Tools & Wizards About Us
400zn.com screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    72% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

400zn.com

400电话申请|400电话怎么申请-大府集团 400网上营业厅

Page Load Speed

56 sec in total

First Response

3.7 sec

Resources Loaded

52 sec

Page Rendered

266 ms

400zn.com screenshot

About Website

Visit 400zn.com now to see the best up-to-date 400 Zn content for China and also check out these interesting facts you probably never knew about 400zn.com

400电话怎么申请?大府集团是400电话申请办理专业服务商,中国移动、联通、电信战略合作伙伴,请致电我们400电话营业厅:【400-699-0555】

Visit 400zn.com

Key Findings

We analyzed 400zn.com page load time and found that the first response time was 3.7 sec and then it took 52.3 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 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

400zn.com performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

31/100

25%

SI (Speed Index)

Value22.8 s

0/100

10%

TBT (Total Blocking Time)

Value350 ms

73/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value16.9 s

5/100

10%

Network Requests Diagram

400zn.com

3679 ms

style.css

853 ms

pages.css

867 ms

jbox.css

869 ms

jquery.min.js

3974 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 63% of them (46 requests) were addressed to the original 400zn.com, 8% (6 requests) were made to Bdimg.share.baidu.com and 8% (6 requests) were made to Www17.53kf.com. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Www17.53kf.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 240.1 kB (20%)

Content Size

1.2 MB

After Optimization

942.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 400zn.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. 20% of websites need less resources to load. Images take 875.1 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 20.5 kB

  • Original 27.8 kB
  • After minification 24.5 kB
  • After compression 7.4 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 3.3 kB, which is 12% 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 20.5 kB or 74% of the original size.

Image Optimization

-4%

Potential reduce by 32.1 kB

  • Original 875.1 kB
  • After minification 843.0 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. 400 Zn images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 177.0 kB

  • Original 262.7 kB
  • After minification 246.5 kB
  • After compression 85.7 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 177.0 kB or 67% of the original size.

CSS Optimization

-64%

Potential reduce by 10.6 kB

  • Original 16.6 kB
  • After minification 14.9 kB
  • After compression 5.9 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. 400zn.com needs all CSS files to be minified and compressed as it can save up to 10.6 kB or 64% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (32%)

Requests Now

65

After Optimization

44

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 400 Zn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

400zn.com

400zn.com

3679 ms

style.css

style.css

853 ms

pages.css

pages.css

867 ms

jbox.css

jbox.css

869 ms

jquery.min.js

jquery.min.js

3974 ms

web.js

web.js

1875 ms

baojs.js

baojs.js

1138 ms

jquery.js

jquery.js

7623 ms

jquery.jBox.src.js

jquery.jBox.src.js

4088 ms

jquery.jBox-zh-CN.js

jquery.jBox-zh-CN.js

1778 ms

mobel.js

mobel.js

1786 ms

check53.js

check53.js

1233 ms

zixunzhuanhua.js

zixunzhuanhua.js

1245 ms

baiducount.js

baiducount.js

728 ms

chack.js

chack.js

1088 ms

logo.jpg

logo.jpg

2761 ms

tel.jpg

tel.jpg

702 ms

1359428598l017509315.jpg

1359428598l017509315.jpg

14347 ms

1359540316l576607199.jpg

1359540316l576607199.jpg

16442 ms

1359540338l452959611.jpg

1359540338l452959611.jpg

13712 ms

1359540301l349576287.jpg

1359540301l349576287.jpg

12969 ms

tel2.jpg

tel2.jpg

2460 ms

1359429119l049336414.png

1359429119l049336414.png

8705 ms

1359429166l378099017.png

1359429166l378099017.png

6547 ms

1359429500l062657308.png

1359429500l062657308.png

11799 ms

1359429837l213723940.png

1359429837l213723940.png

11556 ms

wiexin.jpg

wiexin.jpg

14030 ms

left.png

left.png

12111 ms

right.png

right.png

12413 ms

1359430633l736477850.jpg

1359430633l736477850.jpg

13647 ms

1359430658l829879664.jpg

1359430658l829879664.jpg

13299 ms

1359430683l821310762.jpg

1359430683l821310762.jpg

14038 ms

1359430708l372023034.jpg

1359430708l372023034.jpg

13920 ms

1359430730l923147679.jpg

1359430730l923147679.jpg

14035 ms

1359430761l167993450.jpg

1359430761l167993450.jpg

14226 ms

1359430798l091542571.jpg

1359430798l091542571.jpg

14328 ms

1359430820l119788670.jpg

1359430820l119788670.jpg

14331 ms

z_stat.php

z_stat.php

2387 ms

stat.htm

stat.htm

195 ms

core.php

core.php

1053 ms

9.gif

9.gif

2148 ms

stat.php

stat.php

2395 ms

img_e.php

img_e.php

2376 ms

app.gif

app.gif

1090 ms

g.php

g.php

2918 ms

ggg.php

ggg.php

1826 ms

nav_bg.jpg

nav_bg.jpg

8496 ms

hover.jpg

hover.jpg

8714 ms

bg01.jpg

bg01.jpg

8759 ms

flash_bg.jpg

flash_bg.jpg

10064 ms

mask.png

mask.png

9939 ms

bg02.jpg

bg02.jpg

8818 ms

list.png

list.png

9036 ms

footer_bg.jpg

footer_bg.jpg

9143 ms

shell_v2.js

shell_v2.js

697 ms

coupon_window.png

coupon_window.png

12817 ms

kf.php

kf.php

4947 ms

bds_s_v2.js

bds_s_v2.js

1674 ms

bhgetdata.aspx

bhgetdata.aspx

10550 ms

bdsstyle.css

bdsstyle.css

337 ms

getnum

getnum

779 ms

is.png

is.png

990 ms

sc.png

sc.png

656 ms

sendacc.jsp

sendacc.jsp

1426 ms

kf_new.php

kf_new.php

10768 ms

hm.js

hm.js

692 ms

logger.js

logger.js

2509 ms

hm.gif

hm.gif

360 ms

kf_ivt_new.php

kf_ivt_new.php

20454 ms

stat.php

stat.php

20451 ms

clickbtn_4.png

clickbtn_4.png

1525 ms

icon_off_90076331440142953.png

icon_off_90076331440142953.png

10424 ms

icon_off_90076331440152017.png

icon_off_90076331440152017.png

8559 ms

Accessibility Review

400zn.com accessibility score

60

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.

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

Links do not have a discernible name

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

400zn.com 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

High

Missing source maps for large first-party JavaScript

SEO Factors

400zn.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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 400zn.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 400zn.com 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

400zn.com

Open Graph description is not detected on the main page of 400 Zn. 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: