Tools & Wizards About Us
bzz.cn screenshot

Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 48

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

bzz.cn

创新锐智--提供虚拟主机、域名注册、域名申请、企业邮局、空间、服务器租用、论坛主机、主机托管、网站建设

Page Load Speed

48.7 sec in total

First Response

1.6 sec

Resources Loaded

46.7 sec

Page Rendered

411 ms

bzz.cn screenshot

About Website

Click here to check amazing Bzz content. Otherwise, check out these important facts you probably never knew about bzz.cn

Visit bzz.cn

Key Findings

We analyzed Bzz.cn page load time and found that the first response time was 1.6 sec and then it took 47.1 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 were 4 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

bzz.cn performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

94/100

25%

SI (Speed Index)

Value5.6 s

54/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value1.5 s

100/100

10%

Network Requests Diagram

bzz.cn

1591 ms

index.asp

18262 ms

css.css

19955 ms

logo1.jpg

8052 ms

tel2.jpg

17891 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 74% of them (25 requests) were addressed to the original Bzz.cn, 15% (5 requests) were made to Skin.54kefu.net and 6% (2 requests) were made to Code2.54kefu.net. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain Bzz.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 65.9 kB (76%)

Content Size

86.5 kB

After Optimization

20.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bzz.cn main page is 86.5 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. HTML takes 58.0 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 51.3 kB

  • Original 58.0 kB
  • After minification 37.9 kB
  • After compression 6.6 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 20.1 kB, which is 35% 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 51.3 kB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 42 B

  • Original 9.3 kB
  • After minification 9.3 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. Bzz images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 12.1 kB

  • Original 16.2 kB
  • After minification 13.2 kB
  • After compression 4.0 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 12.1 kB or 75% of the original size.

CSS Optimization

-78%

Potential reduce by 2.4 kB

  • Original 3.0 kB
  • After minification 2.5 kB
  • After compression 670 B

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. Bzz.cn needs all CSS files to be minified and compressed as it can save up to 2.4 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (64%)

Requests Now

28

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bzz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

bzz.cn

bzz.cn

1591 ms

index.asp

index.asp

18262 ms

css.css

css.css

19955 ms

logo1.jpg

logo1.jpg

8052 ms

tel2.jpg

tel2.jpg

17891 ms

pcheck.js

pcheck.js

12032 ms

jquery.js

jquery.js

19564 ms

Domain_Search.js

Domain_Search.js

19564 ms

495086.js

495086.js

2205 ms

RndCode.asp

RndCode.asp

440 ms

dl_btn.jpg

dl_btn.jpg

3066 ms

bbb.gif

bbb.gif

3172 ms

zj_tp.gif

zj_tp.gif

4281 ms

product1_button1.jpg

product1_button1.jpg

5188 ms

product1_button2.jpg

product1_button2.jpg

4806 ms

sjk_ico.jpg

sjk_ico.jpg

17504 ms

sjk_tp1.gif

sjk_tp1.gif

5600 ms

xq_button.gif

xq_button.gif

5241 ms

sjk_tp2.gif

sjk_tp2.gif

8690 ms

yzj_ico.jpg

yzj_ico.jpg

9838 ms

small_cloud.gif

small_cloud.gif

10174 ms

logo.gif

logo.gif

19984 ms

footerImg02.jpg

footerImg02.jpg

11201 ms

footerImg03.jpg

footerImg03.jpg

13560 ms

724.gif

724.gif

16855 ms

icp.gif

icp.gif

15203 ms

getonline

getonline

15515 ms

url.js

url.js

6841 ms

495086_code.js

495086_code.js

1374 ms

skin.css

skin.css

1331 ms

top.gif

top.gif

1327 ms

1_f.gif

1_f.gif

1351 ms

bottom.gif

bottom.gif

1382 ms

r.gif

r.gif

542 ms

Accessibility Review

bzz.cn accessibility score

48

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

High

<object> elements do not have alternate text

Best Practices

bzz.cn best practices score

58

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

bzz.cn 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

Image elements do not have [alt] attributes

High

Document uses plugins

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

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

bzz.cn

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