Tools & Wizards About Us

Report Summary

  • 69

    Performance

    Renders faster than
    80% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

idangdang.com

【iDangDang.com】域名出售中。i当当、爱当当、当当、iDangDang,I当当,爱当当,当当-网怪de域名®

Page Load Speed

6.8 sec in total

First Response

1.1 sec

Resources Loaded

4.9 sec

Page Rendered

818 ms

About Website

Click here to check amazing IDangDang content. Otherwise, check out these important facts you probably never knew about idangdang.com

【iDangDang.com】域名出售中。业界最低的价格。3分钟搞定过户和交易，立即拥有并使用！联络：微信WangGuaicom、QQ9357535、钉钉WangGuai、官网www.WangGuai.com 。Domain name iDangDang.com for sale.i当当、爱当当、当当。网怪®-专业域名增值服务商！

Visit idangdang.com

Key Findings

We analyzed Idangdang.com page load time and found that the first response time was 1.1 sec and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

idangdang.com performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

38/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value4.8 s

79/100

10%

Network Requests Diagram

idangdang.com

1084 ms

font_933531_kpttezp401e.css

21 ms

share.min.css

426 ms

style.css

639 ms

dark-mode.css

434 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 92% of them (45 requests) were addressed to the original Idangdang.com, 4% (2 requests) were made to At.alicdn.com and 4% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Idangdang.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 165.2 kB (3%)

Content Size

5.8 MB

After Optimization

5.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Idangdang.com main page is 5.8 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. 70% of websites need less resources to load. Images take 5.6 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 90.4 kB

  • Original 105.9 kB
  • After minification 88.5 kB
  • After compression 15.5 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 17.4 kB, which is 16% 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 90.4 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 63.0 kB

  • Original 5.6 MB
  • After minification 5.6 MB

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. IDangDang images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 6.9 kB

  • Original 60.3 kB
  • After minification 60.3 kB
  • After compression 53.4 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 11% of the original size.

CSS Optimization

-25%

Potential reduce by 4.9 kB

  • Original 19.8 kB
  • After minification 19.8 kB
  • After compression 14.9 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. Idangdang.com needs all CSS files to be minified and compressed as it can save up to 4.9 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (15%)

Requests Now

46

After Optimization

39

  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IDangDang. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

idangdang.com accessibility score

54

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.

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

Image elements do not have [alt] attributes

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.

Best Practices

idangdang.com 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

idangdang.com SEO score

83

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Idangdang.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Idangdang.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

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