kelson-tech.net main page’s claimed encoding is gb2312. 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

kelson-tech.net

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