Tools & Wizards About Us
kby4.com screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

kby4.com

yl23411永利(中国)股份有限公司

Page Load Speed

22.7 sec in total

First Response

237 ms

Resources Loaded

22.1 sec

Page Rendered

292 ms

kby4.com screenshot

About Website

Visit kby4.com now to see the best up-to-date Kby 4 content and also check out these interesting facts you probably never knew about kby4.com

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Visit kby4.com

Key Findings

We analyzed Kby4.com page load time and found that the first response time was 237 ms and then it took 22.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

kby4.com performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value12.1 s

3/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.532

14/100

15%

TTI (Time to Interactive)

Value11.5 s

18/100

10%

Network Requests Diagram

kby4.com

237 ms

www.kby4.com

294 ms

jquery.min.js

131 ms

huilan-jquery-ui.css

212 ms

huilan-jquery-ui.js

320 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 21% of them (16 requests) were addressed to the original Kby4.com, 51% (39 requests) were made to Jyvtc.edu.cn and 13% (10 requests) were made to Tp.xinxiyidiantong.com. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source Jyvtc.edu.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.9 MB (26%)

Content Size

11.4 MB

After Optimization

8.4 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Kby4.com main page is 11.4 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. 50% of websites need less resources to load. Images take 11.2 MB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 3.1 kB

  • Original 4.5 kB
  • After minification 4.4 kB
  • After compression 1.4 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 3.1 kB or 69% of the original size.

Image Optimization

-26%

Potential reduce by 2.9 MB

  • Original 11.2 MB
  • After minification 8.3 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, Kby 4 needs image optimization as it can save up to 2.9 MB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 3.0 kB

  • Original 128.4 kB
  • After minification 127.7 kB
  • After compression 125.4 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 19 (27%)

Requests Now

71

After Optimization

52

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kby 4. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kby4.com

kby4.com

237 ms

www.kby4.com

www.kby4.com

294 ms

jquery.min.js

jquery.min.js

131 ms

huilan-jquery-ui.css

huilan-jquery-ui.css

212 ms

huilan-jquery-ui.js

huilan-jquery-ui.js

320 ms

jyvtc.css

jyvtc.css

193 ms

jyvtc.js

jyvtc.js

159 ms

skin.css

skin.css

136 ms

chanelCounting.js

chanelCounting.js

226 ms

animate.min.css

animate.min.css

239 ms

wow.min.js

wow.min.js

248 ms

jquery.SuperSlide.2.1.1.js

jquery.SuperSlide.2.1.1.js

265 ms

jquery1.42.min.js

jquery1.42.min.js

320 ms

jsSdk.min.js

jsSdk.min.js

1841 ms

mapper.js

mapper.js

1233 ms

zh-CN.js

zh-CN.js

1235 ms

mapper.js

mapper.js

1235 ms

zh-CN.js

zh-CN.js

1233 ms

sj.js

sj.js

961 ms

fcl.php

fcl.php

958 ms

default.css

default.css

92 ms

layer.css

layer.css

126 ms

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4431 ms

jquery.la.min.js

jquery.la.min.js

63 ms

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3888 ms

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3602 ms

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5441 ms

js-sdk-pro.min.js

js-sdk-pro.min.js

8 ms

tj.js

tj.js

287 ms

collect

collect

860 ms

collect

collect

884 ms

Accessibility Review

kby4.com accessibility score

45

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

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

kby4.com best practices score

67

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

High

Browser errors were logged to the console

SEO Factors

kby4.com SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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 uses legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kby4.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Kby4.com main page’s claimed encoding is . 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

kby4.com

Open Graph description is not detected on the main page of Kby 4. 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: