Tools & Wizards About Us
cardesales.com screenshot

Report Summary

  • 76

    Performance

    Renders faster than
    84% of other websites

  • 40

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

cardesales.com

www.cardesales.com-官网首页

Page Load Speed

38.6 sec in total

First Response

2.8 sec

Resources Loaded

35.6 sec

Page Rendered

185 ms

cardesales.com screenshot

About Website

Welcome to cardesales.com homepage info - get ready to check Cardesales best content right away, or after learning these important things about cardesales.com

cardesales.com

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Key Findings

We analyzed Cardesales.com page load time and found that the first response time was 2.8 sec and then it took 35.7 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.

Performance Metrics

cardesales.com performance score

76

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

93/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

52/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.2 s

41/100

10%

Network Requests Diagram

cardesales.com

2819 ms

style.css

9023 ms

sidebar.css

4357 ms

jquery.min.js

16733 ms

jquery.fixed.1.3.js

4655 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 95% of them (39 requests) were addressed to the original Cardesales.com, 5% (2 requests) were made to Pub.idqqimg.com. The less responsive or slowest element that took the longest time to load (16.7 sec) belongs to the original domain Cardesales.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 94.1 kB (63%)

Content Size

150.3 kB

After Optimization

56.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cardesales.com main page is 150.3 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. Only 5% of websites need less resources to load. Javascripts take 94.8 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 7.0 kB

  • Original 10.6 kB
  • After minification 10.2 kB
  • After compression 3.6 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 7.0 kB or 66% of the original size.

Image Optimization

-42%

Potential reduce by 11.1 kB

  • Original 26.8 kB
  • After minification 15.7 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, Cardesales needs image optimization as it can save up to 11.1 kB or 42% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 61.0 kB

  • Original 94.8 kB
  • After minification 94.8 kB
  • After compression 33.8 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 61.0 kB or 64% of the original size.

CSS Optimization

-83%

Potential reduce by 14.9 kB

  • Original 18.0 kB
  • After minification 14.5 kB
  • After compression 3.1 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. Cardesales.com needs all CSS files to be minified and compressed as it can save up to 14.9 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (40%)

Requests Now

40

After Optimization

24

  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cardesales. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

cardesales.com

cardesales.com

2819 ms

style.css

style.css

9023 ms

sidebar.css

sidebar.css

4357 ms

jquery.min.js

jquery.min.js

16733 ms

jquery.fixed.1.3.js

jquery.fixed.1.3.js

4655 ms

custom.js

custom.js

938 ms

top_bg.gif

top_bg.gif

394 ms

top_r.gif

top_r.gif

4036 ms

logo.gif

logo.gif

6437 ms

nav_bg.jpg

nav_bg.jpg

385 ms

icon_home.gif

icon_home.gif

1174 ms

icon_aboutus.gif

icon_aboutus.gif

1579 ms

icon_news.gif

icon_news.gif

2006 ms

icon_cgal.gif

icon_cgal.gif

793 ms

icon_download.gif

icon_download.gif

4215 ms

icon_service.gif

icon_service.gif

1961 ms

icon_contact.gif

icon_contact.gif

3979 ms

bar_ggsj.gif

bar_ggsj.gif

4592 ms

newsite.gif

newsite.gif

3586 ms

wljc.gif

wljc.gif

4390 ms

gh.gif

gh.gif

4751 ms

RFID.png

RFID.png

6802 ms

ad.jpg

ad.jpg

4527 ms

homemain.gif

homemain.gif

4768 ms

swpt.gif

swpt.gif

8133 ms

point.gif

point.gif

5736 ms

qdfwpt.gif

qdfwpt.gif

9572 ms

zzrj.gif

zzrj.gif

5999 ms

x.gif

x.gif

6221 ms

point2.gif

point2.gif

6449 ms

bottom_bg.gif

bottom_bg.gif

6702 ms

sidebar_bg.gif

sidebar_bg.gif

14188 ms

gray_line.gif

gray_line.gif

6968 ms

button_old_161.gif

button_old_161.gif

470 ms

button_old_161.gif

button_old_161.gif

273 ms

icon_home1.gif

icon_home1.gif

1134 ms

icon_aboutus1.gif

icon_aboutus1.gif

456 ms

icon_news1.gif

icon_news1.gif

371 ms

icon_cgal1.gif

icon_cgal1.gif

415 ms

icon_download1.gif

icon_download1.gif

417 ms

icon_contact1.gif

icon_contact1.gif

1131 ms

Accessibility Review

cardesales.com accessibility score

40

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

High

<object> elements do not have alternate text

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

cardesales.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

cardesales.com SEO score

77

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

High

robots.txt is not valid

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

    ZH

  • Encoding

    GB2312

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

cardesales.com

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