Tools & Wizards About Us
zc181.com screenshot

Report Summary

  • 77

    Performance

    Renders faster than
    85% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

zc181.com

分类信息网站大全_免费的网络推广平台 - 181信息网

Page Load Speed

14 sec in total

First Response

3.6 sec

Resources Loaded

10.1 sec

Page Rendered

274 ms

zc181.com screenshot

About Website

Click here to check amazing Zc 181 content for United States. Otherwise, check out these important facts you probably never knew about zc181.com

欢迎访问分类信息网站大全—181信息网，这里有各行业信息网/B2B电子商务网站，是最方便的免费网络推广平台，已成为无数商家网络营销/网络推广的首选网站！

Visit zc181.com

Key Findings

We analyzed Zc181.com page load time and found that the first response time was 3.6 sec and then it took 10.4 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

zc181.com performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

90/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value7.1 s

30/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

zc181.com

3577 ms

style.css

1007 ms

come.js

651 ms

sc.js

667 ms

jz.js

839 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 75% of them (41 requests) were addressed to the original Zc181.com, 11% (6 requests) were made to Bdimg.share.baidu.com and 7% (4 requests) were made to Tgbqr.com. The less responsive or slowest element that took the longest time to load (4.2 sec) relates to the external source Tgbqr.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 143.7 kB (22%)

Content Size

661.5 kB

After Optimization

517.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zc181.com main page is 661.5 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 477.1 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 84.7 kB

  • Original 127.9 kB
  • After minification 126.7 kB
  • After compression 43.2 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 84.7 kB or 66% of the original size.

Image Optimization

-5%

Potential reduce by 22.7 kB

  • Original 477.1 kB
  • After minification 454.4 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. Zc 181 images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 23.8 kB

  • Original 38.3 kB
  • After minification 37.8 kB
  • After compression 14.5 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 23.8 kB or 62% of the original size.

CSS Optimization

-69%

Potential reduce by 12.6 kB

  • Original 18.3 kB
  • After minification 16.0 kB
  • After compression 5.7 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. Zc181.com needs all CSS files to be minified and compressed as it can save up to 12.6 kB or 69% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (45%)

Requests Now

53

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zc 181. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zc181.com

zc181.com

3577 ms

style.css

style.css

1007 ms

come.js

come.js

651 ms

sc.js

sc.js

667 ms

jz.js

jz.js

839 ms

body_bg.jpg

body_bg.jpg

313 ms

come.asp

come.asp

367 ms

head_bg.jpg

head_bg.jpg

323 ms

logo1.gif

logo1.gif

425 ms

xin.gif

xin.gif

625 ms

re.gif

re.gif

626 ms

navtab.jpg

navtab.jpg

627 ms

style.css

style.css

683 ms

search_btn.png

search_btn.png

832 ms

main_bg.gif

main_bg.gif

851 ms

news.html

news.html

914 ms

mbad.jpg

mbad.jpg

2572 ms

sidebar1.gif

sidebar1.gif

911 ms

sidebar2.gif

sidebar2.gif

986 ms

pics01.gif

pics01.gif

1233 ms

sqjr_btn.gif

sqjr_btn.gif

1128 ms

listbgs.gif

listbgs.gif

1202 ms

urlbg1.gif

urlbg1.gif

1232 ms

shell_v2.js

shell_v2.js

434 ms

listbgs2.gif

listbgs2.gif

1313 ms

rightbox2dtbg.gif

rightbox2dtbg.gif

1444 ms

morebg.gif

morebg.gif

1510 ms

bds_s_v2.js

bds_s_v2.js

721 ms

qf1.js

qf1.js

4244 ms

1.js

1.js

3207 ms

style.css

style.css

767 ms

newsjs.asp

newsjs.asp

699 ms

bdsstyle.css

bdsstyle.css

244 ms

getnum

getnum

904 ms

is_32.png

is_32.png

1091 ms

sc.png

sc.png

523 ms

9927.jpg

9927.jpg

718 ms

20150118.jpg

20150118.jpg

657 ms

20160227.jpg

20160227.jpg

919 ms

20140806.jpg

20140806.jpg

869 ms

20140905.jpg

20140905.jpg

1155 ms

20140730.jpg

20140730.jpg

419 ms

cc.jpg

cc.jpg

745 ms

201603021.jpg

201603021.jpg

1450 ms

20160302.jpg

20160302.jpg

2415 ms

tbmb.jpg

tbmb.jpg

1415 ms

foot_bg.gif

foot_bg.gif

1449 ms

h.js

h.js

1050 ms

hm.gif

hm.gif

352 ms

tgbqr200.jpg

tgbqr200.jpg

1320 ms

qqqunfa200.jpg

qqqunfa200.jpg

2283 ms

jwz.jpg

jwz.jpg

1401 ms

sysc.asp

sysc.asp

457 ms

logger.js

logger.js

248 ms

css.css

css.css

314 ms

Accessibility Review

zc181.com accessibility score

51

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.

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

<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

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

zc181.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

zc181.com SEO score

62

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

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

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 Zc181.com 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 Zc181.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

zc181.com

Open Graph description is not detected on the main page of Zc 181. 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: