Report Summary

  • 0

    Performance

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

yb4.net

yabo资讯网 - 国际最大的体育足球新闻资讯分享平台

Page Load Speed

4.9 sec in total

First Response

484 ms

Resources Loaded

4.2 sec

Page Rendered

276 ms

yb4.net screenshot

About Website

Welcome to yb4.net homepage info - get ready to check Yb 4 best content right away, or after learning these important things about yb4.net

亚博资讯网(yabo888.com)是一个专业的体育足球资讯网站,提供及时、全面、准确的国际足球热点,呈现意甲、英超、西甲,欧冠等五大联赛的必发指数,必发交易量,凯利指数,热门指数,积分、赛程,提供欧冠最新赛况、视频、新闻,分享天下足球以及历史资料与数据等,内容更新准确,比分最快的足球网站平台。

Visit yb4.net

Key Findings

We analyzed Yb4.net page load time and found that the first response time was 484 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

yb4.net performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value0

0/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value0

0/100

10%

Network Requests Diagram

yb4.net

484 ms

style.css

53 ms

tab.js

61 ms

jiaodian.js

58 ms

ad_js.php

60 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 84% of them (49 requests) were addressed to the original Yb4.net, 9% (5 requests) were made to Bdimg.share.baidu.com and 3% (2 requests) were made to Static.duoshuo.com. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source Hm.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 96.7 kB (33%)

Content Size

296.1 kB

After Optimization

199.4 kB

In fact, the total size of Yb4.net main page is 296.1 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 170.3 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 32.1 kB

  • Original 44.0 kB
  • After minification 41.5 kB
  • After compression 11.9 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 32.1 kB or 73% of the original size.

Image Optimization

-4%

Potential reduce by 6.8 kB

  • Original 170.3 kB
  • After minification 163.4 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. Yb 4 images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 24.9 kB

  • Original 40.4 kB
  • After minification 40.3 kB
  • After compression 15.4 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 24.9 kB or 62% of the original size.

CSS Optimization

-79%

Potential reduce by 32.8 kB

  • Original 41.5 kB
  • After minification 35.9 kB
  • After compression 8.7 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. Yb4.net needs all CSS files to be minified and compressed as it can save up to 32.8 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (31%)

Requests Now

49

After Optimization

34

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yb 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 8 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

yb4.net accessibility score

71

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

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

yb4.net best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

yb4.net SEO score

81

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

    N/A

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Yb4.net 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) and no language is claimed in <html> or <meta> tags either. Our system also found out that Yb4.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

Open Graph description is not detected on the main page of Yb 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: