Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

crd.cn

CRD钻戒官网-为真爱,选对钻

Page Load Speed

71.1 sec in total

First Response

3.2 sec

Resources Loaded

65.4 sec

Page Rendered

2.4 sec

crd.cn screenshot

About Website

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

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Visit crd.cn

Key Findings

We analyzed Crd.cn page load time and found that the first response time was 3.2 sec and then it took 67.8 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 were 28 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

crd.cn performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value21.4 s

0/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.869

4/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

Network Requests Diagram

crd.cn

3249 ms

www.crd.cn

13920 ms

msgbox.css

1135 ms

base.css

5624 ms

index1126.css

12141 ms

Our browser made a total of 147 requests to load all elements on the main page. We found that 79% of them (116 requests) were addressed to the original Crd.cn, 3% (5 requests) were made to Zoosnet.crd999.com and 3% (4 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Crd.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 363.7 kB (55%)

Content Size

658.5 kB

After Optimization

294.8 kB

In fact, the total size of Crd.cn main page is 658.5 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. 25% of websites need less resources to load. Javascripts take 288.4 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 122.6 kB

  • Original 155.4 kB
  • After minification 129.2 kB
  • After compression 32.8 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 26.2 kB, which is 17% 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 122.6 kB or 79% of the original size.

Image Optimization

-15%

Potential reduce by 25.3 kB

  • Original 164.6 kB
  • After minification 139.3 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. Obviously, Crd needs image optimization as it can save up to 25.3 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 176.7 kB

  • Original 288.4 kB
  • After minification 277.3 kB
  • After compression 111.7 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 176.7 kB or 61% of the original size.

CSS Optimization

-78%

Potential reduce by 39.1 kB

  • Original 50.1 kB
  • After minification 42.9 kB
  • After compression 11.0 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. Crd.cn needs all CSS files to be minified and compressed as it can save up to 39.1 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (38%)

Requests Now

114

After Optimization

71

The browser has sent 114 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Crd. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

crd.cn accessibility score

70

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

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

crd.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

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

crd.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

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

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

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