Tools & Wizards About Us
rdt.cn screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    80% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

rdt.cn

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Page Load Speed

23.4 sec in total

First Response

842 ms

Resources Loaded

21.7 sec

Page Rendered

846 ms

rdt.cn screenshot

About Website

Click here to check amazing Rdt content. Otherwise, check out these important facts you probably never knew about rdt.cn

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Key Findings

We analyzed Rdt.cn page load time and found that the first response time was 842 ms and then it took 22.6 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

rdt.cn performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

21/100

25%

SI (Speed Index)

Value7.5 s

26/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.0 s

96/100

10%

Network Requests Diagram

rdt.cn

842 ms

www.daminong.com

987 ms

style.css

176 ms

jquery.js

386 ms

16400888.js

1145 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Rdt.cn, 89% (25 requests) were made to Daminong.com and 4% (1 request) were made to Js.users.51.la. The less responsive or slowest element that took the longest time to load (19.7 sec) relates to the external source Uu38.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 199.1 kB (50%)

Content Size

398.9 kB

After Optimization

199.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rdt.cn main page is 398.9 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. 15% of websites need less resources to load. Images take 243.0 kB which makes up the majority of the site volume.

HTML Optimization

-37%

Potential reduce by 184 B

  • Original 502 B
  • After minification 500 B
  • After compression 318 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 184 B or 37% of the original size.

Image Optimization

-39%

Potential reduce by 95.8 kB

  • Original 243.0 kB
  • After minification 147.2 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. Obviously, Rdt needs image optimization as it can save up to 95.8 kB or 39% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 96.5 kB

  • Original 146.4 kB
  • After minification 146.4 kB
  • After compression 49.9 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 96.5 kB or 66% of the original size.

CSS Optimization

-72%

Potential reduce by 6.5 kB

  • Original 9.0 kB
  • After minification 7.9 kB
  • After compression 2.5 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. Rdt.cn needs all CSS files to be minified and compressed as it can save up to 6.5 kB or 72% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

26

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rdt. According to our analytics all requests are already optimized.

Network Requests Diagram

rdt.cn

rdt.cn

842 ms

www.daminong.com

www.daminong.com

987 ms

style.css

style.css

176 ms

jquery.js

jquery.js

386 ms

16400888.js

16400888.js

1145 ms

kefu.css

kefu.css

99 ms

jquery-1.4.js

jquery-1.4.js

841 ms

banner.gif

banner.gif

19666 ms

logo.png

logo.png

219 ms

searchbox.png

searchbox.png

217 ms

searchbtn.png

searchbtn.png

333 ms

contact.png

contact.png

721 ms

2015051405411064004.jpg

2015051405411064004.jpg

336 ms

201408120655574827.gif

201408120655574827.gif

341 ms

2015051405172815800.jpg

2015051405172815800.jpg

343 ms

201408120526105052.gif

201408120526105052.gif

451 ms

201408120636401173.jpg

201408120636401173.jpg

441 ms

201408120524221822.jpg

201408120524221822.jpg

461 ms

20140813010527616.jpg

20140813010527616.jpg

465 ms

201408120527565569.jpg

201408120527565569.jpg

861 ms

2015051405440014513.jpg

2015051405440014513.jpg

596 ms

2015051405024446687.jpg

2015051405024446687.jpg

607 ms

2015051405375224691.jpg

2015051405375224691.jpg

608 ms

2016040704041658621.jpg

2016040704041658621.jpg

1421 ms

2015070411415772193.jpg

2015070411415772193.jpg

723 ms

qq.gif

qq.gif

764 ms

201302241405135112.jpg

201302241405135112.jpg

773 ms

go_top.png

go_top.png

138 ms

Accessibility Review

rdt.cn accessibility score

54

Accessibility Issues

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

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

Links do not have a discernible name

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

rdt.cn best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

rdt.cn SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

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 Rdt.cn 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 Rdt.cn 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

rdt.cn

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