Report Summary

  • 71

    Performance

    Renders faster than
    82% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

china-bbt.com.cn

www.china-bbt.com.cn-官网首页

Page Load Speed

52.7 sec in total

First Response

3.6 sec

Resources Loaded

48.8 sec

Page Rendered

374 ms

china-bbt.com.cn screenshot

About Website

Visit china-bbt.com.cn now to see the best up-to-date China Bbt content and also check out these interesting facts you probably never knew about china-bbt.com.cn

北京半边天洗衣连锁有限公司-06-18年记录-qyba

Visit china-bbt.com.cn

Key Findings

We analyzed China-bbt.com.cn page load time and found that the first response time was 3.6 sec and then it took 49.2 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 16 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

china-bbt.com.cn performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

74/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.447

20/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

china-bbt.com.cn

3568 ms

index.html

2678 ms

css.css

1633 ms

nav.css

983 ms

jquery-1.9.1.min.js

18368 ms

Our browser made a total of 99 requests to load all elements on the main page. We found that 70% of them (69 requests) were addressed to the original China-bbt.com.cn, 15% (15 requests) were made to Qiao.baidu.com and 5% (5 requests) were made to P7.qiao.baidu.com. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain China-bbt.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 195.1 kB (46%)

Content Size

423.9 kB

After Optimization

228.8 kB

In fact, the total size of China-bbt.com.cn main page is 423.9 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. 25% of websites need less resources to load. Images take 186.7 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 42.0 kB

  • Original 53.0 kB
  • After minification 45.4 kB
  • After compression 11.0 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 7.5 kB, which is 14% 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 42.0 kB or 79% of the original size.

Image Optimization

-10%

Potential reduce by 19.5 kB

  • Original 186.7 kB
  • After minification 167.2 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. China Bbt images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 86.7 kB

  • Original 127.3 kB
  • After minification 123.4 kB
  • After compression 40.5 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 86.7 kB or 68% of the original size.

CSS Optimization

-82%

Potential reduce by 46.9 kB

  • Original 57.0 kB
  • After minification 44.6 kB
  • After compression 10.1 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. China-bbt.com.cn needs all CSS files to be minified and compressed as it can save up to 46.9 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (25%)

Requests Now

80

After Optimization

60

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of China Bbt. 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 from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

china-bbt.com.cn accessibility score

64

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.

Tables and lists

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

Impact

Issue

High

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

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

china-bbt.com.cn 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

SEO Factors

china-bbt.com.cn SEO score

92

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

    EN

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise China-bbt.com.cn 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 China-bbt.com.cn 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 China Bbt. 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: