Tools & Wizards About Us
51zupu.com screenshot

Report Summary

  • 79

    Performance

    Renders faster than
    86% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

51zupu.com

www.51zupu.com-官网首页

Page Load Speed

98.1 sec in total

First Response

13 sec

Resources Loaded

84.3 sec

Page Rendered

724 ms

51zupu.com screenshot

About Website

Visit 51zupu.com now to see the best up-to-date 51 Zupu content and also check out these interesting facts you probably never knew about 51zupu.com

我要租铺网-08-20年记录-历史百度权重4-桔子高评分-外链超多

Visit 51zupu.com

Key Findings

We analyzed 51zupu.com page load time and found that the first response time was 13 sec and then it took 85 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 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

51zupu.com performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

66/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value4.2 s

86/100

10%

Network Requests Diagram

51zupu.com

13032 ms

www.51zupu.com

7502 ms

m.js

993 ms

base.css

4363 ms

zhaozu.css

1301 ms

Our browser made a total of 153 requests to load all elements on the main page. We found that 12% of them (18 requests) were addressed to the original 51zupu.com, 32% (49 requests) were made to Img.51zupu.com and 22% (33 requests) were made to Ubmcmm.baidustatic.com. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source Zx.51zupu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 653.0 kB (36%)

Content Size

1.8 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 51zupu.com main page is 1.8 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 986.8 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 307.1 kB

  • Original 347.5 kB
  • After minification 283.5 kB
  • After compression 40.4 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 64.0 kB, which is 18% 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 307.1 kB or 88% of the original size.

Image Optimization

-3%

Potential reduce by 31.9 kB

  • Original 986.8 kB
  • After minification 955.0 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. 51 Zupu images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 248.6 kB

  • Original 391.1 kB
  • After minification 390.0 kB
  • After compression 142.5 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 248.6 kB or 64% of the original size.

CSS Optimization

-80%

Potential reduce by 65.3 kB

  • Original 81.6 kB
  • After minification 72.1 kB
  • After compression 16.3 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. 51zupu.com needs all CSS files to be minified and compressed as it can save up to 65.3 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 58 (39%)

Requests Now

149

After Optimization

91

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 149 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51 Zupu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

51zupu.com

51zupu.com

13032 ms

www.51zupu.com

www.51zupu.com

7502 ms

m.js

m.js

993 ms

base.css

base.css

4363 ms

zhaozu.css

zhaozu.css

1301 ms

index201201.css

index201201.css

7663 ms

jquery.min.js

jquery.min.js

18224 ms

dajicommon.js

dajicommon.js

1738 ms

status.js

status.js

537 ms

floatcard

floatcard

3869 ms

main_bg.gif

main_bg.gif

904 ms

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4026 ms

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2715 ms

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3243 ms

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20201 ms

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3775 ms

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523 ms

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2906 ms

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729 ms

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486 ms

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385 ms

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708 ms

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396 ms

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jclm

924 ms

index_2012_ppsj_35.gif

index_2012_ppsj_35.gif

536 ms

jclm

jclm

1381 ms

adx.php

adx.php

450 ms

reduce_bd-logo1_oper.png

reduce_bd-logo1_oper.png

516 ms

closefeedback.min.js

closefeedback.min.js

454 ms

snippetcacher.php

snippetcacher.php

2181 ms

0f0007LMjpRS3L9x96ppz0.gif

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485 ms

zupu-ss10-fdj.gif

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427 ms

jclm

jclm

418 ms

reduce_promotion_oper.png

reduce_promotion_oper.png

477 ms

bd_logo.png

bd_logo.png

498 ms

bg_rb.png

bg_rb.png

514 ms

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0f000PpQkbvfz5lS-_kMjs.gif

513 ms

jclm

jclm

408 ms

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285 ms

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1194 ms

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733 ms

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544 ms

jclm

jclm

3542 ms

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265 ms

index201202b.gif

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4096 ms

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482 ms

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751 ms

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995 ms

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3296 ms

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1482 ms

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443 ms

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429 ms

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7680 ms

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jclm

408 ms

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788 ms

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jclm

1250 ms

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258 ms

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272 ms

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495 ms

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495 ms

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509 ms

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510 ms

nav_bj.gif

nav_bj.gif

544 ms

jclm

jclm

419 ms

all_20100501.js

all_20100501.js

6042 ms

as.js

as.js

1205 ms

kefuimg.js

kefuimg.js

979 ms

invite.js

invite.js

6907 ms

minimess_core.js

minimess_core.js

2210 ms

zpqly.gif

zpqly.gif

2159 ms

h.js

h.js

462 ms

ga.js

ga.js

19 ms

Comm_Ajax.aspx

Comm_Ajax.aspx

458 ms

comm_ajax.aspx

comm_ajax.aspx

4757 ms

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comm_ajax.aspx

9986 ms

hm.gif

hm.gif

225 ms

__utm.gif

__utm.gif

22 ms

style.css

style.css

581 ms

ajax-loader.gif

ajax-loader.gif

626 ms

bg.gif

bg.gif

1196 ms

icon.gif

icon.gif

509 ms

call.gif

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1216 ms

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996 ms

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1161 ms

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6504 ms

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8039 ms

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1044 ms

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o.htm

3788 ms

pumoren.jpg

pumoren.jpg

534 ms

hm.gif

hm.gif

530 ms

wh.js

wh.js

741 ms

ac.js

ac.js

550 ms

fp.htm

fp.htm

779 ms

Accessibility Review

51zupu.com accessibility score

51

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

[lang] attributes do not have a valid value

Best Practices

51zupu.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

51zupu.com SEO score

82

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

High

robots.txt is not valid

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 51zupu.com 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 51zupu.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

51zupu.com

Open Graph description is not detected on the main page of 51 Zupu. 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: