Tools & Wizards About Us
51zhonge.com screenshot

Report Summary

  • 0

    Performance

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

51zhonge.com

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Page Load Speed

33.2 sec in total

First Response

1.1 sec

Resources Loaded

31.6 sec

Page Rendered

504 ms

51zhonge.com screenshot

About Website

Welcome to 51zhonge.com homepage info - get ready to check 51 Zhonge best content right away, or after learning these important things about 51zhonge.com

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Visit 51zhonge.com

Key Findings

We analyzed 51zhonge.com page load time and found that the first response time was 1.1 sec and then it took 32.1 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 was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

51zhonge.com performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value0

0/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value0

0/100

10%

Network Requests Diagram

51zhonge.com

1085 ms

style.css

496 ms

common.js

481 ms

index.js

493 ms

qq.css

478 ms

Our browser made a total of 109 requests to load all elements on the main page. We found that 63% of them (69 requests) were addressed to the original 51zhonge.com, 11% (12 requests) were made to Www6.53kf.com and 7% (8 requests) were made to Skin.54kefu.net. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source Bdimg.share.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 153.5 kB (19%)

Content Size

827.5 kB

After Optimization

674.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 51zhonge.com main page is 827.5 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. 40% of websites need less resources to load. Images take 643.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 54.8 kB

  • Original 67.4 kB
  • After minification 60.2 kB
  • After compression 12.6 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 7.2 kB, which is 11% 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 54.8 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 34.9 kB

  • Original 643.2 kB
  • After minification 608.3 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. 51 Zhonge images are well optimized though.

JavaScript Optimization

-43%

Potential reduce by 35.5 kB

  • Original 82.6 kB
  • After minification 82.5 kB
  • After compression 47.1 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 35.5 kB or 43% of the original size.

CSS Optimization

-82%

Potential reduce by 28.3 kB

  • Original 34.4 kB
  • After minification 26.5 kB
  • After compression 6.1 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. 51zhonge.com needs all CSS files to be minified and compressed as it can save up to 28.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (33%)

Requests Now

103

After Optimization

69

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 103 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51 Zhonge. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

51zhonge.com

51zhonge.com

1085 ms

style.css

style.css

496 ms

common.js

common.js

481 ms

index.js

index.js

493 ms

qq.css

qq.css

478 ms

ServiceQQ.js

ServiceQQ.js

479 ms

transport.js

transport.js

493 ms

utils.js

utils.js

726 ms

kf.php

kf.php

912 ms

260504.js

260504.js

2035 ms

stat.php

stat.php

1233 ms

logo.png

logo.png

505 ms

ul_bg_l.gif

ul_bg_l.gif

246 ms

ul_bg_r.gif

ul_bg_r.gif

244 ms

dot.gif

dot.gif

242 ms

meun_line.gif

meun_line.gif

245 ms

cat_r.gif

cat_r.gif

458 ms

a1.jpg

a1.jpg

1662 ms

a2.jpg

a2.jpg

1173 ms

a3.jpg

a3.jpg

1896 ms

a4.jpg

a4.jpg

1431 ms

a5.jpg

a5.jpg

1422 ms

tit_gonggao.gif

tit_gonggao.gif

747 ms

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994 ms

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1242 ms

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1412 ms

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1509 ms

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1652 ms

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1659 ms

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1664 ms

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1753 ms

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1892 ms

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2195 ms

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2174 ms

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1901 ms

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1999 ms

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2452 ms

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2150 ms

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2153 ms

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2259 ms

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2384 ms

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2396 ms

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2677 ms

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2435 ms

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2506 ms

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2668 ms

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2444 ms

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2476 ms

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2484 ms

404_thumb_G_1446191935909.jpg

404_thumb_G_1446191935909.jpg

2524 ms

433_thumb_G_1459666130688.jpg

433_thumb_G_1459666130688.jpg

2669 ms

sendacc.jsp

sendacc.jsp

915 ms

kf_new.php

kf_new.php

1648 ms

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413_thumb_G_1450922130805.jpg

2471 ms

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2426 ms

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2223 ms

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1977 ms

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1843 ms

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1978 ms

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1810 ms

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1802 ms

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1817 ms

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1735 ms

shell_v2.js

shell_v2.js

3742 ms

getonline

getonline

15509 ms

260504_code.js

260504_code.js

1014 ms

url.js

url.js

1142 ms

403_thumb_G_1446191398598.jpg

403_thumb_G_1446191398598.jpg

1658 ms

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394_thumb_G_1445158891463.jpg

1821 ms

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342_thumb_G_1428114426641.jpg

1821 ms

shuomin.gif

shuomin.gif

1813 ms

meun_bg.gif

meun_bg.gif

1732 ms

cat_l.gif

cat_l.gif

1594 ms

bg_2.gif

bg_2.gif

1665 ms

biao1.gif

biao1.gif

1809 ms

bnt_search.gif

bnt_search.gif

1713 ms

kf_ivt_new.php

kf_ivt_new.php

1221 ms

commonbg_17.png

commonbg_17.png

754 ms

clickbtn_31.png

clickbtn_31.png

765 ms

icon_off_78371457744165.jpg

icon_off_78371457744165.jpg

2861 ms

icon_off_100406591457747627.JPG

icon_off_100406591457747627.JPG

4383 ms

biao5.gif

biao5.gif

1563 ms

footer_bg.gif

footer_bg.gif

1567 ms

commonbg_21.png

commonbg_21.png

394 ms

closebtn_10.png

closebtn_10.png

390 ms

otherimg_11.png

otherimg_11.png

2094 ms

clickbtn_29.png

clickbtn_29.png

784 ms

closebtn_17.png

closebtn_17.png

797 ms

jquery-1.4.2.flp.js

jquery-1.4.2.flp.js

1900 ms

bds_s_v2.js

bds_s_v2.js

19891 ms

skin.css

skin.css

1302 ms

top.gif

top.gif

2813 ms

70.gif

70.gif

1396 ms

52_f.gif

52_f.gif

1455 ms

1.gif

1.gif

1810 ms

bottom.gif

bottom.gif

1946 ms

stat.htm

stat.htm

545 ms

core.php

core.php

730 ms

middle.gif

middle.gif

710 ms

l.gif

l.gif

2892 ms

9.gif

9.gif

10052 ms

z_stat.php

z_stat.php

1158 ms

stat.htm

stat.htm

170 ms

core.php

core.php

596 ms

pic.gif

pic.gif

1877 ms

logger.js

logger.js

2228 ms

9.gif

9.gif

1970 ms

app.gif

app.gif

844 ms

app.gif

app.gif

853 ms

Accessibility Review

51zhonge.com accessibility score

45

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

<frame> or <iframe> elements do not have a title

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

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

51zhonge.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

General

Impact

Issue

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

51zhonge.com SEO score

100

Search Engine Optimization Advices

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

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 51zhonge.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that 51zhonge.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

51zhonge.com

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