Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

cn.unionpay.com

China UnionPay | 中国银联

Page Load Speed

21.2 sec in total

First Response

2.9 sec

Resources Loaded

18.1 sec

Page Rendered

193 ms

cn.unionpay.com screenshot

About Website

Visit cn.unionpay.com now to see the best up-to-date Cn Union Pay content for China and also check out these interesting facts you probably never knew about cn.unionpay.com

中国银联将发挥银行卡清算机构优势,升级开放合作能力,联合境内外的商业银行、商户和产业各方,共同为持卡人和移动支付用户等提供优质高效的支付服务。

Visit cn.unionpay.com

Key Findings

We analyzed Cn.unionpay.com page load time and found that the first response time was 2.9 sec and then it took 18.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

cn.unionpay.com performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value13.2 s

2/100

10%

TBT (Total Blocking Time)

Value90 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.744

6/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

Network Requests Diagram

cn.unionpay.com

2903 ms

main.css

642 ms

jquery-1.7.1.min.js

2106 ms

Slide.js

1154 ms

MSClass.js

1320 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 93% of them (27 requests) were addressed to the original Cn.unionpay.com, 7% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (13.2 sec) belongs to the original domain Cn.unionpay.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 90.6 kB (27%)

Content Size

341.9 kB

After Optimization

251.3 kB

In fact, the total size of Cn.unionpay.com main page is 341.9 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. 20% of websites need less resources to load. Images take 306.5 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 16.7 kB

  • Original 21.0 kB
  • After minification 18.7 kB
  • After compression 4.4 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 2.3 kB, which is 11% 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 16.7 kB or 79% of the original size.

Image Optimization

-20%

Potential reduce by 62.4 kB

  • Original 306.5 kB
  • After minification 244.1 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, Cn Union Pay needs image optimization as it can save up to 62.4 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-81%

Potential reduce by 11.6 kB

  • Original 14.4 kB
  • After minification 12.8 kB
  • After compression 2.8 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. Cn.unionpay.com needs all CSS files to be minified and compressed as it can save up to 11.6 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (14%)

Requests Now

28

After Optimization

24

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cn Union Pay. 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 as a result speed up the page load time.

Accessibility Review

cn.unionpay.com accessibility score

52

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

cn.unionpay.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cn.unionpay.com SEO score

82

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cn.unionpay.com 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 Cn.unionpay.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 Cn Union Pay. 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: