Access byby021.com. BWIN·必赢 | 中国唯一官方网站

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.812

4/100

15%

TTI (Time to Interactive)

Value3.4 s

93/100

10%

byby021.com

760 ms

www.ahcjyy120.com

2659 ms

jp-index.css

691 ms

jp-default.js

445 ms

changimages.js

448 ms

Our browser made a total of 104 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Byby021.com, 95% (99 requests) were made to Ahcjyy120.com and 2% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (2.7 sec) relates to the external source Pbt.zoosnet.net.

Content Size

1.2 MB

After Optimization

888.3 kB

In fact, the total size of Byby021.com main page is 1.2 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. 35% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 82.3 kB

Original 98.2 kB
After minification 87.5 kB
After compression 16.0 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 10.7 kB, which is 11% 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 82.3 kB or 84% of the original size.

Image Optimization

-18%

Potential reduce by 188.8 kB

Original 1.0 MB
After minification 854.9 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, Byby 021 needs image optimization as it can save up to 188.8 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-77%

Potential reduce by 42.2 kB

Original 54.6 kB
After minification 48.1 kB
After compression 12.4 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 42.2 kB or 77% of the original size.

CSS Optimization

-81%

Potential reduce by 21.4 kB

Original 26.3 kB
After minification 24.7 kB
After compression 5.0 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. Byby021.com needs all CSS files to be minified and compressed as it can save up to 21.4 kB or 81% of the original size.

Requests Now

100

After Optimization

The browser has sent 100 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Byby 021. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Definition list items are not wrapped in <dl> elements

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

High

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

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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

N/A
Encoding

GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Byby021.com 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 Byby021.com 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

byby021.com

Open Graph description is not detected on the main page of Byby 021. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

BWIN·必赢 | 中国唯一官方网站

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

byby021.com

www.ahcjyy120.com

jp-index.css

jp-default.js

changimages.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

byby021.com

www.ahcjyy120.com

jp-index.css

jp-default.js

changimages.js

jquery.js

scrollpic.js

gg-29.js

indexFlash.js

gg-4.js

gg-5.js

gg-6.js

gg-30.js

gg-32.js

gg-39.js

gg-40.js

left_swt.js

jp-base.css

body_bg.jpg

banner-021.jpg

nav_bg.jpg

nav_l.jpg

nav_c.jpg

navline.jpg

nav_r.jpg

subnav_bg.jpg

jbcxline.jpg

searchbg.jpg

36_01041126163210.jpg

18_0H01641524320.jpg

18_0G915222R033.jpg

box4_btn.jpg

box4_btn1.jpg

43.jpg

48.jpg

66.jpg

79.jpg

11.jpg

12.jpg

13.jpg

14.jpg

s_btn.jpg

s_btn1.jpg