Tools & Wizards About Us
51dnz.com screenshot

Report Summary

  • 0

    Performance

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

51dnz.com

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Page Load Speed

9.1 sec in total

First Response

471 ms

Resources Loaded

8.1 sec

Page Rendered

609 ms

51dnz.com screenshot

About Website

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

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Visit 51dnz.com

Key Findings

We analyzed 51dnz.com page load time and found that the first response time was 471 ms and then it took 8.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

51dnz.com performance score

0

Network Requests Diagram

www.51dnz.com

471 ms

push.js

883 ms

tj.js

200 ms

common.js

259 ms

hm.js

1239 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 7% of them (3 requests) were addressed to the original 51dnz.com, 23% (10 requests) were made to Sx452egaejgie.xyz and 9% (4 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Ylg1.duyunfk.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 7.0 kB (13%)

Content Size

54.1 kB

After Optimization

47.1 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of 51dnz.com main page is 54.1 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. 30% of websites need less resources to load. Javascripts take 43.6 kB which makes up the majority of the site volume.

HTML Optimization

-49%

Potential reduce by 742 B

  • Original 1.5 kB
  • After minification 1.5 kB
  • After compression 787 B

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 742 B or 49% of the original size.

JavaScript Optimization

-12%

Potential reduce by 5.1 kB

  • Original 43.6 kB
  • After minification 43.6 kB
  • After compression 38.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 5.1 kB or 12% of the original size.

CSS Optimization

-13%

Potential reduce by 1.2 kB

  • Original 8.9 kB
  • After minification 8.9 kB
  • After compression 7.7 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. 51dnz.com needs all CSS files to be minified and compressed as it can save up to 1.2 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (21%)

Requests Now

39

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51 Dnz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.51dnz.com

www.51dnz.com

471 ms

push.js

push.js

883 ms

tj.js

tj.js

200 ms

common.js

common.js

259 ms

hm.js

hm.js

1239 ms

www.sx439egaejgie.xyz

www.sx439egaejgie.xyz

903 ms

www.sx452egaejgie.xyz

www.sx452egaejgie.xyz

1468 ms

hm.gif

hm.gif

278 ms

style.css

style.css

422 ms

jquery.js

jquery.js

846 ms

lazyload.js

lazyload.js

635 ms

logo.html

logo.html

219 ms

ed9f853ee68a16863b211cc4e42991da.gif

ed9f853ee68a16863b211cc4e42991da.gif

1468 ms

960x120.gif

960x120.gif

2210 ms

960-60.gif

960-60.gif

1581 ms

ddb8acdefded18f5c0cca6c3b1095e2c.gif

ddb8acdefded18f5c0cca6c3b1095e2c.gif

1573 ms

mgzb960x60.gif

mgzb960x60.gif

653 ms

6737219160011.gif

6737219160011.gif

651 ms

1500-120-2.gif

1500-120-2.gif

2432 ms

c5f2e87751d1c46d4ae63527a0fefc79.gif

c5f2e87751d1c46d4ae63527a0fefc79.gif

1714 ms

mf50.gif

mf50.gif

83 ms

300-200.gif

300-200.gif

1273 ms

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20d60ff12bf8f0ae372c701a47bc51af.gif

1851 ms

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91c657ce75fbacb33578506f52e36e6f.gif

1830 ms

b84adb28cdaa7647308a4a6e1a1db3b0.gif

b84adb28cdaa7647308a4a6e1a1db3b0.gif

1249 ms

mgzb300x200.gif

mgzb300x200.gif

595 ms

mgzb150x150.gif

mgzb150x150.gif

670 ms

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8226fbddea1cfa386f2f576ab767a8b5.gif

1783 ms

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37f80e45c1f5127bd46f0e7a48cd1424.gif

1311 ms

57fb8bdfd30b4be742c671436a947daf.gif

57fb8bdfd30b4be742c671436a947daf.gif

1302 ms

loading.svg

loading.svg

212 ms

107f3bebdf35e2795dbadf8c5f5d6a41.gif

107f3bebdf35e2795dbadf8c5f5d6a41.gif

1196 ms

6fff83b64f59a954e828d2a57bce06d9.gif

6fff83b64f59a954e828d2a57bce06d9.gif

1216 ms

750x120.gif

750x120.gif

2083 ms

300x200.gif

300x200.gif

1525 ms

voltaire.woff

voltaire.woff

219 ms

clipboard.min.js

clipboard.min.js

213 ms

script.js

script.js

213 ms

hm.js

hm.js

331 ms

iconfont.woff

iconfont.woff

217 ms

hm.gif

hm.gif

1361 ms

7e3b1a7ce60d520b11b20bd366c12dfe.gif

7e3b1a7ce60d520b11b20bd366c12dfe.gif

2570 ms

cd4e5967982e8bc55bcd9d8a40784b1e.gif

cd4e5967982e8bc55bcd9d8a40784b1e.gif

2345 ms

Accessibility Review

51dnz.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

51dnz.com best practices score

75

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

Browser errors were logged to the console

SEO Factors

51dnz.com SEO score

92

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

    GB2312

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

51dnz.com

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