Tools & Wizards About Us
zw.cn screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    53% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

zw.cn

域名注册_网站建站_企业邮箱_网络推广_商标注册_专业互联网基础服务提供商-中万网络

Page Load Speed

14.1 sec in total

First Response

753 ms

Resources Loaded

13 sec

Page Rendered

355 ms

zw.cn screenshot

About Website

Visit zw.cn now to see the best up-to-date Zw content for China and also check out these interesting facts you probably never knew about zw.cn

中万网络成立于2007年,荣获CNNIC和ICANN双认证顶级域名注册商,服务众多知名品牌企业.中万网络提供域名注册,网站建设,网站认证,企业邮箱,网络推广,商标注册,软著申请,、ssl证书等一站式信息化产品服务。

Visit zw.cn

Key Findings

We analyzed Zw.cn page load time and found that the first response time was 753 ms and then it took 13.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

zw.cn performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

36/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value13.4 s

2/100

10%

TBT (Total Blocking Time)

Value680 ms

44/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value15.2 s

7/100

10%

Network Requests Diagram

zw.cn

753 ms

www.zw.cn

2500 ms

jquery-1.11.3.min.js

1451 ms

bootstrap.min.js

1232 ms

Marquee.js

1028 ms

Our browser made a total of 97 requests to load all elements on the main page. We found that 94% of them (91 requests) were addressed to the original Zw.cn, 2% (2 requests) were made to Hm.baidu.com and 1% (1 request) were made to Hmcdn.baidu.com. The less responsive or slowest element that took the longest time to load (5.5 sec) belongs to the original domain Zw.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 115.6 kB (3%)

Content Size

4.0 MB

After Optimization

3.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zw.cn main page is 4.0 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. 45% of websites need less resources to load. Images take 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 57.0 kB

  • Original 72.3 kB
  • After minification 62.0 kB
  • After compression 15.3 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 10.3 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 57.0 kB or 79% of the original size.

Image Optimization

-1%

Potential reduce by 35.8 kB

  • Original 3.5 MB
  • After minification 3.5 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. Zw images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 16.5 kB

  • Original 310.2 kB
  • After minification 307.8 kB
  • After compression 293.6 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.

CSS Optimization

-11%

Potential reduce by 6.3 kB

  • Original 56.9 kB
  • After minification 56.9 kB
  • After compression 50.6 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. Zw.cn needs all CSS files to be minified and compressed as it can save up to 6.3 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (27%)

Requests Now

95

After Optimization

69

  • Images
  • JavaScript
  • CSS

The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zw. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zw.cn

zw.cn

753 ms

www.zw.cn

www.zw.cn

2500 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

1451 ms

bootstrap.min.js

bootstrap.min.js

1232 ms

Marquee.js

Marquee.js

1028 ms

zw.js

zw.js

1024 ms

swiper-3.4.2.min.js

swiper-3.4.2.min.js

1443 ms

swiper-3.4.2.min.css

swiper-3.4.2.min.css

969 ms

base.css

base.css

1291 ms

module.css

module.css

1738 ms

loginmethod.js

loginmethod.js

1298 ms

kefu.js

kefu.js

1036 ms

plugins.js

plugins.js

1335 ms

toolbar.js

toolbar.js

899 ms

bootstrap.min.css

bootstrap.min.css

256 ms

owl.carousel.css

owl.carousel.css

339 ms

21.gif

21.gif

1674 ms

ico.png

ico.png

346 ms

logo.png

logo.png

351 ms

icon_32.png

icon_32.png

375 ms

aqlm.png

aqlm.png

584 ms

zjz.png

zjz.png

559 ms

close.gif

close.gif

357 ms

ad-01.jpg

ad-01.jpg

592 ms

softcopy.jpg

softcopy.jpg

806 ms

ipv6.jpg

ipv6.jpg

816 ms

trademark.jpg

trademark.jpg

822 ms

prev.png

prev.png

810 ms

next.png

next.png

826 ms

icon_01.png

icon_01.png

818 ms

icon_02.png

icon_02.png

1099 ms

icon_03.png

icon_03.png

1111 ms

icon_09.png

icon_09.png

1101 ms

icon_05.png

icon_05.png

1118 ms

icon_06.png

icon_06.png

1114 ms

wangzhidl.jpg

wangzhidl.jpg

1114 ms

cnnic_icann.jpg

cnnic_icann.jpg

1325 ms

ad-05.jpg

ad-05.jpg

1333 ms

choose_01.png

choose_01.png

1337 ms

choose_02.png

choose_02.png

1474 ms

choose_03.png

choose_03.png

1481 ms

choose_04.png

choose_04.png

1477 ms

01.png

01.png

1637 ms

02.png

02.png

1642 ms

03.png

03.png

1639 ms

04.png

04.png

1701 ms

05.png

05.png

1708 ms

06.png

06.png

1716 ms

07.png

07.png

1900 ms

08.png

08.png

1909 ms

09.png

09.png

1911 ms

10.png

10.png

2018 ms

jsencrypt.min.js

jsencrypt.min.js

2022 ms

11.png

11.png

1679 ms

12.png

12.png

1816 ms

13.png

13.png

1814 ms

14.png

14.png

1793 ms

15.png

15.png

1735 ms

16.png

16.png

1717 ms

17.png

17.png

1705 ms

close.png

close.png

1608 ms

cnnic.png

cnnic.png

1609 ms

cxlogos.jpg

cxlogos.jpg

1601 ms

xyqy.png

xyqy.png

1756 ms

cnnic.gif

cnnic.gif

1759 ms

reglogo.gif

reglogo.gif

1751 ms

wlshzx.jpg

wlshzx.jpg

1643 ms

2024-5.jpg

2024-5.jpg

3938 ms

cn_active.jpg

cn_active.jpg

3935 ms

indexssl.jpg

indexssl.jpg

1221 ms

website_build02.jpg

website_build02.jpg

4077 ms

ruanzhu.png

ruanzhu.png

3511 ms

ipv6sfwz.jpg

ipv6sfwz.jpg

3305 ms

indexppbh.jpg

indexppbh.jpg

4331 ms

indexdns.jpg

indexdns.jpg

5515 ms

lbrz_banner.jpg

lbrz_banner.jpg

4178 ms

search-bg.gif

search-bg.gif

4169 ms

domain_l.png

domain_l.png

4171 ms

baohu.png

baohu.png

4375 ms

hill.png

hill.png

4368 ms

domain.jpg

domain.jpg

4364 ms

arrow-r.png

arrow-r.png

4421 ms

ipv6hd.jpg

ipv6hd.jpg

4809 ms

sllcpt.jpg

sllcpt.jpg

4594 ms

indexyzsrz.jpg

indexyzsrz.jpg

4814 ms

line-b.png

line-b.png

4605 ms

line-b-six.png

line-b-six.png

4724 ms

website_ad.jpg

website_ad.jpg

4852 ms

foot_code.gif

foot_code.gif

4856 ms

hm.js

hm.js

1398 ms

kefu.css

kefu.css

4897 ms

hm.gif

hm.gif

301 ms

b.js

b.js

1361 ms

foot_code2.gif

foot_code2.gif

3642 ms

affim.js

affim.js

1966 ms

push.js

push.js

1264 ms

kficon.png

kficon.png

245 ms

Accessibility Review

zw.cn accessibility score

76

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

zw.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

zw.cn SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zw.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 Zw.cn main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

zw.cn

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