Tools & Wizards About Us
bdta.cn screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

bdta.cn

BDTA.CN 正在出售或转让

Page Load Speed

903 ms in total

First Response

280 ms

Resources Loaded

525 ms

Page Rendered

98 ms

bdta.cn screenshot

About Website

Visit bdta.cn now to see the best up-to-date BDTA content and also check out these interesting facts you probably never knew about bdta.cn

您访问的域名BDTA.CN正在出售或转让，访问17EX.com立即购买。

Visit bdta.cn

Key Findings

We analyzed Bdta.cn page load time and found that the first response time was 280 ms and then it took 623 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

bdta.cn performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

84/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value4.5 s

72/100

10%

TBT (Total Blocking Time)

Value510 ms

57/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value7.1 s

52/100

10%

Network Requests Diagram

bdta.cn

280 ms

main.css

31 ms

jquery.min.js

48 ms

jquery.poptrox.min.js

20 ms

browser.min.js

19 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 7% of them (2 requests) were addressed to the original Bdta.cn, 83% (25 requests) were made to S56.diydns.com and 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (280 ms) belongs to the original domain Bdta.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 81.1 kB (15%)

Content Size

530.6 kB

After Optimization

449.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bdta.cn main page is 530.6 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. 35% of websites need less resources to load. Images take 449.9 kB which makes up the majority of the site volume.

HTML Optimization

-62%

Potential reduce by 7.1 kB

  • Original 11.5 kB
  • After minification 10.3 kB
  • After compression 4.3 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. 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 7.1 kB or 62% of the original size.

Image Optimization

-14%

Potential reduce by 62.7 kB

  • Original 449.9 kB
  • After minification 387.2 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, BDTA needs image optimization as it can save up to 62.7 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-15%

Potential reduce by 6.9 kB

  • Original 46.9 kB
  • After minification 46.9 kB
  • After compression 40.0 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 6.9 kB or 15% of the original size.

CSS Optimization

-19%

Potential reduce by 4.3 kB

  • Original 22.3 kB
  • After minification 22.3 kB
  • After compression 18.0 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. Bdta.cn needs all CSS files to be minified and compressed as it can save up to 4.3 kB or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (23%)

Requests Now

26

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BDTA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

bdta.cn

bdta.cn

280 ms

main.css

main.css

31 ms

jquery.min.js

jquery.min.js

48 ms

jquery.poptrox.min.js

jquery.poptrox.min.js

20 ms

browser.min.js

browser.min.js

19 ms

breakpoints.min.js

breakpoints.min.js

19 ms

util.js

util.js

20 ms

main.js

main.js

25 ms

fontawesome-all.min.css

fontawesome-all.min.css

15 ms

css

css

41 ms

spinner.svg

spinner.svg

94 ms

email.jpg

email.jpg

92 ms

Counting%20Stars.mp3

Counting%20Stars.mp3

84 ms

ch-plugin-web.js

ch-plugin-web.js

25 ms

s5.png

s5.png

7 ms

s6.png

s6.png

8 ms

s7.png

s7.png

8 ms

s8.png

s8.png

13 ms

s1.png

s1.png

13 ms

s2.png

s2.png

13 ms

s3.png

s3.png

21 ms

s4.png

s4.png

14 ms

004.jpg

004.jpg

27 ms

010.jpg

010.jpg

34 ms

011.jpg

011.jpg

33 ms

012.jpg

012.jpg

28 ms

close.svg

close.svg

27 ms

font

font

22 ms

fa-solid-900.woff

fa-solid-900.woff

40 ms

fa-regular-400.woff

fa-regular-400.woff

33 ms

Accessibility Review

bdta.cn accessibility score

85

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.

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

bdta.cn best practices score

75

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

High

Browser errors were logged to the console

SEO Factors

bdta.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

Links are not crawlable

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 doesn't use legible font sizes

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 Bdta.cn 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 Bdta.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

bdta.cn

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